Vertical Dark Streaks With Print Missing Check - Lexmark MB2236 Service Manual

Diagnostics and troubleshooting
◦ Yes:
Contact the next level of support.
◦ No:
The problem is solved.
19. Perform the following tests:
a. Check the HVPS characterization.
b. Reseat the HVPS cables.
c. Check the HVPS cables for proper installation and damage.
d. Check the HVPS spring contact for proper connection to the board.
Is the HVPS properly installed and free of damage?
◦ Yes:
Contact the next level of support.
◦ No:
Go to the next step.
20. Replace the HVPS. See
Note: Make sure to perform the HVPS characterization when replacing the HVPS.
Does the problem remain?
◦ Yes:
Contact the next level of support.
◦ No:
The problem is solved.

Vertical dark streaks with print missing check

1. Perform the following tests:
a. Make sure that the toner cartridge is supported.
b. Make sure that the toner cartridge and imaging unit are not empty.
c. Check if the toner cartridge is new.
Is the toner cartridge new?
HVPS removal on page
91
327.