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3-20 magicolor 330 - Base Engine Service Manual
Primary FIPS: Error Messages
3.17 - Error Message: OPC Verify Error
There is a CRU Memory problem.
Logic control on the MCU PWB detected that the data read from CRUM was not the same data written to CRUM.
Step Actions and Questions Yes No
SUSPECT COMPONENTS
The following components are associated with this specific prob-
lem. One or more of these components may have failed partially
or completely. If you cannot isolate the problem using this FIP,
replace each component listed below, one at a time, until the prob-
lem disappears.
• Wiring and connectors linking the components
1
OPC DRUM RESEAT
1. Slide the OPC Drum a few inches out of the printer.
2. Reinstall and lock the OPC Drum.
Does the error message still appear?
Go to step 2 Problem
solved
2
MCU PWB INSPECTION
1. Switch off the printer.
2. Follow RRP 9.123 to access the MCU PWB.
3. Disconnect P/J 16 from the MCU PWB.
4. Reconnect P/J 16 to the MCU PWB.
5. Switch on the printer.
Does the error message still appear?
Go to step 3 Problem
solved
3
Replace the OPC Drum (RRP 9.48) with a Cartridge that is recom-
mended for use with this printer.
Does the error message still appear?
Problem
solved
Go to step 4
4
Replace the MCU PWB (RRP 9.123)
Does the error message still appear?
Go to suspect
components
Problem
Solved