5-6 magicolor 330 - Base Engine Service Manual
Primary Fault Isolation Procedures
5.2 - Blank Prints
PROBLEM
The entire image area is blank. THE PRINTER DISP LAYS NO ERROR MES-
SAGE.
• MCU PWB (RRP 9.123)
• LVPS (RRP 9.119)
• ROS Assembly (RRP 9.47)
5.2 - Blank Prints, continued
Step Actions and Questions Yes No
1
CONTROLLER OR HOST SOFTWARE ISOLATION
Generate a test print.
Is the test print blank?
Go to step 2 Reload the
driver software
or replace the
Controller
PWB (RRP
9.129)
2
LASER PATH INSPECTION
1. Remove the Xerographic Cartridge (RRP 9.48).
2. Ins pect the empty Xerogr aphic Cartridge cavity for a sheet of
paper that could be blocking the ROS window.
Is there a sheet of paper blocking the ROS window?
Remove the
sheet of paper Go to step 3
3
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 developed image visible on the drum?
Go to step 5 Go to step 4
41. R eplace the Xerographic Cartridge (RRP 9 .48).
2. Generate a test print.
Is the test print blank?
Replace the
HVPS (RRP
9.120)
Problem solved
5IBT INSPECTION
Inspect the image on the su rface of the IBT?
Is there a developed image visible on the surface of the IBT?
Go to step 6 Go to step 7
RS501X