Brother International HL-1440 Service Manual
Brother International HL-1440 Manual
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- Brother International HL-1440 | Service Manual - Page 1
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6#$.'1(%106'065 1XGTXKGYQH2TKPVKPI/GEJCPKUO 2CRGT6TCPUHGT 2CRGTUWRRN 2CRGTTGIKUVTCVKQP 2CRGTGLGEV 5GPUQTU QXGTUGPUQTU#CPF 6QPGTUGPUQT TWO7PKV 2JQVQUGPUKVKXGFTWO 2TKOCT[EJCTIGT 6TCPUHGTTQNNGT NGCPGT 6QPGT%CTVTKFIG 2TKPV2TQEGUU JCTIKPI ZRQUWTGUVCIG - Brother International HL-1440 | Service Manual - Page 7
6#$.'1(%106'065 1WVGT%JWVG 2#%-+0 X - Brother International HL-1440 | Service Manual - Page 8
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6#$.'1(%106'065 9KPFQYU/G QTNCVGT2GGTVQ2GGT *2,GV#FOKP%QORCVKDNG/GVJQF6TQWDNGUJQQVKPI 9KPFQYU/G062GGTVQ2GGT2TKPV 0GV$+156TQWDNGUJQQVKPI PVGTPGV2TKPV 6%2+26TQWDNGUJQQVKPI 0QXGNN0GVYCTG6TQWDNGUJQQVKPI RRNG6CNM6TQWDNGUJQQVKPI RRNG - Brother International HL-1440 | Service Manual - Page 10
4')7.#6+10 4')7.#6+10 .#5'45#('6; 8/1&'.10.; 6JKURTKPVGTKUEGTVKHKGFCUC%NCUU+NCUGTRTQFWEVWPFGTVJG75&GRCTVOGPVQH*GCNVJCPF *WOCP5GTXKEGU &**54CFKCVKQP2GTHQTOCPEG5VCPFCTFCEEQTFKPIVQVJG4CFKCVKQP %QPVTQNHQT*GCNVJCPF5CHGV[#EVQH6JKUOGCPUVJCVVJG - Brother International HL-1440 | Service Manual - Page 11
KUC%NCUU+NCUGTRTQFWEVCUFGHKPGFKP+'%URGEKHKECVKQPU6JGNCDGN UJQYPDGNQYKUCVVCEJGFKPEQWPVTKGUYJGTGTGSWKTGF CLASS 1 LASER PRODUCT APPAREIL LASER DE CLASSE 1 LASER KLASSE 1 PRODUKT 6JKURTKPVGTJCUCNCUGTFKQFGYJKEJGOKVUKPXKUKDNGNCUGTTCFKCVKQPKPVJG.CUGT7PKV6JG .CUGT - Brother International HL-1440 | Service Manual - Page 12
VORSICHT UNSICHTBARE LASERSTRAHLUNG WENN ABDECKUNG GEÖFFENT UND SICHERHEITSVERRIEGELUNG ÜBERBRÜCKT. NICHT DEM STRAHL AUSSETZEN. SICHERHEITSKLASSE 3B. ATENCIÓN RADIACIÓN LASER INVISIBLE CUANDO SE ABRE LA TAPA Y EL INTERRUPTOR INTERNO ESTÁ ATASCADO. EVITE LA EXPOSICIÓN DIRECTA DE LOS OJOS. PRODUCTO - Brother International HL-1440 | Service Manual - Page 13
5#('6;+0(14/#6+10 &'(+0+6+1051(9#40+0)5%#76+105#0&016'5 6JGHQNNQYKPIEQPXGPVKQPUCTGWUGFKPVJKUUGTXKEGOCPWCN 9#40+0) +PFKECVGUYCTPKPIUVJCVOWUVDGQDUGTXGFVQRTGXGPVRQUUKDNGRGTUQPCNKPLWT[ ! %#76+10 +PFKECVGUECWVKQPUVJCVOWUVDGQDUGTXGFVQUGTXKEGVJGRTKPVGTRTQRGTN[QT - Brother International HL-1440 | Service Manual - Page 14
and User-Friendly Operation for Windows The dedicated printer driver for Microsoft Windows 95/98/Me, and Windows NT 4.0/2000 are available on the CD-ROM supplied with your printer. You can easily install them into your Windows system using our installer program. The driver supports our - Brother International HL-1440 | Service Manual - Page 15
printers support the following printer emulation modes; The HL-1440 supports HP LaserJet IIP.The HL-1450/1470N supports HP LaserJet 6P (PCL6), PostScript Level2 language emulation (Brother BR-Script Level 2), Epson FX-850 and IBM Proprinter XL. . When you use DOS application software or Windows - Brother International HL-1440 | Service Manual - Page 16
(for HL-1470N only) The Brother printer has built in multi protocol network capability as standard. This allows multiple host computers to share the printer on a 10/100Mbit Ethernet network. Any users can print their jobs as if the printer was directly connected to their computer. Users on Windows - Brother International HL-1440 | Service Manual - Page 17
2. OVERVIEW Output tray Tray extension flap Control panel Manual feed paper guides Manual feed slot Paper cassette Fig. 1-1 HL-1230/1440 Front cover Paper indicator Rear cover USB interface connector (for HL-1440 only) Parallel interface connector AC power inlet - Brother International HL-1440 | Service Manual - Page 18
3.1 Printing Print method Laser Resolution Electrophotography by semiconductor laser beam scanning Wave length: 780 nm Output: 5mW max HL-1230: 600 x 600 dots/inch,300 x 300 dots/inch ( for Windows ) HL-1440: 1200(H) x 600(V) dots/inch (for Windows DIB graphics and Machintosh - Brother International HL-1440 | Service Manual - Page 19
CHAPTER 1 GENERAL Life expectancy: 20,000 pages/drum unit *NOTE: Print speed varies depending on the paper size or media type. For details, refer to APPENDIX 3 'PRINT SPEEDS WITH VARIOUS SETTINGS'. 1-6 - Brother International HL-1440 | Service Manual - Page 20
2000 driver, supporting Brother Native Compression mode • Windows 95/98/Me driver, supporting bi-directional capacity PPD file driver for Windows 95/98/Me and Windows NT 4.0/2000 driver (for HL-1450/1470N ) • iMac, Power Macintosh G3 with USB printer driver (for HL- 1440/1450 - Brother International HL-1440 | Service Manual - Page 21
or less 5 W or less (HL-1230) 6 W or less (HL-1440/1450) 12 W or less (HL-1470N) Noise Printing: 50 dB HL-1450/1470N only) (14.2 x 16.9 x 13.6 inches) Weight Approx. 9.2 kg (20.3 lb.) including the drum unit. Approx. 12.7 kg (27.9 lb.) including the drum Brother offices only. • The power consumption - Brother International HL-1440 | Service Manual - Page 22
flash ROM. Use BRAdmin Professional when upgrading print server software or BOOTP, TFTP PUT/GET or IPX for Netware. • BRAdmin Professional management utility (for Windows 95/98/Me/NT 4.0/2000) • Port driver for Windows 95/98/Me/NT 4.0/2000 LPR port driver (for Windows 95/98/Me only) NetBIOS port - Brother International HL-1440 | Service Manual - Page 23
cassette (HL-1450/1470N 4% to 6% by weight Cut sheet Basis laser label or equivalent • Transparency: 3M CG3300 or equivalent ! CAUTION: When you are choosing print media, be sure to follow the information given below to prevent any paper jams, print quality problems or printer - Brother International HL-1440 | Service Manual - Page 24
or highly textured paper. • It is recommended to use labels or transparencies which are designed for use in laser printers. • Avoid feeding labels with the carrier sheet exposed, or the printer will be damaged. • Before loading paper with holes such as organizer sheets, be sure to fan the stack - Brother International HL-1440 | Service Manual - Page 25
60 to 105 g/m2 161 g/m2 Labels Envelopes Organizers Cassette ! (250 sheet) Manual feed (1 sheet) ! ! ! ! ! 3.5.3 Print delivery (1) Output tray stacking printing, lift up the rear cover at the rear of the printer. • Face-down: Face-up: Delivery with the printed face of the paper downwards - Brother International HL-1440 | Service Manual - Page 26
printing area means the area within which the printing of all the data received without any omissions can be guaranteed. (1) Supported by the engine 208mm (2) Supported by the emulation 4.23mm 25 25 2,400 (80 characters) 4.23mm 3.6.2 Print guaranteed area F E NOTE: • The units in the above - Brother International HL-1440 | Service Manual - Page 27
