Toshiba e-Studio 222CP

5. Print quality problems appear periodically

5.1 Print quality problems appear vertically and periodically.

Check item	Check operation	Actions for NG results
Cycle
Image drum	Check if the cycle is 94.3 mm.	Replace any applicable ID unit.
Developing roller	Check if the cycle is 30.2 mm.	Replace any applicable ID unit.
Toner supply roller	Check if the cycle is 43.1 mm.	Replace any applicable ID unit.
Charging roller	Check if the cycle is 29.9 mm.	Replace any applicable ID unit..
Roller above the fuser	Check if the cycle is 85.4 mm.	Replace any applicable fuser unit.
Fuser belt	Check if the cycle is 94.2 mm.	Replace any applicable fuser unit.
Transfer roller	Check if the cycle is 37.7 mm.	Replace the belt unit.
		When using any new consumable as a try, select FUSE KEEP MODE of the system maintenance menu.

6. Color misregistration is significant.

6.1 The message “Adjusting color” displayed at power on stays for a short time.

Check item	Check operation	Actions for NG results
Color registration adjustment result
Time of color registration adjustment (if it is normal, correction takes about 40 seconds)	Execute REG ADJUST TEST in the selfdiagnostic mode and check the result. Even if an error has occurred, it is not displayed when ON LINE is displayed.	Replace the sensor if the result shows NG. Clean the sensor. Replace the shutter. Replace the CU/PU board.
Toner
Remaining toner amount	Check the operator panel if it displays “Prepare to replace the toner cartridge” or “Replace the toner cartridge.”	Replace an applicable toner cartridge with a new one.
Color registration sensor
Dirty sensor	Check the sensor if it is dirty with toner or paper dust.	Wipe them off.
Color registration sensor shutter
Malfunction of the shutter	Check shutter operation in the self-diagnostic mode.	Replace the shutter or repair the mechanism.

6.2 Although the REG ADJUST TEST result of the engine maintenance function is OK, color misregistration occurs.

Check item	Check operation	Actions for NG results
Feeding system
Paper feed state in the paper feed path	Check the paper feed path if there is something that blocks the paper in the paper feed path.	Remove the blocking object.