2-24 Service Manual
7526
203.09 During duplex printing retract, the exit
sensor is never made.
Possible causes:
• Damaged paper exit sensor or
paper exit sensor flag
• Transport belt module failure
• Damaged fuser autoconnect
• Faulty fuser DC cable connection
• Faulty fuser
• Faulty system board
• Check for anything in the paper path that might
cause the paper to jam.
• The fuser exit sensor may not be functioning
properly. Go to “203.09—Paper Jam error
service check” on page 2-68.
203.14 During duplex printing retract, the exit
sensor broke early.
Possible causes:
• Incorrect paper settings
• Damaged paper exit sensor or
paper exit sensor flag
• Faulty fuser
• Faulty system board
• Ensure proper media is set for the type of paper
used.
• The fuser exit sensor may not be functioning
properly. Go to “Exit sensor service check”
on page 2-145.
203.15 During duplex printing, the exit sensor
never broke.
Possible causes:
• Damaged paper exit sensor or
paper exit sensor flag
• Obstructed duplex
• Faulty fuser
• Faulty system board
• Duplex motor failure
• Check the duplex paper path for damage that
would obstruct the print. If damage is found,
replace the front door assembly. See “Front
door assembly removal” on page 4-103.
• The fuser exit sensor may not be functioning
properly. Go to “Exit sensor service check”
on page 2-145.
• The duplex motor may not be functioning
properly. Go to “146.xx, 148.xx—Motor (MPF/
duplex) error service check” on page 2-53.
203.20 During duplex, the page made the
input sensor before the previous page
cleared the bubble sensor.
Possible causes:
• 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.
• If clearing the paper jam does not fix the
problem and the paper is fan-folded, replace the
front access assembly. See “Front door
assembly removal” on page 4-103.
• If clearing a paper jam does not fix the problem,
go to “Input sensor service check” on
page 2-147.
230.03 During duplex printing, the input
sensor is 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.
• If the problem persists, go to “230.03, 230.05—
Paper Jam error service check” on
page 2-70.
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.
• If the problem persists, go to “230.03, 230.05—
Paper Jam error service check” on
page 2-70.
Error code Description Action
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