Excessive Toner Coverage - Minolta magicolor 330 Service Manual

3.46 - Error Message: Excessive Toner Coverage
Image density exceeded design specifications.
Logic control on the MCU PWB detected that the first 70mm of the lead edge of the four color image about to be
printed exceeds the design specification for total image density. The specification is 280% or less image density. For
example, a density setting of 100% for each of the four colors creates a layered four color image with a combined
density of 400%.
Step
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
PRINTER RESTART
1. Switch off printer main power.
2. Wait one minute.
3. Switch on printer main power.
4. Send the same print request to the printer.
Does the error message still appear?
2
PRINT REQUEST CANCELLATION
1. Cancel the print request that is causing the error mes-
sage.
2. Print another, much less complex, color image.
Does the second image generate the same error message?
magicolor 330 - Base Engine Service Manual
Actions and Questions
Primary FIPS: Error Messages
Yes No
Go to step 2 Treat as inter-
mittent. If
problem reoc-
curs, resume
troubleshoot-
ing at step 2.
Replace the Do not send
MCU PWB overly dense
(RRP 9.123) images to the
printer.
3-51