Lexmark C734dn Service Manual

2-28 Service Manual
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244.29 Tray 4 is not ready, or missing while
printing.
Possible cause is paper tray 4
assembly failure.
• Make sure that tray 4 is correctly inserted.
• If the problem persists, go to “244.29—Paper
Jam service check” on page 2-85.
245.02 Tray 5 pass thru sensor made at
POR.
Possible causes:
• Paper jam leaving a page over the
sensor
• Defective pass thru sensor
• Check for anything in the paper path that might
cause the media to jam.
• If the problem persists, go to “245.17—Paper
Jam service check” on page 2-89.
245.03 Pick timeout from tray 5 exceeded
without a tray sensor break.
Possible causes:
• Tray 5 incorrect media setting
• Tray 5 incorrect paper loaded
• Tray 5 incorrect media restraint
setting
• Tray 5 assembly failure
• Aligner failure
• Transport module failure
1. Remove all media present in the paper path.
2. Make sure proper media is set for the type of
paper used in tray 5.
3. Fan the media, and stack flat in tray 5.
4. Properly set the media restraints in tray 5.
If the problem persists, go to “245.03, 245.11—
Paper Jam service check” on page 2-86.
245.05 Possible causes:
• Incorrect media setting
• Incorrect paper loading
• Incorrect media restraint setting
• Tray 5 paper pick mechanism
• Loading card stock from the
special media tray above the fill
line.
1. Ensure proper media is set for the type of paper
used in tray 5.
2. Fan media, and stack flat in tray 5.
3. Properly set the media restraints in tray 5.
4. Check the pick arm rolls (tires) in tray 5 and
replace if worn.
If the problem persists, go to “245.05—Paper Jam
service check” on page 2-87.
245.10 Tray 5 page exits pass thru sensor
broken early.
Possible causes:
• Defective pass thru sensor
• Faulty cable in connector JOPT1
on the system board
• Make sure the proper media is set for the type of
paper used in tray 5.
• Check for anything in the paper path that might
cause the paper to Jam.
• The exits pass thru sensor may not be
functioning properly. Go to “245.10—Paper
Jam service check.
245.11 Tray 5 sensor never broke.
Possible causes:
• Incorrect tray 5 media setting
• Incorrect tray 5 paper loading
• Incorrect media restraint setting
• Paper tray failure
• Aligner failure
• Transport belt module failure
• Loading card stock from the
special media tray above the fill
line.
• High humidity (replace paper)
1. Ensure the proper media is set for the type of
paper used in tray 5.
2. Fan media, and then stack flat in tray 5.
3. Properly set the media restraints in tray 5.
4. Check the pick arm rolls (tires) in tray 5 and
replace if worn.
If the problem persists, go to “245.03, 245.11—
Paper Jam service check” on page 2-86.
Error code Description Action

Lexmark C734dn Specifications

General

Brand	Lexmark
Model	C734dn
Category	Printer
Language	English