JIS. • A4 paper must accommodate 80 characters printed in pica pitch (203.2 mm). • The dot size is based on 300 dpi resolution. • Organizer is not supported by any printer emulations (commands). 1-14 - Brother International HL-1440 | Service Manual - Page 28
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12'4#6+10 702#%-+0) 9JGPWPRCEMKPIVJGRTKPVGTEJGEMVQUGGVJCVCNNQHVJGHQNNQYKPIEQORQPGPVUCTGKPENWFGFKP VJGECTVQP Printer Paper cassettle Drum unit (with Toner cartridge included) Documents CD-ROM AC cord (KI 016' %QORQPGPVUOC[XCT[FGRGPFKPIQPVJGEQWPVT[ - Brother International HL-1440 | Service Manual - Page 30
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%*#26'4+056#..#6+10#0&$#5+%12'4#6+10 (QT2CTCNNGNKPVGTHCEGECDNGWUGTU HQT9KPFQYUs7UGTU (QNNQYVJGUVGRUDGNQYQPN[CHVGTEQORNGVKPIUVGRUVJTQWIJVQCDQXG %QPPGEVVJGRTKPVGTVQ[QWT2%+PUVCNNVJGRTKPVGTFTKXGT %NKEMŒ%QPPGEVVJGKPVGTHCEG - Brother International HL-1440 | Service Manual - Page 33
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%*#26'4+056#..#6+10#0&$#5+%12'4#6+10 QTVJGCFOKPKUVTCVQT +PUVCNNVJG$4#FOKP2TQHGUUKQPCN%QPHKIWTCVKQPWVKNKV[ 6JG$4#FOKP2TQHGUUKQPNCNUQHVYCTGRTQXKFGUUQRJKUVKECVGFPGVYQTMCPFRTKPVGTOCPCIGOGPV ECRCDKNKVKGUHQT$TQVJGTCPFPQP$TQVJGTRTQFWEVU$[KFGPVKH[KPIRQVGPVKCNRTQDNGOU - Brother International HL-1440 | Service Manual - Page 35
%*#26'4+056#..#6+10#0&$#5+%12'4#6+10 +PUVCNNKPIVJG&TKXGTHQT0GVYQTM7UGTU $GHQTG[QWEQPVKPWGGPUWTGVJCVVJGCFOKPKUVTCVQTJCUEQPHKIWTGFVJGPGVYQTMRTKPVGTUGVVKPI EQTTGEVN[(QNNQYVJGUVGRUKPVJG3WKEM5GVWR)WKFGDGHQTGRTQEGGFKPI QT9KPFQYUWUGTUQPN[ %QPPGEVVJG - Brother International HL-1440 | Service Manual - Page 36
%*#26'4+056#..#6+10#0&$#5+%12'4#6+10 (QT9KPFQYUWUGTUQPN[ 5GNGEVŒ.24 4GEQOOGPFGFŒCPFVJGPENKEMVJG0GZVDWVVQP %NKEMVJG0GZVDWVVQP 'PVGTVJGRTKPVGTŏU+2#FFTGUUCPFCWPKSWGRQTVPCOGVJGPENKEMVJG0GZVDWVVQP %NKEMVJG(KPKUJDWVVQPCPFTGUVCTVVJG2%# - Brother International HL-1440 | Service Manual - Page 37
%*#26'4+056#..#6+10#0&$#5+%12'4#6+10 2#2'4*#0&.+0) 6JGRTKPVGTRTQXKFGUVYQV[RGUQHRCRGTNQCFKPIOGVJQFRCRGTECUUGVVGCPFOCPWCNHGGFUNQV .QCF2CRGTKPVQVJG2CRGT%CUUGVVG ;QWECPNQCFRNCKPRCRGTDQPFRCRGTTGE[ENGFRCRGTCPFVTCPURCTGPEKGUKPVQVJGRCRGT ECUUGVVG+H[QW - Brother International HL-1440 | Service Manual - Page 38
%*#26'4+056#..#6+10#0&$#5+%12'4#6+10 6JGRTKPVGTJCUCUVTCKIJVRCRGTRCVJHTQOVJGOCPWCNHGGFUNQVVQVJGTGCTQHVJGRTKPVGTYJGP VJGTGCTEQXGTKUNKHVGFWR7UGVJKURCRGTHGGFCPFQWVRWVOGVJQFYJGPRTKPVKPIQPVJKEMGT RCRGTQTECTF 5GNGEVVJGOCPWCNHGGFOQFGKPVJGRTKPVGT FTKXGT - Brother International HL-1440 | Service Manual - Page 39
%*#26'4+056#..#6+10#0&$#5+%12'4#6+10 2TKPVKPIQP6JKEMGT2CRGTCPF%CTF5VQEM 9JGPVJGTGCTEQXGTKUNKHVGFWRVJGRTKPVGTJCUCUVTCKIJVRCRGTRCVJHTQOVJGOCPWCNHGGFUNQV VQVJGTGCTQHVJGRTKPVGT7UGVJKURCRGTHGGFCPFQWVRWVOGVJQFYJGP[QWYCPVVQRTKPVQP VJKEMGTRCRGTQTECTF - Brother International HL-1440 | Service Manual - Page 40
%*#26'4+056#..#6+10#0&$#5+%12'4#6+10 2TKPVKPI'PXGNQRGU 6JGRTKPVGTJCUCUVTCKIJVRCRGTRCVJHTQOVJGOCPWCNHGGFUNQVVQVJGTGCTQHVJGRTKPVGT7UG VJKURCRGTHGGFCPFQWVRWVOGVJQFYJGP[QWYCPVVQRTKPVGPXGNQRGU 016' 6JGRTKPVGTVWTPUVJG/CPWCN(GGFOQFGQPCWVQOCVKECNN[YJGP[ - Brother International HL-1440 | Service Manual - Page 41
%*#26'4+056#..#6+10#0&$#5+%12'4#6+10 'PXGNQRG6[RGUVQ#XQKF • 'PXGNQRGUVJCVCTGFCOCIGFEWTNGFYTKPMNGFQTKTTGIWNCTN[UJCRGF • 'PXGNQRGUVJCVCTGGZVTGOGN[UJKP[QTJKIJN[VGZVWTGF • 'PXGNQRGUYKVJENCURUUPCRUQTVKGUVTKPIU • 'PXGNQRGUYKVJUGNHCFJGUKXGENQUWTGU • 'PXGNQRGUQH - Brother International HL-1440 | Service Manual - Page 42
%*#26'4+056#..#6+10#0&$#5+%12'4#6+10 2TKPVKPIQP6TCPURCTGPEKGU ;QWECPRTKPVQPVTCPURCTGPEKGUHTQOVJGRCRGTECUUGVVGQTOCPWCNHGGFUNQV 2TKPVKPIQP6TCPURCTGPEKGUHTQOVJG2CRGT%CUUGVVG 016' &QPQVNQCFOQTGVJCPUJGGVUQHVTCPURCTGPEKGUKPVJGRCRGTECUUGVVG 5GNGEV - Brother International HL-1440 | Service Manual - Page 43
%*#26'4+056#..#6+10#0&$#5+%12'4#6+10 5GPFVJGRTKPVFCVC 7UKPIDQVJJCPFUUNKFGVJGOCPWCNHGGFRCRGTIWKFGUVQVJGVTCPURCTGPE[YKFVJ 7UKPIDQVJJCPFUKPUGTVVJGVTCPURCTGPE[KPVQVJGOCPWCNHGGFUNQVWPVKNKVUHTQPVGFIG VQWEJGUVJGRCRGTHGGFTQNNGT*QNFVJGVTCPURCTGPE[KP - Brother International HL-1440 | Service Manual - Page 44
%*#26'4+056#..#6+10#0&$#5+%12'4#6+10 6QRTKPVQPDQVJUKFGUQHVJGRCRGTHTQOVJGOCPWCNHGGFUNQV ! %#76+10 • $GHQTGTGKPUGTVKPIVJGUJGGVUUVTCKIJVGPVJGOQTRCRGTHGGFGTTQTUYKNNQEEWT • 6JGWUGQHXGT[VJKPQTXGT[VJKEMRCRGTKUPQVTGEQOOGPFGF • 9JGPVJGOCPWCNFWRNGZ - Brother International HL-1440 | Service Manual - Page 45
DWVVQPQPVJGEQPVTQNRCPGN6JG.'&UKPFKECVGVJGRTKPVGTUVCVWU CPFRTGUUKPIVJGDWVVQPGPCDNGUUGXGTCNHWPEVKQPUKPVJGRTKPVGT .'&U Drum Ready Paper Alarm Toner Data %QPVTQN2CPGN$WVVQP (KI 4GCF[ 2CRGT.'&+PFKECVKQPU 6JG4GCF[.'&KPFKECVGUVJGEWTTGPVUVCVWUQHVJGRTKPVGT - Brother International HL-1440 | Service Manual - Page 46
%*#26'4+056#..#6+10#0&$#5+%12'4#6+10 &CVC 6QPGT.'&+PFKECVKQPU 6JG&CVC.'&KPFKECVGUVJGEWTTGPVUVCVWUQHVJGRTKPVFCVCRTQEGUU .'& 2TKPVGTUVCVWU 1(( 6JGRTKPVGTJCUPQRTKPVFCVC $NKPMKPI 6JGRTKPVGTKUTGEGKXKPIFCVCHTQOVJGEQORWVGTQTVJGRTKPVGTKU RTQEGUUKPIFCVC - Brother International HL-1440 | Service Manual - Page 47
%*#26'4+056#..#6+10#0&$#5+%12'4#6+10 %QPVTQN2CPGN$WVVQP1RGTCVKQPU 6JGEQPVTQNRCPGNDWVVQPKUWUGFHQTVJGHQNNQYKPIRWTRQUGUFGRGPFKPIQPVJGUKVWCVKQP 1RGTCVKQP &GUETKRVKQP %CPEGNRTKPVKPI +HVJGDWVVQPKURTGUUGFFWTKPIRTKPVKPIVJGRTKPVGTKOOGFKCVGN[UVQRU RTKPVKPICPF - Brother International HL-1440 | Service Manual - Page 48
%*#26'4+056#..#6+10#0&$#5+%12'4#6+10 6GUVRTKPVOQFG 6JGRTKPVGTKPEQTRQTCVGUXCTKQWUVGUVRTKPVOQFGU6JGRTKPVGTGPVGTUKPVQGCEJVGUVRTKPVOQFG D[RCPGNDWVVQPQRGTCVKQP (QTFGVCKNUQPVGUVRTKPVOQFGUGG5WDUGEVKQPŎ6GUV2TKPV/QFGŏKP%*#26'4 - Brother International HL-1440 | Service Manual - Page 49
%*#26'4+056#..#6+10#0&$#5+%12'4#6+10 0'6914-$1#4&12'4#6+10 (14*.010.; 6JGPGVYQTMDQCTFKPUVCNNGFKPVJGDCEMQHVJGRTKPVGTCNNQYU[QWVQUJCTGVJGRTKPVGTQPC PGVYQTM 2TGRCTKPIVJG$4PGV$QCTF %QPPGEVVJG'VJGTPGVECDNG 6WTPQHHVJGRTKPVGTRQYGT % - Brother International HL-1440 | Service Manual - Page 50
%*#26'4+056#..#6+10#0&$#5+%12'4#6+10 2TKPVEQPHKIWTCVKQPRCIG 2TGUUVJG0GVYQTM6GUVDWVVQPHQTNGUUVJCPUGEQPFUVQRTKPVCEQPHKIWTCVKQPRCIG 6'56DWVVQP (KI (WPEVKQPU .'&HWPEVKQPU L-LED F-LED A-LED (green) (orange) (green) (KI ..'& ITGGP.KPM - Brother International HL-1440 | Service Manual - Page 51
memory I/O (HL-1440 only) Video control block Interface block (HL-1230: Parallel) (HL1440: Parallel/USB) External device Low-voltage power supply block High-voltage power supply block Engine control block Operation block (Control panel) Laser unit Drive block (DC motor) Drum unit Transfer - Brother International HL-1440 | Service Manual - Page 52
control block Operation block (Control panel) Laser unit Drive block (DC motor) Drum unit Transfer block Charging block Drum Paper dust cleaner block Developing block Toner cartridge Image generation system Paper tray unit Paper cassette Manual feed Fixing unit Paper eject block Paper - Brother International HL-1440 | Service Manual - Page 53
