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