Toner Offset - Toshiba FC-22 Manual

(6) Toner offset

Toner offset (Shadow image appears approx. 195 mm behind the high density image.)
Cause/Defect area
Density
Fuser unit
Paper
Developer material
Scanner
Printer section
Printer density error *
Image quality control
* When adjusting printer section, perform "image quality control forced performing" and then "automatic adjustment of gamma
correction".
FC-22 TROUBLESHOOTING
Step Check items
1 Is density too high?
2 Is fuser roller pressure proper?
3 Is thermostat contact good?
4 Is there scratch on the fuser roller
surface?
5 Did fuser roller life end?
6 Is fuser roller temperature proper?
7 Check paper thickness and its mode.
8 Is non-recommended paper used?
9 Is specified developer used?
10 Are mirrors or original glass
or lens filter dirty?
11 Check printer image.
12 Is printer density too high?
13 Is the control activated?
Measures
Perform automatic adjustment of
gamma correction.
Check pressure removal parts and
pressure mechanism.
Establish contact.
Replace fuser roller.
Replace fuser roller.
Check control circuit.
Select proper mode.
Advise to use recommended paper.
Use specified developer and toner.
Clean them.
Check test print image (04-231).
Perform image quality control forced
perfoming (05-878).
Check test print image (04-231).
Check image quality control related codes.
4 - 62
Black solid
A p p r o x .
195mm
Shadow image
Remarks
See next steps
12 and 13 if
defect occurs.
Repeat a few
times if
necessary.
January 2000 © TOSHIBA TEC