Lexmark CS748de, Service Manual

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2-32
Service Manual
5026
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243.26 While feeding from a lower tray, tray 3
pass thru sensor is not made.
Possible causes:
• Incorrect paper loading for lower
tray
• Incorrect media restraint setting
for lower tray
• Paper tray 3 assembly failure
• Lower tray 4 assembly failure
1. Clear away anything in the paper path that might
cause the media to jam.
2. Make sure proper media is set for the type of
paper used in lower feeding tray.
3. Fan media, and stack flat in the lower feeding
tray.
4. Properly set media restraints in the lower
feeding tray.
5. Check the pick arm rolls in lower tray and
replace if worn.
If the problem persists, go to
“243.26—Paper Jam
service check” on page 2-84
.
243.27 While feeding from a lower tray, tray 3
pass thru sensor did not break.
Possible cause is a paper tray 3
assembly failure
• Clear away anything in the paper path that might
cause the paper to jam.
• Reseat option tray 3
• If the problem persists, go to
“243.27—Paper
Jam service check” on page 2-84
.
243.29 Tray 3 is not ready while printing.
Possible cause is paper tray 3
assembly failure.
• Make sure that tray 3 is correctly inserted.
• If the problem persists, go to
“243.29—Paper
Jam service check” on page 2-84
.
243.30 Tray 3 page reached pass-through
sensor early.
Possible cause:
• Incorrect paper loading
• Paper pick mechanism failure
• Pick arm roll damaged
• Defective pass-through sensor
• Input option damaged
1. Remove all media present in the paper path.
2. Ensure proper media is set for the type of paper
used.
3. Fan media, and stack it flat in the tray or
multipurpose feeder.
If the previous actions do not fix the problem, go to
“242.21, 243.21, 244.21. 245.21, 242.30, 243.30,
244.30, 245.30—Paper Jam service check” on
page 2-77
.
243.32 Paper is jammed on tray 3
pass-through sensor during input
options warm-up.
Possible damage:
• Obstruction on the pass-through
sensor
• Damage on the pass-through
sensor and flag
• Input option damaged
• Damaged option autoconnect
cable
• Damaged system board
Go to
“242.32, 243.32, 244.32, 245.32—Paper
Jam service check” on page 2-79
.
244.02 Tray 4 pass thru sensor made at
POR.
Possible causes:
• Paper jam leaving page over the
sensor
• defective pass thru sensor
• Check for anything in the paper path that might
cause the paper to jam.
• If the problem persists, go to
“244.02—Paper
Jam service check” on page 2-85
.
Error code Description Action