Diagnostic Information 2-23
4022-XXX
THE PRINTER DISPLAYS NO ERROR CODE.
Step Actions and Questions Yes No
1 PRINTHEAD WINDOW INSPECTION
Remove the EP Cartridge.
Inspect the Printhead Window for a scrap of paper or other
contamination that may have lodged in front of it and could be
blocking part of the laser beam from reaching the Drum.
Is the Printhead Window free of paper or other
contamination?
Go to step 2 Remove the
paper scrap
or clean the
Printhead
window
2 PAPER INSPECTION
Inspect the paper loaded in the paper trays.
Is the paper wrinkled, dimpled, or show any sign of having
a high moisture content?
Replace with
dry, newly
opened paper
Go to step 3
3 TONER CARTRIDGE REPLACEMENT
Install a new Toner Cartridge.
Are the vertical band deletions gone?
Problem
solved
Go to step 4
4 IMAGE TRANSFER INSPECTION
Generate a Test Print and switch off printer power halfway
through the print cycle.
Open the Top Cover.
Open the Drum Shutter.
Hand rotate (counterclockwise) the Drum to advance the Drum
far enough so you can see the developed image area on the
Drum before
it reached Transfer.
Before Transfer was the toner image on the drum normal
and without vertical band deletions?
Go to step 5 Replace the
Transfer
Roller. Go to
“Transfer
Roller
Removal” on
page 4-38.
5 FUSER INSPECTION
Generate another Test Print and switch off printer power when
the print is halfway through the Fuser.
Open the Top Cover, and remove the Toner Cartridge.
Examine the paper areas before the image enters the Fuser
and after the image exits the Fuser.
Is the image on the paper normal before it enters the
Fuser, but there are vertical band deletions visible when it
exits the Fuser?
Replace the
Fuser
Assembly. Go
to “HVPS
Cover
Removal” on
page 4-14.
Go to step 6
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, one at a time, until
you isolate and solve the problem.
• See the wiring diagrams and check for a broken wire or loose
connection between FRUs in the Xerographic sections of the
printer.
To Next Page
Loading...
