Table of Contents
Advertisement
Action
Step 4
a
Place a narrow strip of paper over the gap between the
developers.
Note: Make sure that the paper stays in place when
reinstalling the imaging unit to prevent the laser from
discharging the photoconductors.
b
From the home screen, touch Settings > Reports > Print
Quality Pages.
c
Check the test page.
Is there vertical banding?
Step 5
Replace the printhead. See
Does the problem remain?
Step 6
Check the toner cartridge contacts for damage, and replace if
"Toner cartridge contacts removal" on page
necessary. See
365.
Does the problem remain?
Step 7
Turn off the printer, and then check the continuity of the HVPS
cable.
Does the cable have continuity?
Step 8
Replace the HVPS cable.
Does the problem remain?
Step 9
Replace the HVPS. See
Does the problem remain?
Step 10
Replace the printhhead. See
Does the problem remain?
"Printhead removal" on page
"HVPS removal" on page
"Printhead removal" on page
Diagnostics and troubleshooting
Yes
Go to step 5.
Go to step 6.
397.
Go to step 7.
Go to step 9.
Go to step 9.
Go to step 10.
356.
Contact the next
level of support.
397.
52
5028
No
Go to step 6.
The problem is
solved.
The problem is
solved.
Go to step 8.
The problem is
solved.
The problem is
solved.
The problem is
solved.
Advertisement
Table of Contents