shows a general block diagram of the HL-1470N printer. External device Optional RAM (SIMM) Laser unit Drive block (DC motor) Drum unit Transfer block Charging block Drum Paper dust cleaner block Developing block Toner cartridge Image generation system Paper tray unit Paper cassette Manual - Brother International HL-1440 | Service Manual - Page 54
CHAPTER 3 THEORY OF OPERATION 1.2 Main PCB Block Diagram HL-1230/1440 Fig. 3-4 shows the block diagram of the main PCB of the HL-1230/1440 printer. A S I C Reset Circuit CPU Core (MB86833) BUS INT Oscillator (33.33MHz) Program + Font ROM 1.0 Mbytes Address Decoder DRAM Control RAM (2.0 - Brother International HL-1440 | Service Manual - Page 55
HL-1450 printer. Reset Circuit CPU Core (MB86832) BUS INT A S I C Oscillator (33.33MHz) Program + Font ROM 8.0 Mbytes RAM (4.0 Mbytes) Option RAM (SIMM) (max. 32Mbytes) Address Decoder DRAM Control Timer FIFO CDCC Parallel I/O USB I/O To PC To PC EEPROM (512 x 8 bits) Soft Support - Brother International HL-1440 | Service Manual - Page 56
PCB of the HL-1470N printer. Reset Circuit CPU Core (MB86832) BUS INT A S I C Oscillator (33.33MHz) Program + Font ROM 8.0 Mbytes Flash ROM (2.0 Mbytes) RAM (4.0 Mbytes) Address Decoder DRAM Control Timer FIFO CDCC Parallel I/O Option RAM (SIMM) (max. 32Mbytes) USB I/O Soft Support To PC - Brother International HL-1440 | Service Manual - Page 57
ASIC HL-1230/1440 A Fujitsu 32bit RISC CPU, MB86833 (SPARC lite) is built in the ASIC. While the CPU is driven with a clock frequency of 33 MHz in the user (nibble mode, byte mode, ECP mode). (2) USB interface (for HL-1440 only) Stores the data received from the PC into DRAM as controlled by - Brother International HL-1440 | Service Manual - Page 58
CHAPTER 3 THEORY OF OPERATION HL-1450/1470N A Fujitsu 32bit RISC CPU, MB86832 (SPARC lite) is built in the ASIC. While the CPU is driven with a clock frequency of 33 MHz in the user logic block, it itself runs at 66 MHz, which is generated by multiplying the source clock by two. The functions - Brother International HL-1440 | Service Manual - Page 59
CHAPTER 3 THEORY OF OPERATION Fig. 3-8 3-9 - Brother International HL-1440 | Service Manual - Page 60
CHAPTER 3 THEORY OF OPERATION 1.3.2 ROM HL-1230/1440 An 8 Mbits ROM (x 16 bit) is fitted. Fig. 3-9 HL-1450 Two 64 Mbits ROMs (x 32 bit) are fitted. Fig. 3-10 3-10 - Brother International HL-1440 | Service Manual - Page 61
HL-1470N Two 32 Mbits ROMs (x 16 bit) are fitted. CHAPTER 3 THEORY OF OPERATION Fig. 3-11 3-11 - Brother International HL-1440 | Service Manual - Page 62
CHAPTER 3 THEORY OF OPERATION 1.3.3 Flash ROM (for HL-1470N only) HL-1470N Two 8 Mbits flash ROMs (x 16 bit) are fitted. Fig. 3-12 1.3.4 DRAM HL-1230/1440 A 16M-bit DRAM (x 16 bits) is used as the RAM. Fig. 3-13 3-12 - Brother International HL-1440 | Service Manual - Page 63
HL-1450/1470N Two 16M-bit DRAMs (x 16 bits) are used as the RAM. CHAPTER 3 THEORY OF OPERATION Fig. 3-14 3-13 - Brother International HL-1440 | Service Manual - Page 64
CHAPTER 3 THEORY OF OPERATION 1.3.5 Optional RAM HL-1440 A 32bit (72 pin) SIMM can be fitted as optional RAM. The main PCB has one slot and the capacity of SIMM can be from 1 Mbyte to 32 Mbytes. Fig. 3-15 3-14 - Brother International HL-1440 | Service Manual - Page 65
CHAPTER 3 THEORY OF OPERATION HL-1450/1470N A 32bit (72 pin) SIMM can be fitted as optional RAM. The main PCB has one slot and the capacity of SIMM can be from 1 Mbyte to 32 Mbytes. Fig. 3-16 3-15 - Brother International HL-1440 | Service Manual - Page 66
CHAPTER 3 THEORY OF OPERATION 1.3.6 PCI bus HL-1470N The interface of the PCI bus is PCI specification revision 2.2 compliant. Fig. 3-17 3-16 - Brother International HL-1440 | Service Manual - Page 67
is X24C04 type of two-wire method with a 512 x 8 bits configuration. Fig. 3-19 HL-1470N The EEPROM is X24C32 type of two-wire method with a 8192 x 8 bits configuration. Fig. 3-20 1.3.8 Reset circuit HL-1230/1440 The reset IC is a RN5VD42A. The reset voltage is 4.2V (typ.) and the LOW period of - Brother International HL-1440 | Service Manual - Page 68
voltage is 4.2V (typ.) and the LOW period of reset is 80ms (typ.) Fig. 3-22 1.3.9 Engine I/O HL-1230/1440 Fig. 3-22 shows the engine interface circuit. The interface with the engine PCB is by fullduplex synchronous serial method. Fig. 3-23 HL-1450/1470N Fig. 3-23 shows the engine interface circuit - Brother International HL-1440 | Service Manual - Page 69
PCB. The engine PCB controls the following parts by using the transferred signal data; • Main motor • Toner sensor • Panel PCB • Cover sensor • circuit diagram of the engine PCB, see Appendix 18. 1.5 BR-net PCB (for HL-1470N only) The BR-net PCB is connected to the ASIC mounted on the main - Brother International HL-1440 | Service Manual - Page 70
DC power (+5V and +24V), which are converted from the AC line. The regulated output and the production code of each power supply are listed below; Regulated Output Production Code +5V / 1.6 A +24V / 2.15 A 100V: MPW1555 200V: MPW1455 For the circuit diagram of the low-voltage power supply PCB - Brother International HL-1440 | Service Manual - Page 71
Current Regulator B1 Voltage Regulator VR22 Current Regulator B102 Q81 Voltage Regulator B101 Q101 Voltage Regulator Z51 VR51 Supply Roller Transfer Roller Development Roller Photosensitive Drum Corona Unit Fig. 3-26 3-21 - Brother International HL-1440 | Service Manual - Page 72
Corona wire Heat roller Jam sensor lever First eject roller Drum Unit Rear coveFr ixing Unit Fixing unit Eject sensor lever Pressure roller Transfer roller Laser Unit Polygon mirror Scanner motor Development roller Blade Agitator Toner sensor Supply roller Paper feed roller Ppaper pick-up - Brother International HL-1440 | Service Manual - Page 73
Sensor (HL-1450/1470N) HighVoltage Power Supply PCB Cover Sensor (B) Drum Unit Primary Charger (Corona Wire) Primary Charger (Grid) Development Roller Supply Roller Transfer Roller Solenoid Fan Motor Main Motor Toner Sensor PCB (light emission) Toner Sensor PCB (light reception) Thermistor - Brother International HL-1440 | Service Manual - Page 74
. Then, the solenoid is turned off, the paper feed roller starts turning, and the paper is fed to the transfer block in the drum unit. Photosensitive drum Paper feed roller Transfer roller Rear registration sensor lever Fig. 3-30 The rear registration sensor in the path from the feed roller to the - Brother International HL-1440 | Service Manual - Page 75
