Sc400 (Image Processing - 2); Sc500 (Paper Feed And Fusing) - Ricoh M0A0 Service Manual

6.Troubleshooting
SC No. Level
SC364- D Toner End Sensor output count error
00
Under the condition that the toner cartridge has not reached the end, an error that no toner is
supplied has been detected over n times in succession. (where n is to be configured using SP2-
931-003)
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SC400 (Image Processing – 2)
SC No. Level
SC440-00 D
SC No. Level
SC498-00 C

SC500 (Paper Feed and Fusing)

SC No. Level
SC508- B Bypass bottom plate operation error
00
The signal from the bypass bottom plate position sensor has not changed (the signal has not
changed from ON to OFF or vice versa) for 4 seconds or more after the start of reverse Paper
Feed Unit rotation. If the error is detected three times in succession, the SC number is displayed on
248
Error Name/Error Condition/Major Cause/Solution
Bad connector contact or connector disconnected/wire broken
Failed toner end sensor
Dirty detection surface inside the development unit
Check the connector connection or check for broken wire.
Replace the harness.
Replace the toner end sensor.
Replace the PCDU.
Error Name/Error Condition/Major Cause/Solution
High voltage output error: Transfer unit
This SC is issued if the BiCU detects a short in the power pack 10 times consecutively.
Short circuit (-)
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Replace the controller board.
Error Name/Error Condition/Major Cause/Solution
Temperature/humidity Sensor error
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Temperature sensor output error: Out of range between 0.76 V and 2.90 V
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Humidity sensor output error: 2.4 V or more
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Unmounted sensor (Disconnected connector or broken wire)
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Failed sensor
 Check that the connector is set.
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Set the sensor.
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Replace the sensor.
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Replace the connector.
Error Name/Error Condition/Major Cause/Solution