SERVICE CALL CONDITIONS
SM 7-3
B089/B093
Trouble-
shooting
Code No.
Symptom
Possible Cause
SBU connection error
144 B
The IPU does not detect the SBU
connection signal.
Cable between SBU and IPU board
disconnected.
Automatic SBU adjustment error
192 B
An error is detected during automatic
SBU adjustment (SP4-428)
•
SBU defective
•
SBCU board defective
•
Exposure lamp stabilizer defective
•
Exposure lamp defective
•
Dirty white plate
Image transfer error
193 B
The IPU board does not finish within 1
minute after the image data has been
transferred to the controller board.
•
IPU board defective
•
Controller board defective
•
Video controller defective
DFGATE assert error
195 B
The DFGATE signal does not assert
within 30 seconds after the original has
been scanned.
•
ADF interface cable defective
•
SBCU board defective
•
Mismatched firmware between the
SBCU board and ADF
DFGATE negate error
196 B
The DFGATE signal does not negate
within 1 minute after the DFGATE has
been asserted.
•
ADF interface cable defective
•
SBCU board defective
•
Mismatched firmware between the
SBCU board and ADF
DFGATE error
197 B
The DFGEATE signal has already been
asserted at the original scan.
•
ADF interface cable defective
•
SBCU board defective
•
Mismatched firmware between the
SBCU board and ADF
Memory address error
198 B
The IPU board does not receive the
memory address from the controller
board.
•
Mismatched firmware between the
SBCU board and controller board
•
Controller defective
•
SBCU defective
•
IPU board defective
DF scanning finish error
199 B
The original does not finish scanning
with in 1 minute
•
ADF interface cable defective
•
SBCU board defective
•
Mismatched firmware between the
SBCU board and ADF
Charge roller current leak
302 B
A charge roller current leak signal is
detected.
•
Charge roller damaged
•
Charge high voltage supply board
defective
•
Poor connection of the PCU
Polygon motor error
320 B
The polygon motor does not reach its
operating speed within 10 seconds after
the polygon motor on signal, or the lock
signal is not detected for more than 200
ms continuously during operation.
•
Polygon mirror motor defective
•
Poor connection between the
polygon mirror motor driver and the
SBCU board
•
SBCU board defective
Laser synchronization error
322 B
The main scan synchronization detector
board cannot detect the laser
synchronization signal for more than 10
consecutive 50 ms intervals.
•
Poor connection between the laser
synchronization detector board and
the SBCU board
•
Laser synchronization detector board
out of position
•
Laser synchronization detector board
defective
•
SBCU board defective
•
LD unit defective
Summary of Contents for Aficio 2022
Page 1: ...B089 B093 SERVICE MANUAL 001783MIU RICOH GROUP COMPANIES ...
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Page 37: ...OVERALL INFORMATION ...
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Page 59: ...DETAILED SECTION DESCRIPTIONS ...
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Page 133: ...INSTALLATION ...
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Page 215: ...SERVICE TABLES ...
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Page 347: ...PREVENTIVE MAINTENANCE ...
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Page 353: ...REPLACEMENT AND ADJUSTMENT ...
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Page 407: ...TROUBLESHOOTING ...
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Page 433: ...PAPER TRAY UNIT A860 B390 ...
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Page 457: ...LCT A862 B391 ...
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Page 479: ...AUTO REVERSE DOCUMENT FEEDER B386 ...
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Page 511: ...INTERCHANGE UNIT B300 B416 ...
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Page 519: ...1 BIN TRAY UNIT A898 B413 ...
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Page 527: ...SHIFT TRAY UNIT B313 B459 ...
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Page 537: ...BY PASS A899 B415 ...
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Page 547: ...DUPLEX A896 B414 ...
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Page 561: ...BRIDGE UNIT A897 B417 ...
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Page 571: ...1 000 SHEET FINISHER B408 ...
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Page 599: ...500 SHEET FINISHER G302 B442 ...
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Page 623: ...FAX OPTION TYPE 2027 B576 SERVICE MANUAL ...
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Page 733: ...Internet Fax IFAX SERVICE MANUAL ...
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Page 783: ...PRINTER SCANNER B577 SERVICE MANUAL ...
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Page 821: ...DataOverwriteSecurity Unit Type A B694 01 Type B B692 01 ...
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