the printing image on the photosensitive drum is transferred onto the paper, the paper is fed to the fixing unit to fix unfixed toner onto the paper. Afterwards, the open, the paper is ejected face up straight to the printer rear (straight paper path). Rear cover Second eject roller Jam sensor lever First - Brother International HL-1440 | Service Manual - Page 76
is toner in the toner cartridge. The toner sensor at the left side emits light through the window on the left side of the toner cartridge, then the toner sensor at the right side receives it when the toner is low. They also detect whether or not the drum unit is installed. (The toner cartridge is - Brother International HL-1440 | Service Manual - Page 77
Grid Spreads the ion charge evenly over the drum surface. 2.4.3 Transfer roller Transfers the toner image to the paper from the drum surface. 2.4.4 Cleaner Removes the paper dust or dirt on the surface of the photosensitive drum. 2.5 Toner Cartridge Develops the electrostatic latent image on the - Brother International HL-1440 | Service Manual - Page 78
from the printer is therefore not harmful to the human body. Applicable safety standards have been complied with. 2.6.2 Exposure stage After the drum is positively charged, it is exposed to the light emitted from the laser unit. Drum Laser beam Laser detector Laser diode Paper Laser beam - Brother International HL-1440 | Service Manual - Page 79
(b) Time 1 Primary charging 2 Laser beam exposure and developing (a) Unexposed area ( Non image area ) (b) Exposed area ( Image area ) 3 Transfer the image to paper Fig. 3-36 2.6.3 Developing Developing causes the toner to be attracted to the electrostatic image on the drum so as to transform it - Brother International HL-1440 | Service Manual - Page 80
transferred onto the paper by applying a negative charge to the back of the paper. The negative charge applied to the paper causes the positively charged toner to leave the drum, and adhere to the paper. As a result, the image is visible on the paper. (2) Cleaning process of transfer roller If the - Brother International HL-1440 | Service Manual - Page 81
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%*#26'4&+5#55'/$.;#0&4'#55'/$.; 'PIKPG2%$#55;*KIJ8QNVCIG2QYGT5WRRN[2%$#55; 4GOQXGVJG/Z6CRVKVGUETGYVQTGOQXGVJGKPUWNCVKQPUJGGV 4GOQXGVJGVJTGG/Z6CRVKVGUETGYUUGEWTKPIVJGGPIKPG2%$CPFVJGJKIJXQNVCIG RQYGTUWRRN[2%$ .KHVVJGGPIKPG - Brother International HL-1440 | Service Manual - Page 122
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%*#26'4&+5#55'/$.;#0&4'#55'/$.; 2CPGN2%$#55; 016' $GUWTGVQTGOQXGVJGFTKXGWPKVCPFFKUEQPPGEVVJGRCPGN2%$EQPPGEVQTQPVJGGPIKPG2%$ DGHQTGTGOQXKPIVJGRCPGN2%$#55; 4GOQXGVJG/Z6CRVKVGUETGYVJGPTGOQXGVJGRCPGN2%$#55; 2CPGN2%$ (KI 6CRVKVGEWR - Brother International HL-1440 | Service Manual - Page 124
%*#26'4&+5#55'/$.;#0&4'#55'/$.; 5QNGPQKF#55; 016' $GUWTGVQTGOQXGVJGFTKXGWPKVCPFFKUEQPPGEVVJGUQNGPQKFEQPPGEVQTQPVJGGPIKPG2%$ DGHQTGTGOQXKPIVJGUQNGPQKF#55; 2NCEGVJGOCKPHTCOGUQVJCVVJGFTKXGWPKVUKFGKUCVVJGVQR 4GNGCUGVJGECVEJCPFTGOQXGVJG - Brother International HL-1440 | Service Manual - Page 125
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%*#26'4&+5#55'/$.;#0&4'#55'/$.; 6WTPVJGOCKPHTCOGWRUKFGFQYP 4GOQXGVJGVYQ/Z6CRVKVGUETGYUCPFTGNGCUGVJGUQNGPQKFJCTPGUUHTQOVJGJQQM CPFTGOQXGVJGECUUGVVGIWKFG.( 5VGR 6CRVKVGEWR/Z (KI %CUUGVVGIWKFG.( 4GOQXGVJG/ZUETGYCPFVJGVCRG - Brother International HL-1440 | Service Manual - Page 127
%*#26'4&+5#55'/$.;#0&4'#55'/$.; (CP/QVQT#55; 016' $GUWTGVQTGOQXGVJGHKZKPIWPKVCPFFKUEQPPGEVVJGHCPOQVQTEQPPGEVQTQPVJGGPIKPG2%$ DGHQTGTGOQXKPIVJGHCPOQVQT#55; 2NCEGVJGOCKPHTCOGUQVJCVVJGHCPOQVQT#55;KUCVVJGVQR 4GOQXGVJGVYQ/Z6CRVKVG - Brother International HL-1440 | Service Manual - Page 128
%*#26'4&+5#55'/$.;#0&4'#55'/$.; 6QPGT5GPUQT2%$#55; .KIJV'OKUUKQP 016' $GUWTGVQFKUEQPPGEVVJGVQPGTUGPUQT NKIJVGOKUUKQPEQPPGEVQTQPVJGGPIKPG2%$DGHQTG TGOQXKPIVJGVQPGTUGPUQT2%$#55; NKIJVGOKUUKQP 4GNGCUGVJGJQQMUQHVJGVQPGTUGPUQT2%$#55; NKIJV - Brother International HL-1440 | Service Manual - Page 129
%*#26'4&+5#55'/$.;#0&4'#55'/$.; 2CRGT2KEMWR4QNNGT#55; 016' $GUWTGVQTGOQXGCNNVJGEQXGTUCPFVJGDCUGRNCVGDGHQTGTGOQXKPIVJGRCRGTRKEMWRTQNNGT #55; 2NCEGVJGOCKPHTCOGWRUKFGFQYP 7PJQQMVJGJQQMVQTGOQXGVJGKPPGTIGCTIGCTCPFIGCTHTQOVJG - Brother International HL-1440 | Service Manual - Page 130
%*#26'4&+5#55'/$.;#0&4'#55'/$.; 2CRGT(GGF4QNNGT#55; 016' $GUWTGVQTGOQXGCNNVJGEQXGTUCPFVJG2%$UDGHQTGTGOQXKPIVJGRCRGTHGGFTQNNGT#55; 7PJQQMVJGDNCEMRNCUVKEJQQMQPVJGUJCHVVQTGOQXGIGCT )GCT JQQM (KI ! %#76+10 6JGRNCUVKEJQQMJQNFKPIIGCT - Brother International HL-1440 | Service Manual - Page 131
1WVGT%JWVG 4GOQXGVYQ/Z6CRVKVGUETGYUCPFVYQ/Z6CRVKVGUETGYUVQTGOQXGVJGQWVGTEJWVG #55; 7PJQQMVYQJQQMUWUKPICUNQVVGFUETGYFTKXGTCPFVJGPTGOQXGVJGQWVGTEJWVG 1WVGTEJWVG 1WVGTEJWVG#55; 6CRVKVGEWR/Z (KI 6CRVKVGDKPF/Z 4-43 - Brother International HL-1440 | Service Manual - Page 132
%*#26'4&+5#55'/$.;#0&4'#55'/$.; 2#%-+0) +PUGTVKQPUJGGV #EEGUUQT[DCI #EEGUUQT[ECTVQP 2CF 2TKPVGT %CTVQP #%%QTF &TWO7PKV YKVJ6QPGT%CTVTKFIGKPENWFGF 2CF (KI - Brother International HL-1440 | Service Manual - Page 133
per print job, etc. (1) Open the front cover of the printer and pull out the drum unit. (2) Place the drum unit on a flat, horizontal surface, and remove the toner cartridge from the drum unit while pushing the lock lever down with your right hand. (Fig. 5-1) (3) Unpack - Brother International HL-1440 | Service Manual - Page 134
unit immediately before you need to install it into the printer. If an unpacked drum unit is subjected to excessive direct sunlight or room light, the unit may be damaged. • Handle the drum unit and toner cartridge carefully. If toner scatters on your hands or clothes, wipe or wash it off with cold - Brother International HL-1440 | Service Manual - Page 135
quality but also the quality and life of the printer itself. It may also cause serious damage to the performance and life of a genuine Brother drum unit. Warranty cover is not applied to problems caused by the use of 3rd party toner or toner cartridges. • Make sure that the wire cleaner on the - Brother International HL-1440 | Service Manual - Page 136
change in their appearance.) The periodical replacement parts listed below should be replaced at the service center referring to the service life. For the procedures to replace these parts, refer to CHAPTER 4 "DISASSEMBLY AND RE-ASSEMBLY". Parts Name Part No. Fixing Unit (115V) LJ5829001 Fixing - Brother International HL-1440 | Service Manual - Page 137
parts periodically to avoid any printer problems or print image defects. ! CAUTION: While drum unit and scanner window cleaning basically can be implemented by the end user, the electrical terminals inside the printer and on the drum unit should be cleaned by a service technician. Instruct the users - Brother International HL-1440 | Service Manual - Page 138
