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PHOTOCONDUCTOR
UNIT
(PCU)
SM 3-31
B079/B082
3.11.4 CHARGE ROLLER AND CLEANING ROLLER
1. Remove the drum. (
!
3.11.2)
2. Two snap rings [A] (
x 2).
3. Push charge roller holder [B] toward the front of the PCU and remove the
spring [C].
4. Charge roller [D].
NOTE:
Disengage the charge roller on the right side to remove. Try to avoid
touching the charge roller.
5. Cleaning roller [E].
NOTE:
Disengage the cleaning roller on the left to remove.
6. After replacing the charge roller and cleaning roller, check the value of SP2001
001. If it is not at the standard value (1450 V), set SP2001 001 to –1450 V.
NOTE:
If this is not done, the carrier will be attracted to the drum because the
charge roller voltage will be too high.
CAUTION:
After re-assembly make sure that the front spring of the movable
cleaning blade is re-attached to the
#
,
$
position. (
!
3.11.2)
B079R306.WMF
[A]
[B]
[C]
[D]
[E]
Summary of Contents for B079
Page 1: ...B079 B082 SERVICE MANUAL 001634MIU RICOH GROUP COMPANIES ...
Page 2: ......
Page 3: ...B079 B082 SERVICE MANUAL RICOH GROUP COMPANIES ...
Page 4: ......
Page 5: ...B079 B082 SERVICE MANUAL 001634MIU ...
Page 6: ......
Page 8: ......
Page 10: ......
Page 12: ......
Page 26: ......
Page 28: ......
Page 29: ...INSTALLATION ...
Page 30: ......
Page 101: ...PREVENTIVE MAINTENANCE ...
Page 102: ......
Page 107: ...REPLACEMENT AND ADJUSTMENT ...
Page 108: ......
Page 196: ......
Page 197: ...TROUBLESHOOTING ...
Page 198: ......
Page 221: ...Trouble shooting SERVICE CALL CONDITIONS SM 4 23 B079 B082 INTENTIONALLY LEFT BLANK ...
Page 225: ...SERVICE TABLES ...
Page 226: ......
Page 330: ......
Page 331: ...DETAILED SECTION DESCRIPTIONS ...
Page 332: ......
Page 436: ......
Page 437: ...SPECIFICATIONS ...
Page 438: ......
Page 448: ......
Page 449: ...BOOKLET FINISHER B546 ...
Page 450: ......
Page 497: ...AUTO REVERSE DOCUMENT FEEDER B541 ...
Page 498: ......
Page 525: ...LARGE CAPACITY TRAY B543 ...
Page 526: ......
Page 528: ......
Page 543: ...PAPER TRAY UNIT B542 ...
Page 544: ......
Page 546: ......
Page 565: ...1 BIN TRAY B544 ...
Page 566: ......
Page 568: ......
Page 576: ......
Page 577: ...1000 SHEET FINISHER B408 ...
Page 578: ......
Page 580: ......
Page 605: ...TWO TRAY FINISHER B545 ...
Page 606: ......
Page 643: ...BRIDGE UNIT B538 ...
Page 651: ...PRINTER OPTION B548 ...
Page 652: ......
Page 703: ...FAX OPTION B547 ...
Page 704: ......
Page 708: ......
Page 851: ...TECHNICAL SERVICE BULLETINS ...
Page 853: ...BRIDGE UNIT B538 ...
Page 908: ...Trouble shooting SERVICE CALL CONDITIONS SM 4 23 B079 B082 INTENTIONALLY LEFT BLANK ...
Page 941: ...FIRMWARE HISTORY ...