SERVICE CALL CONDITIONS
B079/B082 4-10
SM
Code No.
Symptom
Possible Cause
Communication timeout error between
BICU and finisher.
620 C
The BICU cannot receive a response
within 100 ms after 3 attempts after
sending data to the finisher or mailbox.
Serial line connecting BICU and finisher
unstable
External noise
BICU board and finisher main board
connection defective or loose
Finisher main board defective
BICU board defective
Communication timeout error between
BICU and finisher.
621 C
A break (low) signal was received from
the finisher.
Serial line connecting BICU and finisher
unstable
External noise
Communication timeout error between
BICU and paper tray unit
623 C
The BICU cannot receive a
response within 100 ms after 3
attempts after sending data to the
paper tray unit.
Serial line connecting BICU and paper
tray unit unstable
External noise
BICU board and paper tray main board
connection defective or loose
Paper tray main board defective
BICU board defective
Communication break error between
BICU and paper tray unit
624 C
The BICU cannot communicate with the
paper tray unit normally as a result of
receiving a break signal.
Serial line connecting BICU and paper
tray unit unstable
External noise
BICU board and LCT main board
connection defective or loose
Optional paper feed unit interface board
defective
BICU board defective
Communication timeout error between
BICU and LCT
626 C
The BICU cannot receive a response
within 100 ms after 3 attempts after
sending data to the LCT.
Serial line connecting BICU and LCT
unit unstable
External noise
BICU board and LCT main board
connection defective or loose
LCT interface board defective
BICU board defective
Communication break error between
BICU and LCT
627 C
The BICU cannot communicate with the
LCT unit normally as a result of
receiving a break signal.
Serial line connecting BICU and LCT
unit unstable
External noise
BICU board and LCT main board
connection defective or loose
LCT interface board defective
BICU board defective
SC630 Communication failure with CSS
(RSS)
630 D
The communication from the copier was
detected as abnormal at the CSS
center. This error occurs when the
acknowledge signal from the LADP
does not complete normally.
Occurred with a SC call, CC call,
Supply Management call, User call,
or CE call.
Timeout while no response from the
LADP, and signal on the RS-485 line
between PI and LADP is abnormal.
BICU control data transfer sumcheck
error
640 D
A sampling of control data sent from the
BICU to the controller reveals a
sumcheck error. Only the logging count
is performed.
Controller board defective
External noise
BICU board defective
Summary of Contents for B079
Page 1: ...B079 B082 SERVICE MANUAL 001634MIU RICOH GROUP COMPANIES ...
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Page 3: ...B079 B082 SERVICE MANUAL RICOH GROUP COMPANIES ...
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Page 5: ...B079 B082 SERVICE MANUAL 001634MIU ...
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Page 26: ......
Page 28: ......
Page 29: ...INSTALLATION ...
Page 30: ......
Page 101: ...PREVENTIVE MAINTENANCE ...
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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 ...
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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 ...