Brother HL-4200CN Service Manual page 292

<Paper skew>
Fig.5-29
Condition:
Image is printed in skewed position.
Initial check:
Parts of different specifications, improper installation, damage, deformation, dirt, foreign
substance attached, etc.
Major parts to be checked:
Paper feeder, Chute ASSY REGI, Chute ASSY out, Transfer roll cartridge ASSY, Print
head cartridge ASSY, Fuser ASSY, Scanner ASSY
Item Check
Faulty paper loading
1 Check if paper is loaded or paper cassette is set
correctly.
Faulty paper transfer path
2 Check the paper transfer path for presence of burrs,
foreign substances or dirt.
Faulty paper feed rolls
3 Check if the paper feed rolls feed the paper
normally.
Faulty paper transfer rolls
Check the paper transfer rolls for evidence of
4
foreign substances, dirt, deformation, or
malfunction.
Faulty scanner ASSY
5 Is the image quality improved if scanner ASSY is
replaced?
Faulty print head cartridge ASSY
6 Is the image quality improved if print head cartridge
ASSY is replaced?
V-86
Remedy
Load paper/Set paper
cassette correctly.
Clean or replace the
parts concerned.
Clean or replace the
parts concerned.
Clean or replace the
parts concerned.
Replace the scanner
ASSY
Replace the print head
cartridge ASSY