MAINTENANCE 3.3 Cleaning the Scanner Window When replacing the drum unit or toner cartridge with a new one, be sure to clean the scanner window. 1) Turn off the power switch and unplug the power cord. 2) Remove the drum unit from the printer. 3) Gently wipe the scanner window (colored magenta in the - Brother International HL-1440 | Service Manual - Page 139
CHAPTER 5 PERIODIC MAINTENANCE 4. MTBF / MTTR The meantime between failure (MTBF) and the meantime to repair (MTTR) for this printer are as follows; MTBF: Up to 4,000 hours MTTR: Average 30 minutes 5-7 - Brother International HL-1440 | Service Manual - Page 140
%*#26'46417$.'5*116+0) %*#26'4 6417$.'5*116+0) +0641&7%6+10 +PKVKCN%JGEM 1RGTCVKPIGPXKTQPOGPV %JGEMKH • 6JGUQWTEGXQNVCIGUVC[UYKVJKPvHTQOVJGTCVGFXQNVCIGUJQYPQPVJGTCVKPIRNCVG • 6JGRTKPVGTKUKPUVCNNGFQPCUQNKFNGXGNUWTHCEG • 6JGTQQOVGORGTCVWTGKU - Brother International HL-1440 | Service Manual - Page 141
%*#26'46417$.'5*116+0) • %QPFGPUCVKQPQPVJGJQRRGTRNCVGCPFUGRCTCVKQPRCFOC[ECWUGRCRGTHGGFVTQWDNGU +HEQPFGPUCVKQPJCUQEEWTTGFRTKPVUGXGTCNRCIGUQTNGCXGVJGRTKPVGTHQTJQWTUVQCNNQYKVVQ TGCEJTQQOVGORGTCVWTG +HVJGFTWOWPKVKUWPRCEMGFUQQPCHVGTKVKUOQXGFHTQOCEQNF - Brother International HL-1440 | Service Manual - Page 142
same error appers.) Printout is not correct. 3.2 'Error Message Printouts' (Service errors only) 6. 'Malfunctions' 4.1 'Paper Loading Problems' 8 'Incorrect Printout' Paper jam occurs. 4.2 'Paper Jams' The printer does not start printing. 5. 'Software Setting Problems' 9. 'Network Problem - Brother International HL-1440 | Service Manual - Page 143
ENGCTGFCPFVJGUCOGUGTXKEGECNNCRRGCTUUGG5GEVKQP Ŏ/CNHWPEVKQPUŏVQVCMGVJGEQTTGEVKXGCEVKQP Error occurs. Confirm the LED indication. Turn OFF/ON the power switch. Error occurs NO again. YES See Section 6 'Malfunction'. Temporary error. Use the printer without corrective action. - Brother International HL-1440 | Service Manual - Page 144
#FFTGUU'TTQT $WU'TTQT #%27GTTQTQVJGTVJCPVJGCDQXGVYQFGHGEVUUWEJCUCP +NNGICN+PUVTWEVKQPQT1RGTCVKQP1XGTHNQY *QYVJG.'&UKPFKECVGCPGTTQT GZ(WUGT/CNHWPEVKQP Drum Ready Paper Alarm Toner Data Time delay : OFF : Blinking (KI - Brother International HL-1440 | Service Manual - Page 145
%*#26'46417$.'5*116+0) '4414/'55#)'5 'TTQT/GUUCIGUKPVJG5VCVWU/QPKVQT 6JGUVCVWUOQPKVQTYKNNTGRQTVRTQDNGOUYKVJVJGRTKPVGTCUFGHKPGFKPVJGHQNNQYKPIVCDNG6CMG VJGEQTTGEVKXGCEVKQPUHQTVJGGTTQTOGUUCIGVJGUVCVWUOQPKVQTTGRQTVU 'TTQT/GUUCIG %18'412'0 012#2'4QT - Brother International HL-1440 | Service Manual - Page 146
%*#26'46417$.'5*116+0) 'TTQT/GUUCIG %NGCP&TWOWPKV %QTQPCYKTG 4GOGF[ 6JGKPVGTPCNOQPKVQTKPIU[UVGOQH[QWTRTKPVGTJCUFGVGEVGFVJCV VJGTGKUCRTKPVSWCNKV[KORTQXGOGPVVJCVECPDGCEJKGXGFD[ ECTT[KPIQWVCPQRGTCVQTKPVGTXGPVKQP - Brother International HL-1440 | Service Manual - Page 147
%*#26'46417$.'5*116+0) 'TTQT/GUUCIG (75'4/#.(70%6+10 .#5'4$& /#.(70%6+10 5%#00'4 /#.(70%6+10 &4#/'4414 084#/'4414 /#+0/1614'4414 '0)+0'+06'4(#%' '4414 4GOGF[ 6WTPVJGRQYGTUYKVEJQHHYCKVCHGYUGEQPFUCPFVJGPVWTPKVQP CICKP.GCXGVJGRTKPVGTHQTOKPWVGUYKVJRQYGTQP +H - Brother International HL-1440 | Service Manual - Page 148
%*#26'46417$.'5*116+0) 'TTQT/GUUCIG2TKPVQWVU 6JGRTKPVGTYKNNTGRQTVRTQDNGOUD[RTKPVKPICPGTTQTOGUUCIGCUFGHKPGFKPVJGHQNNQYKPIVCDNG 6CMGVJGEQTTGEVKXGCEVKQPUHQTVJGGTTQTOGUUCIGVJG2TKPVQWVTGRQTVU 'TTQT/GUUCIG 4GOGF[ /'/14;(7.. 2TGUUVJGRCPGNDWVVQPVQRTKPV - Brother International HL-1440 | Service Manual - Page 149
%*#26'46417$.'5*116+0) 2#2'4241$.'/5 9JGPCP[RCRGTTGNCVGFRTQDNGOQEEWTUGPUWTGVJCVVJGRCRGTWUGFOGGVUVJGTGEQOOGPFGF RCRGTURGEKHKECVKQPUTGHGTTKPIVQ5WDUGEVKQPŎ2CRGTŏKP%*#26'4 2CRGT.QCFKPI2TQDNGOU 2TQDNGO 6JGRTKPVGTFQGUPQV NQCFRCRGT 6JGRTKPVGTFQGUPQV - Brother International HL-1440 | Service Manual - Page 150
2CRGT,COU %NGCTKPILCOOGFRCRGT %NGCTVJGLCOOGFRCRGTHQNNQYKPIVJGRTQEGFWTGUDGNQY 4GOQXGVJGRCRGTECUUGVVGEQORNGVGN[ HTQOVJGRTKPVGT 2WNNCP[LCOOGFRCRGTWRCPFQWVQH VJGRTKPVGT (KI 1RGPVJGHTQPVEQXGT %*#26'46417$.'5*116+0) (KI 4GOQXGVJG - Brother International HL-1440 | Service Manual - Page 151
%*#26'46417$.'5*116+0) %CWUGUEQWPVGTOGCUWTGU 6JGECWUGUHQTRCRGTLCORTQDNGOUXCT[FGRGPFKPIQPVJGNQECVKQPQHVJGRCRGTLCO9JGPC RCRGTLCOQEEWTUKPUKFGVJGRTKPVGT[QWJCXGVQHKPFVJGNQECVKQPQHVJGRCRGTLCOHKTUVTGOQXG VJGLCOOGFRCRGTCPFVJGPVCMGVJGCRRTQRTKCVG - Brother International HL-1440 | Service Manual - Page 152
%*#26'46417$.'5*116+0) 016' *QYVQEJGEMVJGUGPUQTU 6WTPQHHVJGRTKPVGTRQYGTUYKVEJQRGPVJGHTQPVEQXGTCPFTGOQXGVJGFTWOWPKV 6WTPQPVJGRTKPVGTYJKNGRTGUUKPIVJGEQPVTQNRCPGNDWVVQP6JG&TWO.'&EQOGU10 .KIJVN[RTGUUVJGRCPGNDWVVQPCICKP Æ#NCTO.'&KU10(TQPV - Brother International HL-1440 | Service Manual - Page 153
%*#26'46417$.'5*116+0) 2CRGT(GGFKPI2TQDNGOU 'XGPKHVJGRCRGTKURTKPVGFCPFGLGEVGFYKVJQWVCP[RTQDNGOUUWEJCURCRGTLCOURCRGT HGGFKPIRTQDNGOUDGNQYOC[CRRGCT 7UGTUECPENGCTVJGUGRTQDNGOUD[HQNNQYKPIVJGŎ7UGT%JGEMŏKVGOUHQTGCEJRTQDNGO'XGPKH VJGUCOGRTQDNGOQEEWTU - Brother International HL-1440 | Service Manual - Page 154
%*#26'46417$.'5*116+0) ( 2CIGUMGY 7UGT%JGEM %JGEMVJCVVJGRCRGTQTQVJGTOGFKCKUNQCFGFKPVQVJGRCRGTECUUGVVGEQTTGEVN[CPFVJCVVJGRCRGT IWKFGUCTGPQVVQQVKIJVQTVQQNQQUGCICKPUVVJGRCRGTUVCEM +HWUKPIVJGOCPWCNHGGFUNQVEJGEMJQYVQNQCFRCRGTKPVQVJGOCPWCNHGGF - Brother International HL-1440 | Service Manual - Page 155
%*#26'46417$.'5*116+0) 51(69#4'5'66+0)241$.'/5 6JGRTKPVGTOC[PQVRTKPVVJGFCVCEQTTGEVN[KHVJGTGCTGKPEQTTGEVUQHVYCTGUGVVKPIU 5 ő6JGTGYCUCPGTTQTYTKVKPIVQ.26 QT$475$HQTVJGRTKPVGTŒGTTQTOGUUCIGCRRGCTU 7UGT%JGEM %JGEMVJCVVJGRTKPVGTECDNGKUPQVFCOCIGFQT - Brother International HL-1440 | Service Manual - Page 156
%*#26'46417$.'5*116+0) 5 7PCDNGVQRTKPVHTQOCRRNKECVKQPUQHVYCTGWPFGT&15 7UGT%JGEM %JGEMVJCVVJG&15CRRNKECVKQPUQHVYCTGKPVGTHCEGUGVVKPIUOCVEJVJCVQH[QWTRTKPVGT %JGEMKHVJGRTKPVGTJCUCP[RTKPVGTCNCTOUCEVKXG %JGEMKHVJGCRRTQRTKCVGRTKPVGTKUUGNGEVGFKP[QWT - Brother International HL-1440 | Service Manual - Page 157
%*#26'46417$.'5*116+0) 5 #NVJQWIJVJG75$FTKXGTKUKPUVCNNGFKVKUWPCDNGVQHKPFVJG$475$RQTV 0QPN[ 7UGT%JGEM 4GKPUVCNNVJG75$FTKXGTD[HQNNQYKPIVJGUVGRUDGNQY K &QWDNGENKEMVJGHKNGő&GKPU75$GZGŒKPVJG75$FKTGEVQT[QHVJG%&41/ KK 4GDQQVVJG2% KKK 6WTPVJG - Brother International HL-1440 | Service Manual - Page 158
%*#26'46417$.'5*116+0) 5 6JKURTKPVGTFQGUPQVCRRGCTKP%JQQUGTYKVJK/CECPF2QYGT/CEKPVQUJ )YKVJ75$ 0QPN[ 7UGT%JGEM %JGEMVJGRTKPVGTKUVWTPGFQP %JGEMVJG75$KPVGTHCEGECDNGKUEQPPGEVGFEQTTGEVN[ %JGEMVJGRTKPVGTFTKXGTKUKPUVCNNGFEQTTGEVN[ 2QUUKDNGECWUG - Brother International HL-1440 | Service Manual - Page 159
%*#26'46417$.'5*116+0) /#.(70%6+105 9JGPVCMKPIEQWPVGTOGCUWTGUHQTOCNHWPEVKQPUCUFGUETKDGFKPVJKUUGEVKQPEJGEMEQPPGEVQTU HQTEQPVCEVHCKNWTGDGHQTGOGCUWTKPIVJGXQNVCIGCVVJGURGEKHKGFEQPPGEVQTRKPU / 0Q#%RQYGTUWRRNKGF 2QUUKDNGECWUG 5WRRN[XQNVCIG 2QYGTRNWI (WUG (( - Brother International HL-1440 | Service Manual - Page 160
