SERVICE CALL CONDITIONS
SM 7-5
B089/B093
Trouble-
shooting
Code No.
Symptom
Possible Cause
TD sensor error
389 B
TD sensor output was less than 0.5V,
or more than 0.5V 10 times in
succession. If the fax unit is installed,
this SC is issued immediately. If the fax
unit is not installed, this SC is issued
after the prescribed number of copies
has printed.
•
TD sensor defective
•
TD sensor connector damaged.
TD sensor error
390 D
The TD sensor outputs less than 0.5V
or more than 4.0V 10 times
consecutively during copying.
•
TD sensor abnormal
•
Poor connection of the PCU
Development bias leak
391 B
A development bias leak signal is
detected.
•
Poor connection of the PCU
•
High voltage supply board defective
TD sensor initial setting error
392 B
TD sensor output voltage falls out of the
adjustment range (2.0
±<>
0.2 V) after
the TD sensor initial setting has been
finished.
•
Someone forgot to remove the toner
seal of the PCU
•
ID sensor defective
•
TD sensor abnormal
•
Drum does not turn
•
Development roller does not turn
•
Poor connection of the PCU
Illegal toner bottle (South Korea only)
399 B
The toner bottle installed is not
intended for use with this machine.
•
Install the correct type of toner bottle.
401
B Transfer roller leak error 1
Transfer roller leak error 2
402 B
A transfer roller current leak signal is
detected.
The current feedback signal for the
transfer roller is not detected.
•
High voltage supply board defective
•
Poor connection of the PCU
•
Transfer/separation unit set
incorrectly
•
Transfer roller damaged
Separation bias leak error
411 B
A separation bias leak signal is
detected.
•
High voltage supply board defective
•
Poor connection of the PCU
•
Discharge plate defective
Toner supply motor leak error
490 B
Over 1 A supplied to the toner supply
motor for longer than 200 ms.
Toner supply motor defective
Main motor lock
500 B
A main motor lock signal is not detected
for more than 500 ms after the main
motor starts to rotate, or the lock signal
is not detected for more than 500 ms
during rotation after the last signal.
•
Too much load on the drive
mechanism
•
Main motor defective
501
B 1st paper tray lift motor malfunction
502
B 2nd paper tray lift motor malfunction
503
B 3rd paper tray lift motor malfunction
(optional paper tray unit)
4th paper tray lift motor malfunction
(optional paper tray unit)
504 B
The paper lift sensor is not activated
after the tray lift motor has been on for
18 seconds.
•
Paper lift sensor defective
•
Tray lift motor defective
•
Too much load on the drive
mechanism
•
Poor tray lift motor connection
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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