Minolta magicolor 330 Manuel de service Page 104

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5-8 magicolor 330 - Base Engine Service Manual
Primary Fault Isolation Procedures
5.3 - Black Prints
PROBLEM
The entire image area is black.
THE PRINTER DISPLAYS NO ERROR MES-
SAGE.





MCU PWB (RRP 9.123)
LVPS (RRP 9.119)
ROS Assembly (RRP 9.47)
Step Actions and Questions Yes No
1
CONTROLLER OR HOST SOFTWARE ISOLATION
Generate a test print.
Is the test print completely black?
Go to step 2 Reload the host
driver software
or replace the
Controller
PWB (RRP
9.129)
2
XEROGRAPHIC INSPECTION
1. Generate a test print and slide the Fuser Assembly out of the
printer just before the sheet of paper enters the Fuser.
2. Remove the Xerographic Cartridge (RRP 9.48).
3. Inspect the image on the Drum.
Is there a normal test print image visible on the drum?
Go to step 4 Go to step 3
3
1. Replace the Xerographic Cartridge (RRP 9.48).
2. Generate a test print.
Is the test print completely black?
Replace the
HVPS (RRP
9.120)
Problem solved
4
IBT INSPECTION
Inspect the image on the surface of the IBT?
Is there a normal test print image visible on the surface of the
IBT?
Go to step 5 Go to step 6
RS502X
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