%*#26'46417$.'5*116+0) / /CKPOQVQTFQGUPQVTQVCVG 2QUUKDNGECWUG (CKNWTGQH EQPPGEVQT /CKPOQVQT 'PIKPG2%$ /CKP2%$ 5VGR %JGEM +UVJGEQPPGEVKQPQHEQPPGEVQT 2QPVJGGPIKPG2%$EQTTGEV! +UVJGRTQDNGOUQNXGFD[ TGRNCEKPIVJGOCKPOQVQT! +UVJGRTQDNGOUQNXGFD[ TGRNCEKPIVJG - Brother International HL-1440 | Service Manual - Page 161
%*#26'46417$.'5*116+0) / +PUWHHKEKGPVQWVRWVHTQOJKIJXQNVCIGRQYGTUWRRN[WPKV 2QUUKDNGECWUG *KIJXQNVCIG EQPVCEV *KIJXQNVCIG RQYGTUWRRN[ 2%$ 5VGR %JGEM &QCP[QHVJGVGTOKPCNUQPVJG JKIJXQNVCIGEQPVCEVUJCXGFKTV QTEQPVCEVDWTPU! %JGEMVJGEQPPGEVKQPUQHVJG EQPPGEVQTDGVYGGP - Brother International HL-1440 | Service Manual - Page 162
%*#26'46417$.'5*116+0) / 5ECPPGTHCKNWTG 2QUUKDNGECWUG *CTPGUU EQPPGEVKQP HCKNWTG 2QYGTUWRRN[ KPRWV 5VGR %JGEM +UVJGEQPPGEVKQPQHVJG UECPPGTOQVQTEQPPGEVQT2 QPVJGGPIKPG2%$UGEWTG! +UVJGXQNVCIGDGVYGGPRKPU 8&%CPF )0&QH EQPPGEVQT2QPVJGGPIKPG 2%$8&%! - Brother International HL-1440 | Service Manual - Page 163
%*#26'46417$.'5*116+0) / 41/GTTQT&4#/GTTQT084#/GTTQT 2QUUKDNGECWUG /CKP2%$ 5QHVYCTGDWI 5VGR %JGEM +UKVRQUUKDNGVQRTKPVVJGVGUV RCIGYKVJVJGOGVJQFQH 5WDUGEVKQPŎ6GUV2TKPV /QFGŏKPVJKUEJCRVGT! &QGUVJKURTQDNGOCRRGCT YJGPRTKPVKPIURGEKHKEFCVCQT RTKPVKPI - Brother International HL-1440 | Service Manual - Page 164
65 +OCIG&GHGEV'ZCORNGU %*#26'46417$.'5*116+0) I-1 Light I-2 Dark I-3 Completely blank I-4 All black I-5 Dirt on back of paper I-6 Black vertical Hollow print I-20 Downward fogging of solid black I-21 Horizontal lines I-22 Light rain (KI I-23 Ghost I-24 Toner specks - Brother International HL-1440 | Service Manual - Page 165
%*#26'46417$.'5*116+0) 6TQWDNGUJQQVKPI+OCIG&GHGEV 5GXGTCNV[RGUQHVJGKOCIGFGHGEVUECPDGENGCTGFD[GPFWUGTU(QTVJQUGFGHGEVUKPUVTWEV VJGWUGTVQEJGEMVJGŎ7UGT%JGEMŏKVGOUFGUETKDGFKPGCEJVCDNG'XGPKHVJGUCOGKOCIG FGHGEVCRRGCTUVJGHQNNQYKPIRTQEGFWTGUUJQWNFDG - Brother International HL-1440 | Service Manual - Page 166
%*#26'46417$.'5*116+0) + &CTM 7UGT%JGEM %JGEMVJGRCRGTWUGFOGGVUVJGTGEQOOGPFGFRCRGTURGEKHKECVKQPU %JGEMVJGRTKPVGTŏUGPXKTQPOGPV*KIJVGORGTCVWTGCPFJKIJJWOKFKV[EQPFKVKQPU ECPKPETGCUGVJGCOQWPVQHDCEMITQWPFUJCFKPI %NGCPVJGEQTQPCYKTGYKVJVJGYKTGENGCPGT - Brother International HL-1440 | Service Manual - Page 167
%*#26'46417$.'5*116+0) + %QORNGVGN[DNCPM 2QUUKDNGECWUG &GXGNQRKPIDKCU EQPVCEVHCKNWTG &TWOWPKV &TWOWPKVHCKNWTG 6QPGTECTVTKFIG HCKNWTG 5ECPPGT JCTPGUU EQPPGEVKQP HCKNWTG /CKP2%$HCKNWTG .CUGTWPKVHCKNWTG 5VGR %JGEM #TGVJGFGXGNQRKPIDKCU EQPVCEVUDGVYGGPVJGRTKPVGT - Brother International HL-1440 | Service Manual - Page 168
%*#26'46417$.'5*116+0) + #NNDNCEM 7UGT%JGEM %NGCPVJGEQTQPCYKTGQHVJGFTWOWPKV 6JGFTWOWPKVOC[DGFCOCIGF+PUVCNNCPGYFTWOWPKV 2QUUKDNGECWUG %QTQPCHCKNWTG 5VGR %JGEM +UVJGEQTQPCYKTGFKTV[! +UVJGEQTQPCYKTGDTQMGP! *CTPGUU EQPPGEVKQP #TGVJGEJCTIG - Brother International HL-1440 | Service Manual - Page 169
%*#26'46417$.'5*116+0) + &KTVQPVJGDCEMQHRCRGT 2QUUKDNGECWUG (KZKPIWPKVFKTV[ &KTVKPVJGFTWO WPKV 5VGR %JGEM +UVJGRTGUUWTGTQNNGTFKTV[! +UCP[QVJGTCTGCKPVJGRTKPVGT FKTV[! +UVJGVTCPUHGTTQNNGTFKTV[! +UVJGRTQDNGOUQNXGFCHVGT TGRNCEKPIVJGFTWOWPKV! 4GUWNV ;GU - Brother International HL-1440 | Service Manual - Page 170
%*#26'46417$.'5*116+0) + $NCEMCPFDNWTTGFXGTVKECNUVTGCMU 7UGT%JGEM %NGCPVJGEQTQPCYKTGKPVJGFTWOWPKV %JGEMVJCVVJGEQTQPCYKTGENGCPGTKUCVVJGJQOGRQUKVKQP %JGEMVJCVVJGVQPGTECTVTKFIGKUPQVGORV[ 6JGFTWOWPKVOC[DGFCOCIGF+PUVCNNCPGYFTWOWPKV 6JG - Brother International HL-1440 | Service Manual - Page 171
%*#26'46417$.'5*116+0) + $NCEMCPFDNWTTGFJQTK\QPVCNUVTKRGU 7UGT%JGEM 6JGFTWOWPKVOC[DGFCOCIGF+PUVCNNCPGYFTWOWPKV %JGEMVJGRCRGTWUGFOGGVUVJGTGEQOOGPFGFRCRGTURGEKHKECVKQPU %NGCPVJGRTKPVGTKPVGTKQTCPFVJGEQTQPCYKTGKPVJGFTWOWPKV 2QUUKDNGECWUG 5VGR % - Brother International HL-1440 | Service Manual - Page 172
%*#26'46417$.'5*116+0) + 9JKVGXGTVKECNUVTGCMU 7UGT%JGEM 6T[VQYKRGVJGUECPPGTYKPFQYYKVJCUQHVENQVJ 6JGVQPGTECTVTKFIGOC[DGFCOCIGF+PUVCNNCPGYVQPGTECTVTKFIG %JGEMVJGRTKPVGTŏUGPXKTQPOGPV*KIJVGORGTCVWTGCPFJKIJJWOKFKV[EQPFKVKQPU ECPECWUGVJKURTQDNGO - Brother International HL-1440 | Service Manual - Page 173
%*#26'46417$.'5*116+0) + (CWNV[TGIKUVTCVKQP 2QUUKDNGECWUG 'ZEGUUKXGRCRGT NQCF 2TKPVRCRGT 4GCTTGUKUV UGPUQTRQUKVKQP KPEQTTGEV 5VGR %JGEM +UVJGRCRGTNQCFGFKPVJG RCRGTECUUGVVGOQTGVJCP OOJKIJ! +UVJGURGEKHKGFYGKIJVQHVJG TGEQOOGPFGFRCRGTDGKPI WUGF! +UVJGHKTUV - Brother International HL-1440 | Service Manual - Page 174
+ +OCIGFKUVQTVKQP %*#26'46417$.'5*116+0) 2QUUKDNGECWUG .CUGTWPKV KPUVCNNCVKQP 5ECPPGT.& GOKUUKQPHCKNWTG 5ECPPGTOQVQT TQVCVKQPHCKNWTG 5ECPPGT EQPPGEVKQP HCKNWTG 5VGR %JGEM +UVJGNCUGTWPKVUGEWTGFVQVJG HTCOGKPEQTTGEVN[! %JGEMKHVJGTGKUCP[RNC[ +UVJGNCUGTFKQFGQTVJG - Brother International HL-1440 | Service Manual - Page 175
%*#26'46417$.'5*116+0) + 9JKVGURQVU 7UGT%JGEM +HVJGRTQDNGOKUPQVUQNXGFCHVGTRTKPVKPICHGYRCIGUVJGFTWOWPKVOC[JCXG INWGHTQONCDGNUVQEMQPVJGRJQVQUGPUKVKXGFTWOUWTHCEG4GHGTVQ5VGRKPVJG VCDNGDGNQYCPF016'KPVJGPGZVRCIG 6JGFTWOWPKVOC[DGFCOCIGF+ - Brother International HL-1440 | Service Manual - Page 176
%*#26'46417$.'5*116+0) 016' %NGCPVJGFTWOWPKVCUHQNNQYU 4GOQXGVJGVQPGTECTVTKFIGHTQOVJGFTWOWPKV2NCEGVJGRTKPVKPIUCORNGUKPHTQPVQHVJG FTWOWPKVCPFHKPFVJGGZCEVRQUKVKQPQHVJGKOCIGFGHGEV &TWOWPKV 2QUKVKQPQHUOWFIGQP VJGFTWO OOKPVGTXCN 2TKPVKPIUCORNG (KI - Brother International HL-1440 | Service Manual - Page 177
%*#26'46417$.'5*116+0) + $NCEMURQVU 7UGT%JGEM +HVJGRTQDNGOKUPQVUQNXGFCHVGTRTKPVKPICHGYRCIGUVJGFTWOWPKVOC[JCXG INWGHTQONCDGNUVQEMQPVJGRJQVQUGPUKVKXGFTWOUWTHCEG4GHGTVQ5VGRKPVJG VCDNGDGNQYCPF016'KPVJGRTGXKQWURCIG 6JGFTWOWPKVOC[DGFCOCIGF+ - Brother International HL-1440 | Service Manual - Page 178
+ )TC[DCEMITQWPF %*#26'46417$.'5*116+0) 2QUUKDNGECWUG 2TKPVRCRGT 5VGR %JGEM &QGUVJGRCRGTDGKPIWUGF OGGVVJGRCRGTURGEKHKECVKQP YGKIJVGVE 4GUWNV 0Q ;GU 6QPGTUGPUKPI +U4GCF[.'&QPGXGPCHVGT ;GU HCKNWTG TGOQXKPIVJGFTWOWPKVCPF RTKPVGTUKFG VQPGTECTVTKFIG! - Brother International HL-1440 | Service Manual - Page 179
%*#26'46417$.'5*116+0) + &QYPYCTFHQIIKPIQHUQNKFDNCEM 2QUUKDNGECWUG 6QPGTECTVTKFIG HCKNWTG *KIJXQNVCIG RQYGTUWRRN[ 2%$HCKNWTG 5VGR %JGEM +UVJGRTQDNGOUQNXGFCHVGT TGRNCEKPIVJGVQPGTECTVTKFIG! +UVJGRTQDNGOUQNXGFCHVGT TGRNCEKPIVJGJKIJXQNVCIG RQYGTUWRRN[2%$! 4GUWNV - Brother International HL-1440 | Service Manual - Page 180
+ .KIJVTCKP %*#26'46417$.'5*116+0) 2QUUKDNGECWUG &TWOWPKVHCKNWTG *KIJXQNVCIG RQYGTUWRRN[ 2%$HCKNWTG 5VGR %JGEM +UVJGRTQDNGOUQNXGFCHVGT TGRNCEKPIVJGFTWOWPKV! +UVJGRTQDNGOUQNXGFCHVGT TGRNCEKPIVJGJKIJXQNVCIG RQYGTUWRRN[2%$! 4GUWNV 4GOGF[ ;GU 4GRNCEGVJGFTWO - Brother International HL-1440 | Service Manual - Page 181
%*#26'46417$.'5*116+0) + 6QPGTURGEMU 7UGT%JGEM %JGEMVJGRCRGTWUGFOGGVUVJGTGEQOOGPFGFRCRGTURGEKHKECVKQPU#TQWIJ UWTHCEGFRCRGTOC[ECWUGVJGRTQDNGO 6JGVQPGTECTVTKFIGOC[DGFCOCIGF+PUVCNNCPGYVQPGTECTVTKFIG 6JGFTWOWPKVOC[DGFCOCIGFQTOC[DGPGCTN[CV - Brother International HL-1440 | Service Manual - Page 182
