Lexmark X642e - Scanner-ADF Symptoms; Scanner-Flatbed Symptoms; Scanner-Scan Quality; High-Capacity Feeder (2000-Sheet) Symptoms

Diagnostic information 2-11
7002-xxx
Printer—vertical black bands on edge of
copy (print quality)
Go to “Print quality—black bands on outer edges of the
page” on page 2-163.
Unable to clear a 32-Unsupported Print
Cartridge user error message.
Go to “Signature button assembly service check” on
page 2-170.
Scanner—ADF symptoms
Symptom Action
ADF does not recognize paper length in the
paper tray
Go to “ADF paper length sensor service check—models
X644e/X646e” on page 2-122.
ADF does not recognize one or all paper
widths of paper in the paper tray
Go to “ADF paper width sensor service check—models
X644e/X646e” on page 2-123.
Scanner—flatbed symptoms
Symptom Action
Flatbed scanner does not recognize paper
size.
Go to “Flatbed size sensor service check” on page 2-131.
A blue screen on the touchscreen. The
MFP does not come to a Ready state.
Go to “843.xx Error code service check” on page 2-116
A clicking noise coming from the back of
the MFP between the scanner and the
printing unit.
Go to “843.xx Error code service check” on page 2-116
Scanner—scan quality
Symptom Action
Vertical streaks or lines on image Go to “Vertical streaks or lines on image” on page 2-165
All black or blank page Go to “All black or blank image” on page 2-168
Wavy lines—flatbed or mixed mode up to
300 dpi
Go to “Wavy lines” on page 2-169
Line compression Go to “Line compression” on page 2-169
High-capacity feeder (2000-sheet) symptoms
Symptom Action
The printer does not recognize the high-
capacity feeder installed.
Go to “High-capacity feeder input tray service check” on
page 2-141.
Paper feed problem with the high-capacity
feeder.
Go to “High-capacity feeder input tray service check” on
page 2-141.
Printer symptoms (continued)
Symptom Action