Diagnostic information 2-137
5026
Print quality—vertical banding
Replace the developer cartridge.
2
Check the high voltage contact from the
HVPS to the photoconductor charge roll.
Ensure the contact springs are properly
mounted and that the charge roll contact
spring is making good contact with the HPVS
spring that runs through the left printer frame
to view the proper mounting and for removal
procedures.
Are the spring(s) defective?
Replace the transfer
contact assembly.
Go to step 3.
3
Turn the printer off, and then check the
continuity of the HVPS cable.
Go to step 4. Replace the cable
assembly.
Is there continuity?
4
Replace the HVPS. See “High-voltage
power supply (HVPS) removal” on
page 4-123.
Did this solve the problem?
Problem resolved. Replace the system board.
See “System board
removal” on page 4-163.
Step Questions / actions Yes No
Note: Printer is shown with
components removed for
clarity
High volt power supply
High volt contact path
Pin 24
Pin 23
Pin 1Pin 2
Pin 2
Pin 1
Pin 23
Pin 24
To Next Page
Loading...
