HP LaserJet 4250 Service Manual - Page 441

Printer and accessory wiring diagrams 427 Figure 7-27 HP LaserJet 4250 wiring diagram J90 J703 J124LA J124L J124DA SW102 Paper size switches Duplexing unit Paper temperature sensor Paper feeder or Paper deck Fuser temperature thermistor Fuser unit C16 C15 C14 C13 C12 C11 C10 C9 C8 C7 C6 C5 C4 C3 C2 C1 B16 B15 B14 B13 B12 B11 B10 B9 B8 B7 B6 B5 B4 B3 B2 B1 A16 A15 A14 A13 A12 A11 A10 A9 A8 A7 A6 A5 A4 A3 A2 A1 J103F A16 A15 A14 A13 A12 A11 A10 A9 A8 A7 A6 A5 A4 A3 A2 A1 J103M B16 B15 B14 B13 B12 B11 B10 B9 B8 B7 B6 B5 B4 B3 B2 B1 C16 C15 C14 C13 C12 C11 C10 C9 C8 C7 C6 C5 C4 C3 C2 C1 J72 GND 9 FSRTYP 8 GND 7 DELTH 6 FSRTHG1 5 FSRTH1 4 DELSNS 3 GND 2 DELDR 1 J71 PS107 Paper stack surface sensor PS101 Cassette paper sensor J120 4 3 2 1 4 3 2 1 3 2 1 S1103 S1102 S1101 3 2 1 3 2 1 1 2 3 4 5 6 7 8 9 10 1 /CSTSIZE0 2 /CSTSIZE1 3 GND 4 /CSTSIZE2 5 CSTSNSDR 6 GND 7 /CSTSNS 8 PLVLSNSDR 9 GND 10 /PLVLSNS 24R 6 /SEL2 5 GND 4 OPSOUT 3 OPSIN 2 OPSCLK 1 6 5 4 3 2 1 J93 1 2 M M103 J109 Lifter motor J105DB S931 1 S932 2 1 24R 2 /LMON 9 8 7 6 5 4 3 2 1 J99 J105D J105L J105LB J807F (500F) J128DWH J128DA 1 J128DB 2 3 4 5 6 1 2 3 4 5 6 GND 6 /SEL0 5 24VA 4 OPSCLK 3 OPSIN 2 OPSOUT 1 6 5 4 3 2 1 13 22 31 14 23 32 41 1 2 3 4 5 6 7 J91 1 OPSCLK 2 OPSIN 3 OPSOUT 24VA 1 GND 2 GND 3 GND 4 3.3V 5 3.3V 6 1 2 3 4 5 6 TB33 24VA TB36 GND TB32 GND TB34 GND TB31 3.3V TB35 3.3V 4 GND J80 5 /SEL0 6 24R 7 NC PRIPWM 1 1 PRIPWM /PRACCK 2 2 /PRACCK A6 B6 J128LB A6 B6 J105DA J105LA J1001(1500F) /DEVACCK 3 3 /DEVACCK /DEVACON 4 4 /DEVACON FPCK /FPCS FPI +5V FPO GND SDL SCL GND VDO1 /VDO1 GND GND GND GND VDO2 /VDO2 GND /BD GND GND SC SCLK GND /CCRT /TOP GND /PFED /PDLV +3.3V +3.3V +3.3V +3.3V +3.3V +3.3V +3.3V +3.3V +3.3V GND CAN-H FPCK /FPCS FPI +5V FPO GND SDL SCL GND VDO1 /VDO1 GND GND GND GND VDO2 /VDO2 GND /BD GND GND SC SCLK GND /CCRT /TOP GND /PFED /PDLV +3.3V +3.3V +3.3V +3.3V +3.3V +3.3V +3.3V +3.3V +3.3V GND CAN-H Intermediate PCA J121 M M102 Drum motor 3 2 1 TNRSP1 5 TNRSP2 6 /PRDCPWM 7 /DEVDCCK 8 J86 J76 7 6 5 4 3 2 1 7 