.QECVKQPQH)TQWPFKPI%QPVCEVU &TWOWPKV &TWO7PKV ➄)TKF %*#26'46417$.'5*116+0) ➁9KTGENGCPGT ➃&GXGNQROGPVTQNNGT ➀2JQVQUGPUKVKXGFTWO ➅6TCPUHGTTQNNGT 2TKPVGTDQF[2CRGTECUUGVVG ➂%JCTIG (KI ➄)TKF ➂%JCTIG ➀2JQVQUGPUKVKXGFTWO ➃&GXGNQROGPVTQNNGT (KI - Brother International HL-1440 | Service Manual - Page 183
%*#26'46417$.'5*116+0) +0%144'%624+06176 9JGPVJGFCVCKUPQVRTKPVGFEQTTGEVN[CUKVKUUGGPQPVJG2%UETGGPHQNNQYVJGRTQEGFWTGU DGNQYKPVJGGXGPVQHCURGEKHKEGTTQT 2 6JGRTKPVGTRTKPVUWPGZRGEVGFN[QTKVRTKPVUICTDCIG 7UGT%JGEM %JGEMKHVJGRTKPVGTECDNGKUPQVVQQ - Brother International HL-1440 | Service Manual - Page 184
%*#26'46417$.'5*116+0) 2 7PCDNGVQRTKPVHWNNRCIGUQHCFQEWOGPVYKVJVJGő24+0618'4470ŒOGUUCIG 7UGT%JGEM 2TGUUVJGRCPGNDWVVQPVQRTKPVVJGFCVCTGOCKPKPIKPVJGRTKPVGT +HVJKUFQGUPQVENGCTVJGGTTQTTGFWEGVJGEQORNGZKV[QH[QWTFQEWOGPVQTTGFWEGVJGRTKPVGT TGUQNWVKQP - Brother International HL-1440 | Service Manual - Page 185
%*#26'46417$.'5*116+0) 2 *GCFGTUQTHQQVGTUCTGPQVRTKPVGFQWVGXGPVJQWIJVJG[CTGXKGYGFQP2%UETGGP 7UGT%JGEM /QUVNCUGTRTKPVGTUJCXGCTGUVTKEVGFCTGCVJCVECPPQVDGRTKPVGFQP7UWCNN[VJGHKTUVVYQNKPGUCPFNCUV VYQNKPGUQHVGZVECPPQVRTKPV NGCXKPIRTKPVCDNGNKPGU# - Brother International HL-1440 | Service Manual - Page 186
%*#26'46417$.'5*116+0) 0'6914-241$.'/ (14*.010.; +HVJGGTTQTTGNCVGFVQPGVYQTMQEEWTUTGHGTVQVJGHQNNQYKPIUGEVKQPU +PUVCNNCVKQP2TQDNGO +H[QWECPPQVRTKPVQXGTVJGPGVYQTMEJGEMVJGHQNNQYKPI /CMGUWTGVJCVVJGRTKPVGTKURQYGTGFQPKUQPNKPGCPFTGCF[VQRTKPV - Brother International HL-1440 | Service Manual - Page 187
%*#26'46417$.'5*116+0) +H[QWECPPQVOCMGCP[QHVJGEQPPGEVKQPUKPUVGR EJGEMVJGHQNNQYKPI C /CMGUWTGVJGRTKPVGTKUVWTPGFQPCPFQPNKPG D 8GTKH[VJCVVJGECDNKPICPFPGVYQTMEQPPGEVKQPCTGIQQF+HRQUUKDNGVT[VJGRTKPV UGTXGTQPCFKHHGTGPVEQPPGEVKQPQPVJGPGVYQTM#NUQ - Brother International HL-1440 | Service Manual - Page 188
%*#26'46417$.'5*116+0) 6%2+26TQWDNGUJQQVKPI +H[QWCTGWUKPI6%2+2CPFECPPQVRTKPVVQVJGRTKPVUGTXGTCPF[QWJCXGEJGEMGFVJG JCTFYCTGCPFPGVYQTMCUFGUETKDGFKPVJGRTGXKQWUUVGRUVJGPEJGEMVJGHQNNQYKPI 016' +VKUCNYC[UCIQQFKFGCVQVT[VJGHQNNQYKPIKPQTFGTVQGNKOKPCVG - Brother International HL-1440 | Service Manual - Page 189
LQDUHCKNVQRTKPVQTCTGTWPVQIGVJGTVT[UGVVKPIVJGUGTXKEG TGOQVGRTKPVGT YKVJ'16UGVVQUVTKPIPWODGT EQPVTQN&(QTGZCORNG SET SERVICE BRN_xxxxxx_P1 EOT 3 +HVJGNKPGUQHCVGZVHKNGCTGUVCIIGTGFOCMGUWTGVJCV[QWJCXGURGEKHKGFCTGOQVGRTKPVGT TRPCOGQH6':6KP[QWT/etc - Brother International HL-1440 | Service Manual - Page 190
%*#26'46417$.'5*116+0) 9KPFQYU/G062GGTVQ2GGT2TKPV 0GV$+156TQWDNGUJQQVKPI +H[QWCTGJCXKPIVTQWDNGRTKPVKPIQPC9KPFQYU/G06 QTNCVGT2GGTVQ2GGT PGVYQTM 0GV$+15EJGEMVJGHQNNQYKPI /CMGUWTGVJCVVJG$TQVJGT0GV$+152QTVFTKXGTKUUGEWTGN - Brother International HL-1440 | Service Manual - Page 191
%*#26'46417$.'5*116+0) +H[QWETGCVGFVJGRTKPVSWGWGWUKPI2%1051.'CPFKPUVGCFQH$4#FOKPRTQHGUUKQPCN OCMGUWTGVJCV[QWJCXGGPCDNGFCVNGCUVQPG0GV9CTGHKNGUGTXGTWUKPIVJGSET NETWARE SERVERservername ENABLEDEQOOCPF *CXG[QWGZEGGFGF[QWT0GV9CTGWUGTNKOKV! /CMGUWTG - Brother International HL-1440 | Service Manual - Page 192
%*#26'46417$.'5*116+0) 8GTKH[VJCV[QWJCXGUGNGEVGFVJGEQTTGEV#RRNG6CNM\QPG$GECWUGVJGRTKPVUGTXGTIGVUKVU \QPGKPHQTOCVKQPHTQOTQWVGTDTQCFECUVUKVOC[PQVDGKPVJG\QPG[QWGZRGEVCPFYKNN VJGTGHQTGPQVUJQYWRKPVJG%JQQUGT+HVJKUKUVJGECUG[QWOC[PGGFVQHQTEGVJG\QPG - Brother International HL-1440 | Service Manual - Page 193
%*#26'46417$.'5*116+0) +052'%6+10/1&' 6GUV2TKPV/QFG 6JGRTKPVGTKPEQTRQTCVGUXCTKQWUVGUVRTKPVOQFGU 5GNGEVVJGVGUVOQFG[QWYCPVVQWUGHQNNQYKPIVJGUVGRUDGNQY 6WTPQHHVJGRQYGTUYKVEJQHVJGRTKPVGTCPFEJGEMVJCVVJGHTQPVEQXGTKUENQUGF 6WTPQPVJGRQYGT - Brother International HL-1440 | Service Manual - Page 194
%*#26'46417$.'5*116+0) 2TGUUVJGRCPGNDWVVQPVJGFGOQRCIGRTKPVKPIUVCTVU +PURGEVKQP/QFG 6JGRTKPVGTKPEQTRQTCVGUXCTKQWUKPURGEVKQPOQFGUUWEJCUVJGHCEVQT[KPURGEVKQPOQFGCPF VJGVGUVRTKPVOQFG 6JGRTKPVGTUWRRQTVUCHCEVQT[KPURGEVKQPOQFGEQPVKPWQWUITKFRCVVGTPRTKPV - Brother International HL-1440 | Service Manual - Page 195
UJQYVJGUVCVWUQHVJGTGURGEVKXGUGPUQTUCUUJQYPKPVJG HKIWTGDGNQY Drum Ready Paper Alarm Toner Data Toner sensor Rear registration sensor Front registration sensor Upper paper cassette sensor (HL-1450/1470N) Button pressed (KI 6QPGTUGPUQT 4GCTTGIKUVTCVKQPUGPUQT (TQPVTGIKUVTCVKQP - Brother International HL-1440 | Service Manual - Page 196
%*#26'46417$.'5*116+0) 2CRGTGLGEVUGPUQT .QYGTRCRGTECUUGVVG TGIKUVTCVKQPUGPUQT *.0QPN[ 2CRGTLCOUGPUQT %QXGTUGPUQT 10 2CRGTKUFGVGEVGF 1(( 0QRCRGTKUFGVGEVGF 10 0QNQYGTRCRGTECUUGVVGKUKPUVCNNGF 2CRGTKUFGVGEVGF 1(( 6JGNQYGTRCRGTECUUGVVGKU KPUVCNNGF - Brother International HL-1440 | Service Manual - Page 197
%*#26'46417$.'5*116+0) - Brother International HL-1440 | Service Manual - Page 198
%*#26'46417$.'5*116+0) %NQUGVJGHTQPVEQXGT %QPVKPWGVQRTGUUVJGEQPVTQNRCPGNDWVVQP ✒ %JGEMVJCVVJG&CVC.'&UVC[U1(( 4GNGCUGVJGRCPGNDWVVQP +HCNNVJGUGPUQTUGZEGRVVJGVQPGTUGPUQTCTGEQTTGEVVJGRTKPVGTIQGUDCEMVQVJG4GCF[ UVCVWU +HCP[GTTQTKUFGVGEVGFVJG - Brother International HL-1440 | Service Manual - Page 199
#22'0&+: #22'0&+: 5'4+#.01&'5%4+26+105 6JGFGUETKRVKQPUDGNQYUJQYJQYVQWPFGTUVCPFVJGOGCPKPIUQHVJGPWODGTURTKPVGFQPVJG NCDGNUQTDCIQHVJGRTKPVGTCPFRTKPVGTRCTVU +&HQTRTQFWEVKQPOQPVJ # ,CPWCT[ $ ' /C[ ( , 5GRVGODGT - (GDTWCT[ ,WPG 1EVQDGT % /CTEJ ) ,WN[ . - Brother International HL-1440 | Service Manual - Page 200
#22'0&+: 6QPGTECTVTKFIGKORTKPVGFQPVJGCNWOKPWODCI ;'#4 /106* ' (#%614;+&01 RTKPVGFQPVJGDCTEQFGNCDGNCVVCEJGFQPVJGVQPGTECTVTKFIG 610'4.1601 /106* ;'#4 5'4+#.01 %#464+&)' 241&7%6+10+0(1 /106* ;'#4 5'4+#.01 (#%614;+&01 .CUGT - Brother International HL-1440 | Service Manual - Page 201
#22'0&+: &+#/'6'4%+4%7/('4'0%'1(41..'45 6JGFKCOGVGTCPFEKTEWOHGTGPEGQHGCEJTQNNGTCTGNKUVGFDGNQY 0Q 2CTVU0COG 2CRGT(GGF4QNNGT 6TCPUHGT4QNNGT 2JQVQUGPUKVKXG&TWO *GCV4QNNGT 2TGUUWTG4QNNGT &GXGNQROGPV4QNNGT &KCOGVGT %KTEWOHGTGPEG φOO OO - Brother International HL-1440 | Service Manual - Page 202
#22'0&+: #22'0&+: 24+0652''&59+6*8#4+1755'66+0)5 2TKPVURGGFQHVJG 0RTKPVGTUKUWRVQRROYJGPNQCFKPI#WRVQ RROYJGPNQCFKPI.GVVGTUK\GRCRGTHTQOVJGRCRGTECUUGVVGKPVJG4GIWNCTOQFGCPF*. RTKPVGTKUWRVQRROYJGPNQCFKPI#WRVQRROYJGPNQCFKPI.GVVGT - Brother International HL-1440 | Service Manual - Page 203
#22'0&+: #22'0&+: *1961-019&47/70+6.+('2#)'%1706'4 +H[QWYCPVVQMPQYVJGFTWOWPKVNKHGQTVJGPWODGTQHRTKPVGFRCIGU[QWUJQWNFRTKPVQWVVJG 2TKPV%QPHKIWTCVKQPRCIGHQTVJG 0RTKPVGTQTRTKPVQWVVJG6GUV2TKPVRCIG HQTVJG*. 016' 6JGRCIGEQWPVGTFTWOEQWPVGTCPFFTWO - Brother International HL-1440 | Service Manual - Page 204
#22'0&+: 016' 6JGFGUETKRVKQPURTKPVGFKP2TKPV%QPHKIWTCVKQPXCT[FGRGPFKPIQPVJGRTKPVGTOQFGNUQT EQWPVTKGU 6GUV2TKPV HQT*.QPN[ 6WTPQPVJGRQYGTUYKVEJQHVJGRTKPVGTYJKNGRTGUUKPIVJGRTKPVGTEQPVTQNRCPGNDWVVQP 4GNGCUGVJGRCPGNDWVVQPYJGPVJG&TWO.'&EQOGUQP - Brother International HL-1440 | Service Manual - Page 205
