Lexmark MS823 Service Manual

Action Yes No
Step 3
a Remove the duplex/MPF tray. See “Duplex/MPF tray removal”
on page 434.
b Enter the Diagnostics menu, and then navigate to:
Printer diagnostics and adjustments > Sensor tests
c Find the sensor (Tray 1 pass-through).
Does the sensor status change while toggling the sensor?
Go to step 7. Go to step 4.
Step 4
a Remove the right cover. See “Right cover removal” on
page 420.
b Check the sensor cable J73 on the controller board for proper
connection.
Is the cable properly connected?
Go to step 6. Go to step 5.
Step 5
Reseat the cable.
Does the problem remain?
Go to step 6. The problem is
solved.
Step 6
Replace the sensor. See
“Sensor (tray 1 pass‑through) removal”
on page 468.
Does the problem remain?
Go to step 7. The problem is
solved.
Step 7
Perform a print test.
Does the problem remain?
Contact the next
level of support.
The problem is
solved.
Sensor (tray 1 pass‑through) late-arriving jam service check
Action Yes No
Step 1
Check the paper path and trays for paper fragments and partially
fed paper.
Is the paper path free of paper fragments and partially fed paper?
Go to step 3. Go to step 2.
Step 2
Remove the paper fragments and partially fed paper.
Does the problem remain?
Go to step 3. The problem is
solved.
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Diagnostics and troubleshooting
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Lexmark MS823 Specifications

General

Print Technology	Monochrome Laser
Print Speed	Up to 65 ppm
Print Resolution	1200 x 1200 dpi
Monthly Duty Cycle	Up to 300, 000 pages
Recommended Monthly Page Volume	5, 000 - 75, 000 pages
Processor Speed	1 GHz
Standard Memory	512 MB
Connectivity	USB, Ethernet
Standard Input Capacity	650 pages
Maximum Paper Input	4, 400 sheets
Media Types Supported	Plain paper, Card stock, Envelopes, Labels, Transparencies
Operating System Compatibility	Windows, Linux
Duplex Printing	Automatic