Ricoh MD-P2 Field Service Manual page 197

Black drum motor error
The LOCK signal error is detected when the EGB monitors the black drum motor state. (This
monitoring is done immediately after power-on, when the motor starts rotating, and
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immediately after the motor stops.)
D
• Disconnected or defective motor harness.
• Motor slips due to excessive load
1. Check the harness from the black drum motor. Replace it if necessary.
Color drum motor error
The LOCK signal error is detected when the EGB monitors the color drum motor state. (This
monitoring is done immediately after power-on, when the motor starts rotating, and
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immediately after the motor stops.)
D
• Disconnected or defective motor harness.
• Motor slips due to excessive load
1. Check the harness from the color drum motor. Replace it if necessary.
SC 4xx (Image Transfer and Transfer Error)
ITB (Image Transfer Belt) Unit: Home Position Error
The ITB contact sensor does not detect the home position of the ITB for 5 seconds after the ITB
unit initialization has been done.
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ITB (Image Transfer Belt) Unit: Contact Position Error
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The ITB contact sensor does not detect the contact position of the ITB for 5 seconds after the
ITB unit has moved to the contact position.
ITB (Image Transfer Belt) Unit: No-contact Position Error
The ITB contact sensor does not detect the home position of the ITB for 5 seconds after the ITB
unit has moved to no-contact position.
SC Conditions
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