2-22 Service Manual
5026
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 2-63.
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 2-123.
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 4-79.
• The fuser exit sensor may not be functioning
properly. Go to “Exit sensor service check”
on page 2-123.
• The duplex motor may not be functioning
properly. Go to “146.xx, 148.xx—Motor (MPF/
duplex) error service check” on page 2-48.
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 4-79.
• If clearing a paper jam does not fix the problem,
go to “Input sensor service check” on
page 2-125.
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.
•Go to “230.03, 230.05—Paper Jam error
service check” on page 2-66.
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 2-66.
Error code Description Action
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