+VKPKVKCNN[KPFKECVGUCPFITCFWCNN[FGETGCUGU • +VKPFKECVGUYJGPVJG&TWO.'&KUQP • +VUVC[UCVGXGPKHHWTVJGTRTKPVKPIKUFQPG 0% Drum Life 100% 2CIGEQWPVGT 99.4% (KI# 00000090909090909 MZ-L160003F000000 /CKPVGPCPEG KPHQTOCVKQP 6JGFTWOWPKVNKHGKUDCUGFQPVJGRCIG - Brother International HL-1440 | Service Manual - Page 206
#22'0&+: *QYVQ4GCFVJG2CIG%QWPVGT 6JGRCIGEQWPVGTKUUJQYPCVVJGTKIJVWRRGTEQTPGTKP2TKPV%QPHKIWTCVKQP 0QTCVVJGDQVVQOEGPVGTKP6GUV2TKPV *. +VKUCNUQUJQYPKPVJGWRRGTNKPGQPVJGTKIJVDGNQYVJGFTWONKHGDCTCPFKPFKECVGUVJGPWODGT QHRTKPVGFRCIGUKPWPKVUQH - Brother International HL-1440 | Service Manual - Page 207
#22'0&+: *QYVQ4GCFVJG/CKPVGPCPEG+PHQTOCVKQP 6JGOCKPVGPCPEGKPHQTOCVKQPUWEJCUVJGHTGSWGPE[QHEQPUWOCDNGRCTVUTGRNCEGOGPVQT RCRGTLCOECPDGHQWPFHTQOVJGFKIKVPWODGTUJQYPKPVJGNQYGTNKPGQPVJGTKIJVDGNQYVJG FTWOWPKVNKHGDCT 016' 6JGFKIKVPWODGTKUCNUQUJQYPKPVJG - Brother International HL-1440 | Service Manual - Page 208
#22'0&+: 6JGFKCNQIDQZUJQYPCV VJGTKIJVYKNNCRRGCTCPF UJQYVJGHTGSWGPEKGUQH FTWOWPKVEJCPIGVQPGT ECTVTKFIGEJCPIGCPF RCRGTLCO %NKEMVJG1-DWVVQP (KI# +HVJGRTKPVGTKUEQPPGEVGFVQCRCTCNNGNRQTV[QWECPVCMGVJGHQNNQYKPIUVGRU 1RGPVJG/CKPVGPCPEG +PHQTOCVKQP - Brother International HL-1440 | Service Manual - Page 209
is 100 pages or more, and the drum counter is reset. (Maximum counter: 63) Toner cartridge change When the toner cartridge is replaced after a Toner Empty error is stored in NVRAM, then warming-up completes without a Toner Empty or Toner Low error being detected. (Maximum counter: 27) Paper jam - Brother International HL-1440 | Service Manual - Page 210
#22'0&+: #22'0&+: *196175'6*'5'.(&+#)0156+%5611.5 6JTGGUGNHFKCIPQUVKEUVQQNUDGNQYCTGCWVQOCVKECNN[KPUVCNNGFYJGPVJGRTKPVGTFTKXGTKU KPUVCNNGF 6TQWDNGUJQQVKPIHQT2TKPVGTYQPŏVRTKPV &KCIPQUVKEU 2TKPVGT+PHQTOCVKQP 6JGHQNNQYKPIUGEVKQPUFGUETKDGVJGFGVCKNUQPGCEJVQQN - Brother International HL-1440 | Service Manual - Page 211
#22'0&+: &KCIPQUVKEU 6JKUVQQNJGNRU[QWVQTGRQTV[QWT2%GPXKTQPOGPVVQKPXGUVKICVGVJGECWUGQHRTQDNGOUWEJCU Ŏ2TKPVGTYQPŏVRTKPVŏQTŎ2TKPVGTRTKPVUICTDCIGQTKPEQTTGEVHQPVUŏ$GHQTGWUKPIVJKUVQQNJQYGXGT [QWJCXGVQEJGEMKH[QWECPENGCTVJGRTQDNGOWUKPIVJGŎ6TQWDNGUJQQVKPIHQT - Brother International HL-1440 | Service Manual - Page 212
+H[QWENKEMVJG1-DWVVQPKP5VGRVJGFKCNQIDQZDGNQYCRRGCTU #22'0&+: (KI# %JGEMVJGTGUWNVVJCVVJGRTKPVGTTGRQTVGFCPFENKEMVJG#$QT%DWVVQPFGRGPFKPIQPVJG TGUWNV 6JGETGCVGFNQIHKNGKUUJQYPQPVJG2%UETGGP 6JGUQHVYCTGYKNNCUMYJGVJGT[QWYKUJ VQRTKPV - Brother International HL-1440 | Service Manual - Page 213
#22'0&+: 2TKPVGT+PHQTOCVKQP 6JGFTWOWPKVNKHGQTRCIGEQWPVGTKURTKPVGFQP2TKPV%QPHKIWTCVKQP 0QT 6GUV2TKPV *.KPUQOGEQWPVTKGUCUFGUETKDGFKP#22'0&+:Ŏ*1961-019&47/ 70+6.+('2#)'%1706'4ŏ 6JKUVQQNCNUQUJQYUVJGRTKPVGTKPHQTOCVKQPUWEJCURTKPVGTXGTUKQPQTRCIG - Brother International HL-1440 | Service Manual - Page 214
#22'0&+: #22'0&+: 084#/&'(#7.68#.7' 6JGFGHCWNVXCNWGUHQTVJGOCKPKVGOUVQDGUGVKP084#/CTGCUHQNNQYU +VGOU 6KOKPIQH&TWO.'&10 (KZKPIVGORGTCVWTG 5OCNNGTUK\GOQFG &GUETKRVKQPU RCIG %QWPVGFHTQOVJGFTWOWPKVNKHG • 6TCPURCTGPE[u% • 6JKPRCRGTu% • 2NCKPRCRGT - Brother International HL-1440 | Service Manual - Page 215
#22'0&+: #22'0&+: 2#2'4%#55'66'+0(14/#6+10 (14'7412'10.; 6JG#UK\GRCRGTECUUGVVGHKVVGFVQVJGRTKPVGTKUFKHHGTGPVHTQOVJGUGTXKEGOCPWCNKPHQTOCVKQP HQTRTKPVGTUUJKRRGFVQ'WTQRGCUHQNNQYU 6JGRCRGTECUUGVVGUWRRNKGFYKVJVJG 0RTKPVGTJCUC RNCUVKETKDQPVJGRCRGTVTC[ - Brother International HL-1440 | Service Manual - Page 216
TN430 Brand new Toner Cartridge Weight 775 g Toner Weight at Brand New Toner Cartridge 145 ± 5g Toner Cartridge Weight at Toner Near Empty 720 ~ 725 g Remain Toner Weight at Toner Near Empty 90 ~ 95 g Toner Cartridge Weight at Toner Empty 710 ~ 715 g Remain Toner Weight at Toner Empty 80 - Brother International HL-1440 | Service Manual - Page 217
P3 P4 PAPER EJECT SENSOR P10 FAN MOTOR POLYGON MOTOR LASER MAIN MOTOR SOLENOID PANEL PCB P7 P6 P5 P3 P1 P17 P9 P12 P10 P13 P2 P15 ENGINE PCB REAR REGISTRATION SENSOR P14 FRONT REGISTRATION SENSOR T/R CN1 TONER SENSOR (light emission) COVER SENSOR FIXING UNIT JAM SENSOR THERMISTOR - Brother International HL-1440 | Service Manual - Page 218
USB I/F (HL-1440 only) SIMM P3 MAIN PCB PAPER EJECT SENSOR P4 P10 FAN MOTOR POLYGON MOTOR LASER MAIN MOTOR SOLENOID PANEL PCB P7 P6 P5 P3 P1 P17 P9 P12 P10 P13 P2 P15 ENGINE PCB REAR REGISTRATION SENSOR P14 FRONT REGISTRATION SENSOR T/R CN1 TONER SENSOR (light emission) COVER - Brother International HL-1440 | Service Manual - Page 219
P10 LOWER PAPER CASSETTE FAN MOTOR POLYGON MOTOR LASER MAIN MOTOR SOLENOID PANEL PCB P7 P12 P13 P14 P6 P3 P5 P8 P1 P9 P17 P10 UPPER PAPER CASSETTE SENSOR P2 P15 ENGINE PCB REAR REGIST SENSOR FRONT REGIST SENSOR T/R CN1 TONER SENSOR (light emission) COVER SENSOR FIXING UNIT JAM SENSOR - Brother International HL-1440 | Service Manual - Page 220
P10 LOWER PAPER CASSETTE FAN MOTOR POLYGON MOTOR LASER MAIN MOTOR SOLENOID PANEL PCB P7 P12 P13 P14 P6 P3 P5 P8 P1 P9 P17 P10 UPPER PAPER CASSETTE SENSOR P2 P15 ENGINE PCB REAR REGIST SENSOR FRONT REGIST SENSOR T/R CN1 TONER SENSOR (light emission) COVER SENSOR FIXING UNIT JAM SENSOR - Brother International HL-1440 | Service Manual - Page 221
Appendix 12. Main PCB Circuit Diagram, HL-1230/1440 (1/3 ) CODE NAME LJ8812001 B512130 CIR (1/3) A - XX - Brother International HL-1440 | Service Manual - Page 222
Appendix 13. Main PCB Circuit Diagram, HL-1230/1440 (2/3) CODE NAME LJ8812001 B512130 CIR (2/3) A - XX - Brother International HL-1440 | Service Manual - Page 223
Appendix 14. Main PCB Circuit Diagram, HL-1230/1440 (3/3) CODE NAME LJ8812001 B512130 CIR (3/3) A - XX - Brother International HL-1440 | Service Manual - Page 224
Appendix 15. Engine PCB Circuit Diagram CODE NAME LJ88009001 B512136 CIR A - XX - Brother International HL-1440 | Service Manual - Page 225
Appendix 16. Network Board Circuit Diagram, HL-1470N CODE NAME LJ8107000 B512058CIR A - 29 - Brother International HL-1440 | Service Manual - Page 226
Appendix 17. Low-voltage Power Supply PCB Circuit Diagram (110 - 120V) L F1 N FG F2 R1 C1 Z1 C22 R23 ZC R20 R21 NTC1 L2 PC2 R22 TRA1 Z2 C16 1 3 CN1 C109 T1 D101 L1 + D13 D12 C5 D11 D14 R3 R2 C8 Q1 R19 D8 D7 R7 C10 R6 D4 R15 R11 PC1 R9 D9 R18 D102 D6 R17 D5 R12 R13 C12 - Brother International HL-1440 | Service Manual - Page 227
Appendix 18. Low-voltage Power Supply PCB Circuit Diagram (220 - 240V) L F1 N FG F2 R1 C1 Z1 C22 R23 ZC R20 R21 NTC1 L2 PC2 R22 TRA1 Z2 C16 1 3 CN1 C109 T1 D101 L1 + D13 D12 C5 D11 D14 R3 R2 C8 Q1 R19 D8 D7 R7 C10 R6 D4 R15 R11 PC1 R9 D9 R18 D102 D6 R17 D5 R12 C9 R13 - Brother International HL-1440 | Service Manual - Page 228
Appendix 19. High-voltage Power Supply PCB Circuit Diagram, ZLe (MPH3212) CODE NAME