242 Paper Jams - Lexmark MS312 Service Manual

Tray 1 jam service check
Action
Step 1
Check the pick tires.
Are they free of wear or damage?
Step 2
Check the tray guides and wear strips.
Are they free of wear or damage?
Step 3
a
POR into the Diagnostics menu and perform a feed test:
Diagnostics Menu > Input Tray Tests > Feed Tests > Tray 1 >
Continuous
b
Cancel the test after five pages.
Does the printer successfully feed the five pages into the output bin?
Step 4
Observe the location of the jammed paper.
Are the first page fed to the output bin, the second page jammed in the
rear door, and the third page jammed in the input tray?
Step 5
Check the ACM assembly.
Is it free of wear or damage?
Step 6
Check the MPF gearbox.
Is it free of wear or damage?
Step 7
Check the main drive gearbox.
Is it free of wear or damage?
Step 8
Does the error remain?

242 paper jams

[x]‑page jam, open tray [2]. [242.xx]
1
Pull the tray completely out of the printer.
Note: The message on the printer display indicates the tray where the jammed paper is located.
Yes
Go to step 2.
Go to step 3.
Go to step 7.
Go to step 5.
Go to step 6.
Go to step 7.
Go to step 8.
Contact the next level
of support.
Diagnostic information
60
4514
No
Replace the pick tires.
Replace the tray insert.
Go to step 4.
Replace the trailing
edge sensor. See
"Trailing edge sensor
removal" on page
214.
Replace the ACM
assembly. See "ACM
assembly removal" on
page 219.
Replace the MPF
gearbox. See "MPF
gearbox removal" on
page 167.
Replace the main drive
gearbox. See "Main
drive gearbox
removal" on page
162.
The problem is solved.