Lexmark 7003-050 X340n, Service Manual

Page: 58 / 162

Diagnostic information
2-37
7003-XXX
Scan quality service checks
Image unclear
Irregular movement
No image
Problem Action
Scanner not properly calibrated Perform scanner calibration. Go to “” on page 3-8 .
Dirt on flatbed glass or calibration
reference plate Clean glass with isopropyl alcohol.
Black page If the MFP can print normal pages from the host PC see “CCD
service check” on page 2-20 .
Lamp too dark Perform CCD service check. See “CCD service check” on
page 2-20 .
Scanner not properly registered Perform scanner registration in diagnostics. Go to “Scanner
Registration” on page 3-7 .
Scanner not performing multipage
scans The WIA driver cannot multipage scan by default. Set the driver
for multipage, or use a TWAIN driver.
75 dpi images shift to left when
scanning to the network. Download EC1 network daughtercard update.
Problem Action
Flatbed motor failure Perform CCD service check. See “CCD service check” on
page 2-20 .
Loose belt Visually inspect the belt. If the belt is worn or loose, replace the
scanner base assembly.
Scanner Freezes (No message) Is the user using TWAIN and WIA (Microsoft Windows) scan
drivers simultaneously. These drivers cannot be used at the same
time.
Home position sensor failure See “CCD service check” on page 2-20 .
Skewed images from the ADF If there is skew on the last 3 or 4 inches of an image, ensure the
flatebed cover is properly closed.
Problem Action
Flatbed cover open Close the flatbed cover.
Flatbed motor failure See “CCD service check” on page 2-20 .
Scanner produces blank pages Replace the controller card.
Paper in ADF does not feed Go to “ADF service check” on page 2-19 .
Unable to scan to PC Check to see if the PC and MFP are connected on the network.
Go to “Network card service check” on page 2-26 .
manuals4u.com manuals4u.com