Lexmark C734dn Service Manual

Diagnostic information 2-19
5026
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200.25 Input sensor is made when tray 1 is
installed.
Possible causes:
• Improper placement of paper in
tray 1
• Damaged input sensor flag or
input sensor
• Faulty system board
• Fan media, and stack flat in the tray or
multipurpose feeder.
• Properly set media restraints in the paper tray.
• If clearing a paper jam does not fix the problem,
go to “Input sensor service check” on
page 2-128.
200.30 Paper hit input sensor too soon.
Possible causes:
• Incorrect paper loading.
• Damaged input sensor flag or
input sensor.
• Faulty system board.
• Fan the media, and then stack flat in the tray.
• Check for anything in the paper path that might
cause the paper to jam.
• The input sensor may not be functioning
properly. Go to “Input sensor service check”
on page 2-128.
201.02 Bubble sensor active when printing
started.
Possible causes:
• Paper jam leaving page over
sensor.
• Damaged bubble sensor.
• Damaged fuser autoconnect.
• Faulty fuser DC cable connection.
• Faulty fuser.
• Faulty system board.
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 flat in the tray.
4. Properly set media restraints in the paper tray.
If the problem persists, go to ““Bubble sensor
service check” on page 2-124.
201.06 Paper is jammed between the input
sensor and the exit sensor.
Possible causes:
• Damaged paper exit sensor or
paper exit sensor flag
• Transport belt module failure
• Aligner 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.
•Go to “201.06, 201.31—Paper Jam error
service check” on page 2-60.
201.07 Exit sensor is made early.
Possible causes:
• Damaged paper exit sensor or
paper exit sensor flag
• 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 “Exit sensor service check”
on page 2-127.
Error code Description Action

Lexmark C734dn Specifications

General

Brand	Lexmark
Model	C734dn
Category	Printer
Language	English