Ricoh Aficio 2022, Руководство по обслуживанию

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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