Ricoh SH-P1 M020, Руководство по обслуживанию на месте

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440 D
Primary Transfer PP output leak • High voltage supply board defective.
• Disconnect harness
• Development Bias CN loose
The PWM duty output exceeded 50%
for longer than 200 ms, indicating a
leak in the charge roller current.
• Connect the harnesses properly.
• Replace the AIO.
• Replace High voltage power supply
board.
500 D
Main motor lock • Mechanical overload on the drive
mechanism
• Main motor defective
The machine does not detect a main
motor lock signal within 1 second
after the main motor starts to rotate.
-or-
The machine does not detect a main
motor lock signal for 250 ms
continuously while the main motor is
rotating.
• Remove foreign materials on the drive
mechanism.
• Turn the Power Switch Off and On.
• Connect the harnesses properly.
• Replace the main motor.
530 D
Exhaust fan motor error • Mechanical overload on the Exhaust fan
mechanism
• Exhaust fan harness loose or broken
The CPU detects an exhaust fan lock
signal for more than 2 seconds.
• Remove foreign materials on the drive
mechanism.
• Turn the Power Switch Off and On.
• Connect the harnesses properly.
• Replace the Exhaust fan.
Service Call Conditions
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