Toshiba FC-22 manual Toner offset Feeding direction

(6) Toner offset

Feeding direction

Toner offset (Shadow image appears approx. 195 mm behind the high density image.)

Black solid

A p p r o x . 195mm

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.

*When adjusting printer section, perform "image quality control forced performing" and then "automatic adjustment of gamma correction".

FC-22 TROUBLESHOOTING 4 - 62 January 2000 © TOSHIBA TEC