Ricoh MP C6502SP Field Service Manual page 1078

5. Troubleshooting
SC No.
SC No.
SC402-51
SC402-52
SC402-53
SC402-54
SC No.
SC402-61
1076
Level Error Name/Error Condition/Major Cause/Solution
Development gamma > 3.0
Details:
This SC is issued when the development gamma measured during process
control was smaller than 3.0
• Toner density error
• The dustproof glass is dirty.
• Transfer power pack defective
• PCDU set error
• Check the toner supply system.
• Clean the dustproof glass.
• Replace the transfer power pack.
• Check if the PCDU is installed correctly by looking at the locking
levers. (
Level Error Name/Error Condition/Major Cause/Solution
D Development gamma calculation error: Insufficient data (K)
D Development gamma calculation error: Insufficient data (C)
D Development gamma calculation error: Insufficient data (M)
D Development gamma calculation error: Insufficient data (KY
The number of valid data that can be used for development gamma
calculation is smaller than 2.
• Toner density error
• Condensation
• Replace the developer.
• If condensation has formed, wait a while and repeat process
control.
Level Error Name/Error Condition/Major Cause/Solution
D Development gamma calculation error: LD unlit (K)
page 681 "PCDU")