Lexmark MS321 Service Manual

Actions Yes No
Step 5
Replace the imaging unit.
Does the problem remain?
Go to step 6. The problem is
solved.
Step 6
Check if the imaging unit contact (C) is contaminated, broken, or
bent out of proper position.
Is the contact contaminated, broken, or bent out of proper
position?
Go to step 7. Go to step 8.
Step 7
Clean or repair the imaging unit contacts.
Does the problem remain?
Contact the next
level of support.
The problem is
solved.
Step 8
Check the high voltage metal contacts on the imaging unit for
damage. If necessary, replace the imaging unit.
Does the problem remain?
Go to step 9. The problem is
solved.
Step 9
Check cable JPS1 from the controller board to the power supply
for proper connection.
Is the cable properly connected?
Go to step 11. Go to step 10.
Step 10
Reseat the cable.
Does the problem remain?
Go to step 11. The problem is
solved.
Step 11
Replace the cable.
Does the problem remain?
Contact the next
level of support.
The problem is
solved.
4600-830, -835, -895
Diagnostics and troubleshooting
44

Lexmark MS321 Specifications

General

Print Technology	Monochrome Laser
Memory	256 MB
Display	2-line LCD
Processor Speed	1 GHz
Maximum Monthly Duty Cycle	50, 000 pages
Recommended Monthly Page Volume	500 - 5000 pages
Input Capacity	250 sheets
Output Capacity	150 sheets
Connectivity	USB, Ethernet
Network Connectivity	Ethernet
Supported Operating Systems	Windows, Mac, Linux
Print Resolution	Up to 1200 x 1200 dpi