Lexmark W812 - Black Prints Service Check

Diagnostic Information 2-21
4022-XXX
Black Prints Service Check
The entire image area is black. There is no image visible on the page.
THE PRINTER DISPLAYS NO ERROR CODE.
7 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, one at a time, until
you isolate and solve the problem.
• Toner Cartridge Connector and Contract Springs
• Engine Card Assembly - Go to “Engine Card Removal” on
page 4-10.
• Refer to the wiring diagrams and check for a broken wire or
loose connection between FRUs in the Xerographic sections of
the printer.
Step Actions and Questions Yes No
1 PRINTHEAD WINDOW INSPECTION
Remove the Toner Cartridge.
Inspect the Printhead Window for a sheet of paper that may
have lodged in front of it and could be blocking the laser beam
from reaching the Drum.
Is the Printhead Window free of paper?
Go to step 2 Remove the
paper
2 CONTROLLER OR HOST SOFTWARE ISOLATION
Generate a Test Print.
Is the test print image normal?
Replace the
RIP Card
Assembly or
reload the
host software
Go to step 3
3 TONER CARTRIDGE REPLACEMENT
Install a new Toner Cartridge.
Is there a normal image on the paper?
Problem
solved
Go to step 4
Step Actions and Questions Yes No