Minolta 330 3

3-20 magicolor 330 - Base Engine Service Manual

Primary FIPS: Error Messages

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

1OPC DRUM RESEAT

1. Slide the OPC Drum a f ew inches out of the printer.

2. Reinstall and lo ck the OPC Drum.

Does the error message still appear?

Go to step 2 Problem

solved

2MCU PWB INSPECTION

1. Switch off the printer.

2. Follow RRP 9.123 to acc ess the MCU PWB.

3. Disconnect P/J 16 fr om 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

3Replace 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

4Replace the MCU PWB (RRP 9.123)

Does the error message still appear?

Go to suspect

components

Problem

Solved