6 5 4 3 2 1 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 22///GGGDDD44NNNMMMRRDDDFDAGCECC/DETDV/RF//PTETDSFRRVR/TRCPHFDAFRPPPIMCCPSFWWWCCCAPCMMMHDDKKK 9 10 11 12 13 14 15 16 17 5 TNRSP1 6 TNRSP2 7 /PRDCPWM 8 /DEVDCCK 9 DEVACCH 10 /TRFMCK 11 /PRDCCK 12 /TRFPCK 13 TRFPPWM 14 TRFAD TB10 15 /DEVDCPWM TB12 16 FSRPWM TB11 17 /HISPD FG HEATERC FUSERBIAS1 J128DDW HEATER1 HEATER2 1 1 TB14 2 3 2 3 4 4 5 5 6 6 J128LDW GND 18 18 GND FUSERBIAS2 PWRON 28 CAN-L 27 CAN-H 26 28 PWRON 27 CAN-L 26 CAN-H GND 19 24VB 20 24VB 21 19 GND 20 24VB 21 24VB TB1300 J50 GND 25 GND 24 /PDLV 23 /PFED 22 /TOP 21 /CCRT 20 SCLK 19 25 GND 24 GND 23 /PDLV 22 /PFED 21 /TOP 20 /CCRT 19 SCLK 3.3V 4 GND 3 24VB 2 /FSRCK 1 1 42 33 24 1 TB1301 1 3.3V 2 GND 3 24VB 4 /FSRCK Environment Cooling fan #1 temperature sensor J63 J1300 TH3 12 J51 J73 J81 SC 18 18 SC FN101 1 2 3 GND 17 /BD 16 GND 15 VDO2 14 /VDO2 13 GND 12 GND 11 /VDO1 10 VDO1 9 GND 8 GND 7 5V 6 5V 5 FPO 4 FPCK 3 /FPCS 2 FPI 1 17 GND 16 /BD 15 GND 14 VDO2 13 /VDO2 12 GND 11 GND 10 /VDO1 9 VDO1 8 GND 7 GND 6 5V 5 5V 4 FPO 3 FPCK 2 /FPCS 1 FPI NC 1 ENVTMP 2 ENVTMPG 3 MFLK 4 /MFHF 5 MFFL 6 /CURLIM 7 CURRMS 8 /RLD 9 FSRSAFE 10 FSRD2 11 FSRD1 12 /ZEROX 13 /AC200 14 5V 15 5V 16 ENVTMP 1 1 NC ENVTMPG 2 2 ENVTMP ENVTMPG 3 1 2 3 3 ENVTMPG 4 MFLK J64 5 /MFHF 6 MFFL 7 /CURLIM 8 CURRMS 9 FSRSAFE MFDRV 1 MFLK 2 GND 3 1 2 3 10 /RLD 11 FSRD2 12 FSRD1 13 /ZEROX 14 /AC200 15 5V 16 5V N2 H1 3N 2 1H Power supply PCA J82 J103 CAN-L CAN-L 5V 17 17 5V FG GND GND 5V 18 18 5V PWRON GND PWRON GND TB101 TB85 5V 19 GND 20 19 5V 20 GND 123 13 GND GND 3.3V 3.3V GND 21 21 GND J0150 GND GND GND 22 22 GND GND GND GND GND TB102 GND TB86 GND GND 23 23 GND FG J150 123 13 N 2 1H 2 1 J136F 2 J136M 1 N2 H1 TB28 1 J134M J128MB Heater 1 J134F J124LB J124DB 2 1 J137 1 2 H1 2 2 1 1 H2 J135 J131L J131DH J131D 1 4 2 3 3 2 4 1 1 3 2 2 3 1 1 2 3 4 5 6 1 24R 2 /SEL2 3 GND 4 OPSOUT 5 OPSIN 6 OPSCLK TH2 21 Fuser delivery TH1 paper sensor 2 1 PS108 1 2 3 4 5 6 TB15 TB16 6 5 4 3 2 1 J129 1 2 3 1 2 3 1 2 1 2 2 TP1 TP 1 TB18 TB17 Thermoswitch Formatter LINE INPUT 