Paper Jam Service Check - Lexmark C746n Service Manual

5026
242.21, 243.21, 244.21. 245.21, 242.30, 243.30, 244.30, 245.30—Paper Jam service
check
Step Questions / actions
1. Fan the media on the tray.
1
• Use Tray 2 for 242.21 and 242.30
errors.
• Use Tray 3 for 243.21 and 243.30
errors.
• Use Tray 4 for 244.21 and 244.30
errors.
• Use Tray 5 for 245.21 and 245.30
errors.
2. Bring the printer up in Diagnostics Menu
(turn off the printer, press and hold
buttons 3 and 6, then turn on the printer).
3. Navigate to Print Test > Tray # > Single.
Does the printer feed from tray 2
successfully?
1. Remove printer from the option tray.
2
2. Inspect the autonnect cables on the option
tray.
Is the autoconnect connector damaged?
• For 550 input option, install a new 550
3
input option.
• For HCIT input option, install a new top
plate assembly. See
assembly removal" on page 4-206
Does this fix the problem?
For HCIT input option, replace the HCIT
4
controller board assembly. See
controller board assembly removal" on
page 4-199.
Does this fix the problem?
242.26—Paper Jam service check
Step Questions / actions
1. Determine the input tray.
1
2. Bring the printer up in Diagnostics Menu
(turn off the printer, press and hold
buttons 3 and 6, then turn on the printer).
3. Navigate to PRINT TESTS > select the
tray you indicated > Single.
Did the page feed correctly?
Service Manual
2-76
Problem resolved.
• For 550 input option,
• For HCIT input option,
• For 550 input option,
• For HCIT input option,
"Top plate
Problem resolved
"HCIT
Problem resolved.
Yes
Go to step 2.
Go to step 3.
replace the 550 input
option.
replace the HCIT top
plate assembly. See
"Top plate assembly
removal" on
page 4-206.
Go to step 4.
replace the 550 input
option.
replace the HCIT top
plate assembly. See
"Top plate assembly
removal" on
page 4-206.
Replace the system board.
See
removal" on page
Yes
Go to step 2.
No
"System board
4-155.
No
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