Lexmark 4090-001 Service Manual page 24

4090-001
FRU
5 Paper Feed
6 Transport
7 Alignment
2-13
Action
Ink smudging and smearing can be caused by
paper problems or problems in the paper feed
area.
Check the following:
• Correct type of paper is being used. Also check
the paper for curl or wrinkles.
• Feed rollers for wear, dirt, or looseness.
• Gears for wear or binds.
• Paper path for obstructions.
Blurred print and voids can be caused by problems
in the transport area. Check the following:
• Transport belt for wear.
• Carrier guide rod for wear or dirt.
• Carrier to carrier frame engagement should be
lubricated with grease P/N 1329301.
Do not lubricate the carrier guide rod or
carrier bearing surfaces.
• Idler pulley parts for wear, damage, or
looseness.
• Encoder strip for wear or dirt.
Uneven vertical lines can be adjusted by
performing the bidirectional alignment. The user is
directed, through the Printer Control program, to
perform the head to head and bidirectional printing
alignments, when replacing a print cartridge.