100V J1 J01 LINE INPUT 200V Paper width #2 sensor J106LB J106DB PS108 Multi-purpose PS103 Pre-feed PS106 1 2 3 J123 J200 Operation panel Stacker or Staple stacker J1101 M M101 Main motor Envelope feeder J906 J118DB 1 24R 2 /SEL1 3 GND 4 OPSOUT 5 OPSIN 6 OPSCLK 16 5 1 2 3 4 J901 J905 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 9 8 7 6 5 4 3 2 1 9 8 7 6 5 4 3 2 1 8 7 6 5 4 3 2 1 8 GND 7 3.3V 6 FPO 5 FPI 4 FPCK 3 /FPCS 2 GND 1 5V 1 2 3 4 5 6 7 8 9 10 1 24R 2 24R 3 24R 4 /MMFG 5 /MMDEC 6 /MMACC 7 GND 8 GND 9 GND 10 J77 DC controller PCA /WIDTH2SNS 15 GND 14 WIDTH2DR 13 /MPSNS 12 GND 11 MPDR 10 /TOPSNS 9 GND 8 TOPDR 7 /PRESNS 6 GND 5 PREDR 4 /WIDTHSNS 3 GND 2 WIDTHDR 1 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 1 2 3 1 2 3 1 2 3 J87 J600 J97 COILA 1 COILB 2 1 2 1 2 J122 24R 1 /CSTSL 2 24R 6 /SEL1 5 GND 4 OPSOUT 3 OPSIN 2 OPSCLK 1 J98 24R /MPSL 24R 1 NC 2 /TRCL 3 24VA 1 NC 2 24VC 3 J88 J92 J79 J89 J95 1 2 1 2 3 1 2 3 6 5 4 3 2 1 1 J905M J118DA J118D 1 2 3 4 1 2 3 1 2 1 2 1 2 FT1 FT3 SL101 SL SL102 SL CL101 CL 4 3 2 1 3 2 1 12 SW101 Door open detection switch Face-down tray paper full sensor Cassette pick-up solenoid Multi-purpose tray pick-up solenoid Feed roller clutch PS104 3 2 1 3 2 1 1 2 3 FULDR 1 GND 2 FULSNS 3 Memory tag PS102 1 2 3 1 2 3 sensor PS105 J113 J85 sensor tray paper Test switch SW800 12 Paper width #1 sensor Top of page sensor GND 1 CAN-H 2 CAN-L 3 GND 4 GND 5 PWRON 6 24U 7 24U 8 1 2 3 4 5 6 7 8 J78 MFDRV 1 MFLK 2 GND 3 1 2 3 IOTTXD 4 3.3V 3 IOTRXD 2 GND 1 J84 J94 24R 1 /SMACC 2 /SMDEC 3 GND 4 3.3V 5 /BDI 6 GND 7 1 2 3 4 5 6 7 J83 VDO1 1 /VDO1 2 CNT0 3 CNT1 4 CNT2 5 VDO2 6 /VDO2 7 LPHI 8 PDOUT 9 GND 10 5V 11 1 2 3 4 5 6 7 8 9 10 11 J96 1 2 3 4 3 2 1 8 7 6 5 5 4 3 2 1 2 3 4 1 J106D J106L 8 7 6 5 1 2 3 4 8 7 6 1 2 3 4 15 24 33 42 51 8 GND 7 CAN-H 6 CAN-L 5 GND 4 GND 3 PWRON 2 24R 1 24R J106LA J106DA Cooling fan #2 FN103 J143 Scanner motor J144 4 3 2 1 4 3 2 1 BD PCA 3 2 1 3 2 1 Laser driver TB26 12 11 10 9 8 7 6 5 4 3 2 1 12 11 10 9 8 7 6 5 4 3 2 1 Laser/scanner unit J145 HP LaserJet 4250 wiring diagram