HP Color LaserJet CM1312 Service Manual - Page 218
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J 161 J 162 J 163 29 28 27 26 V DO1 0 / V DO1 0 L D1 P WM 2 5 24 23 22 21 20 19 18 S GND +3. 3V CNT 1 2 1 CNT 1 2 0 L D2 P WM 1 7 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 Circuit diagram Figure 7-10 Circuit diagram 1 2 3 4 5 6 204 Chapter 7 Problem solve L as er/s canner unit Scanner motor M704 M 1234 J704 Laser driver PCA J501 29 J 621 J 622 J 623 J 624 J 625 J 626 J 627 J 611 J 612 J 613 J 614 J 615 J 616 J 617 J 618 IT B unit Color misregistration / ITB perimeter sensor Pickup unit Color misregistration / toner density sensor Loop sensor SR603 Top of page sensor SR602 Cassette media presence sensor SR601 123 J603 123 J602 Cassette pickup solenoid SL705 SL 12 Pickup motor M702 M 1234 J702 S GND / V DO2 V DO2 +3. 3V S GND CNT 3 0 CNT 3 1 / V DO3 V DO3 +3. 3V S GND F E E DS L +24VA F E E DB N F E E DB F E E DAN F E E DA L OOP S NS S GND +3L E D R E GS NS S GND +3L E D CS T S NS S GND +3L E D +24VA S GND R _ P WM R _ DI F A +3. 3V I T B L S NS +3L ED +24VA S GND +3. 3V R D_ P WM R D_ GAI N1 R D_ GAI N0 R D_ R E GA R D_ DI F A / B DI S GND L D3 P WM CNT 3 4 0 CNT 3 4 1 / V DO4 V DO4 +3. 3V S GND L D4 P WM P GND / S CNDE C / S CNACC +24VA 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 1 2 3 4 5 6 7 8 9 4321 J109 J126 123456 J127 12345 29 J108 J105 1234 J124 12345678 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 J119 J121 12345678 J102 12 J103 123456 9 876543 21 J116 DC controller PCA 21 J113 4321 J111 VI N VS S 1 VI N VS S 2 VI N VS S 3 VI N VS S 4 +24VA +24VA P GND P GND MAI NMF R / MAI NMACC / MAI NMDE C / MAI NMF G +24VA P GND +3. 3V +3. 3V R E M2 4 V S GND S GND F R E QS NS +3. 3V I OT R S GND I OT T S GND /T EST PRT MODE 0 MODE 2 P 80 P 81 T CK R L D+ R L DF S R D+ F S R D- J999A 6 13 654321 J1126 54321 J1127 IOT FLASH S2 S1 S4 S3 Memory Memory Memory Memory tag (1st) tag (2nd) tag (3rd) tag (4th) S6 S5 S7 S8 J701 87654321 M M701 Main motor 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 FMTR & Fax Fax/memorycard models 21 J903 J901 23 J999B FMTR Base model 1 2 3 4 5 6 7 8 9 10 11 12 13 1 2 FFC4 FFC5 3 4 5 6 1 +3. 3V 2 S W0 0 3 S W0 1 4 L E D00 5 L E D01 6 L E D02 7 L E D03 8 L E D04 9 L E D05 10 L E D06 11 L E D07 12 L E D08 1 3 S GND FPO +3. 3V S GND FPI F P CK / F P CS +3. 3V S GND J 151 J 152 J 153 4321 J203 Fuser power supply PCA Developing disengagement unit Developing homeposition sensor SR606 Developing disengagement solenoid SL706 SL 12 J201B 12 3 J201A 12 3 321 321 J202B LIVE2 NEUTRAL2 J202 LIVE2 NEUTRAL2 120V 230V J 331 J 332 J 321 J 322 J 323 J 324 J 325 J 326 J 311 J 312 J301B J302B J301 Low-voltage J302 power supply PCA S GND 23 / V DO1 22 V DO1 21 S GND 20 / V DO2 19 V DO2 18 S GND 17 / V DO3 16 V DO3 15 S GND 14 / V DO4 13 23 J107 V DO4 T B 1 A T B 2A T B1B Fuser unit Fuser pressure SR610 release sensor F U1A F U1B J 1031 J 1032 J 1033 J 1021 J 1022 J 1023 T B2B J801B 12 J801A 12 1 21 2 H801B 230V H801A 120V Fuser heater Fuser motor M703 M 1234 J703 Thermistor TH802 2 1 Media width sensor (R) SR607 123 J607 J608 +3L E D S GND P WL S NS 321 +3L E D S GND F DS NS J609 321 J802L J802H J802D 21 12 SR608 SR609 Media width Fiuser delivery sensor (L) sensor 1 2 3 4 5 6 7 8 9 10 11 High-voltage power supply PCA PRI :J2101-J2102 BLD1:J2321-J2322 DEV1:J2221-J2222 BLD2:J2341-J2342 DEV2:J2241-J2242 BLD3:J2361-J2362 DEV3:J2261-J2262 TR1_1 :J2401-J2402 TR1_23:J2451-J2452 TR1_4 :J2551-J2552 TR2 :J2601-J2602 BLD4:J2381-J2382 DEV4:J2281-J2282 J1001 12 13 14 15 16 17 18 19 21 20 12 22 S GND 11 23 / B D1 10 24 / B D2 9 25 / B D3 8 26 / B D4 7 27 S GND 6 Front door open detection sensor SR612 ICLB:J2701-J2702 ICLR:J2801-J2802 RS1 :J221-J222 RS2 :J241-J242 RS3 :J261-J262 RS4 :J281-J282 / T OP 5 S CL K 4 SC 3 / CCR T 2 / V DOE N 1 LED 13 J1111B Base model Operation unit Rear door open detection sensor SR613 J1012 J1011 J1014 J1013 TEMPSNS SGND HUMCLK /HUMCLK LCD 6 J1111A Fax/memorycard models Environment sensor J171 J172 J173 J174 S GND T E MP S NS F DS NS P WL S NS F P R S NS DOP E NR DOP E NF S GND +3. 3V +3L E D I CL R S NS I CL B S NS T R2S T R1S T NR 4 T NR 3 T NR 2 T NR 1 DE V CL K / HV R E S E T HV DAL D HV DACL K HV DAT A1 P GND P GND +24VA +24VA P WS NS S GND +3L E D F S R MB N F S R MB F S R MAN F S R MA S GND N. C. MAI NT H DHP S NS S GND +3L E D DE VS L +24VA 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 1 2 3 4 5 6 7 8 9 321 J120 21 J112 4321 J110 321 J104 321 J118 27 J115 ENWW