Lexmark CS748de, Service Manual

Page: 66 / 504

2-28
Service Manual
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230.03 During duplex printing, the input
sensor never broke.
Possible causes:
• Obstructed duplex path
• Duplex drive failure
• Defective input sensor
• Faulty system board
• Check for anything in the duplex paper path that
might cause the paper to jam. This includes the
paper guides in tray 1.
• Go to
“230.03, 230.05—Paper Jam error
service check” on page 2-71
.
230.05 During duplex printing, the input
sensor is not made.
Possible causes:
• Obstructed duplex path
• Defective input sensor
• Faulty system board
• Faulty duplex drive
• Check for anything in the duplex paper path that
might cause the paper to jam. This includes the
paper guides in tray 1.
• Go to
“230.03, 230.05—Paper Jam error
service check” on page 2-71
.
230.21 Duplex motor stalled.
Possible causes:
• Obstructed duplex path
• Defective duplex motor
• Faulty system board
• Check for anything in the duplex paper path that
might cause the paper to jam. This includes the
paper guides in tray 1.
• If clearing a paper jam does not fix the problem,
go to
“146.xx, 148.xx—Motor (MPF/duplex)
error service check” on page 2-55
.
241.03 While feeding from tray 1, the input
sensor does not break.
Possible causes:
• Incorrect media setting
• Incorrect paper loading
• Incorrect media restraint setting
• Paper pick mechanism failure
• Transport belt motor failure
1. Clear away anything in the paper path that might
cause the paper to jam.
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.
4. Properly set media restraints in paper tray.
5. Check the pick arm rolls (tires) and replace if
worn.
If the problem persists, go to
“200.11, 250.03—
Paper Jam error service check” on page 2-65
.
241.05 While feeding from tray 1, the input
sensor is never made.
Possible causes:
• Incorrect paper loading
• Incorrect media restraint setting
• Pick art rolls (tires) failure
• Paper pick mechanism failure
• System board failure
1. Remove all media present in the paper path.
2. Fan media, and stack it flat in the tray or
multipurpose feeder.
3. Properly set media restraints in paper tray.
4. Check the pick arm rolls (tires) and replace if
worn.
If the problem persists, go to
“140.xx, 920.02—
Autocomp (tray 1) motor error service check”
on page 2-49
.
241.21 Tray 1 motor stalled.
Possible causes:
• Incorrect paper loading
• Paper pick mechanism failure
• System board failure
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
“140.xx, 920.02—Autocomp (tray 1) motor error
service check” on page 2-49
.
242.02 Tray 2 pass thru sensor made at
POR.
Possible causes:
• Paper jam leaving paper over
sensor
• Defective pass thru sensor
• Check for anything in the paper path that might
cause the paper to jam.
• If the error persists, go to
“242.02—Paper Jam
service check” on page 2-72
.
Error code Description Action