Scan Quality Service Checks; Image Unclear; Irregular Movement; No Image - Lexmark X342N - Multi Function Printer Service Manual

Scan quality service checks

Image unclear

Problem
Scanner not properly calibrated
Dirt on flatbed glass or calibration
reference plate
Black page
Lamp too dark
Scanner not properly registered
Scanner not performing multipage
scans
75 dpi images shift to left when
scanning to the network.

Irregular movement

Problem
Flatbed motor failure
Loose belt
Scanner Freezes (No message)
Home position sensor failure
Skewed images from the ADF

No image

Problem
Flatbed cover open
Flatbed motor failure
Scanner produces blank pages
Paper in ADF does not feed
Unable to scan to PC
Action
Perform scanner calibration. Go to
Clean glass with isopropyl alcohol.
If the MFP can print normal pages from the host PC see
service check" on page
Perform CCD service check. See
page 2-20.
Perform scanner registration in diagnostics. Go to
Registration" on page
The WIA driver cannot multipage scan by default. Set the driver
for multipage, or use a TWAIN driver.
Download EC1 network daughtercard update.
Action
Perform CCD service check. See
page 2-20.
Visually inspect the belt. If the belt is worn or loose, replace the
scanner base assembly.
Is the user using TWAIN and WIA (Microsoft Windows) scan
drivers simultaneously. These drivers cannot be used at the same
time.
See "CCD service check" on page
If there is skew on the last 3 or 4 inches of an image, ensure the
flatebed cover is properly closed.
Action
Close the flatbed cover.
See "CCD service check" on page
Replace the controller card.
Go to "ADF service check" on page
Check to see if the PC and MFP are connected on the network.
Go to "Network card service check" on page
"" on page 3-8.
2-20.
"CCD service check" on
"Scanner
3-7.
"CCD service check" on
2-20.
2-20.
2-19.
2-26.
Diagnostic information
7003-XXX
"CCD
2-37