User guide

Print-Quality Problems
Phaser® 6128MFP Multifunction Printer
129
Partial blanks, creased
paper, or blotted printing
The paper is damp.
Replace the paper.
The paper is outside the recommended specification range.
Replace the paper with a recommended size and type. See About Paper on
page 45.
The transfer unit, or fuser, is not installed correctly.
Reinstall the transfer unit and/or fuser.
The toner cartridges are not Xerox toner cartridges.
Verify that the toner cartridges (C/M/Y/K) meet specifications, and replace
if necessary.
Condensation inside the printer causes partial blanks or creased paper.
Turn the printer on, and leave it on, for at least one hour to get rid of the
condensation. If the problems still occurs, see the Xerox Support website,
www.xerox.com/office/6128MFPsupport
, for assistance.
Vertical blanks The laser is being blocked.
Remove the imaging unit and clean all debris from the laser len(s) with a lint
free cloth.
The toner cartridges are not Xerox toner cartridges.
• Check the condition of the toner cartridge, and replace as necessary.
Verify that the toner cartridges (C/M/Y/K) meet specifications, and replace
if necessary.
Slanted printing The paper guides in the Paper Tray are not set correctly.
Reset the paper guides in the Paper Tray. See Loading Paper on page 48.
If you are using the manual feed slot, and it is not printing property, use the
paper tray.
Horizontal bands,
approximately 22 mm
wide, appear vertically
every 73 mm
The imaging unit has been exposed to too much light; possibly from leaving
the front door open too long.
Replace the imaging unit.
Colors are blurry or there
is white area around
objects
Color to color alignment is not correct.
Use the automatic color registration. See Color Registration on page 133.
Symptom Reason/Action