HP LaserJet 4345 Multifunction Printer series - Manual (Page 246)

Page skew (ADF)
A skewed image can indicate that the clear mylar strip in the ADF is dirty, the ADF needs to
be calibrated, or the ADF input tray guides are not correctly adjusted.
1. Make sure the ADF input tray guides are adjusted so that they are lightly touching the
sides of the paper stack.
2. If the mylar strip is dirty or worn, replace it. Replacement mylar strips are stored in an
envelope that is underneath the white, vinly ADF backing. Follow the instructions that
are in the envelope.
3. If the problem persists, calibrate the scanner. See Calibrating the scanner .
Vertical lines (ADF)
Vertical lines can indicate that the components in the ADF are dirty or the ADF needs to be
calibrated.
1. Clean the ADF. See Cleaning the ADF delivery system .
2. If the mylar strip is dirty or worn, replace it. Replacement mylar strips are stored in an
envelope that is underneath the white, vinly ADF backing. Follow the instructions that
are in the envelope.
3. If the problem persists, calibrate the scanner. See Calibrating the scanner .
Image shifted (ADF)
232 Chapter 10 Solving problems ENWW