Diagnostic Information 2-61
4025-XXX
Blank Prints
The entire image area is blank.
THE PRINTER DISPLAYS NO ERROR CODE.
6 The following printer FRUs and areas are associated with this
specific problem. One or more of these FRUs or areas may
have failed partially or completely. If you cannot isolate this
problem using the steps in this Service Check, replace each
FRU or troubleshoot each area listed below until you isolate
and solve the problem.
• Printhead Assembly - Go to “Printhead Assembly” on
page 4-57
• MCU PWB - Go to “Engine Board (MCU PWB)” on
page 4-92
• I/O PWB - Go to “I/O PWB” on page 4-89.
Step Actions and Questions Yes No
1 CONTROLLER OR HOST SOFTWARE ISOLATION
Generate a Test Print.
Is the test print image normal?
Troubleshoot
or replace the
“Controller
Board (ESS
PWB)” on
page 4-94 or
reload the
print driver
software
Go to step 2
2 EP CARTRIDGE REPLACEMENT
Install a new EP Cartridge.
Is there a normal image on the paper?
Problem
solved
Go to step 3
3 IMAGE DEVELOPMENT INSPECTION
Remove the Rear Cover.
Generate a Test Print and switch OFF printer power halfway
through the print cycle.
Open the Left Upper Cover.
Open the Drum Shutter.
Hand rotate (counterclockwise) the Main Drive Motor to
advance the Drum far enough so you can see the developed
image area on the Drum before
it reached Transfer.
Is the image on the drum completely developed; with
sharp, black, easily read areas?
Go to step 4 Replace the
“High
Voltage
Power
Supply
(HVPS)
Assembly”
on page 4-88
Step Actions and Questions Yes No
To Next Page
Loading...
