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February 2002 © TOSHIBA TEC 2 - 7 FC-210/310 ADJUSTMENT
2.3 Adjustment of Image Quality Control
(1) At the time of unpacking
Prior to image dimensional adjustment, perform the “Automatic initialization of image quality control
(05-879)” procedure.
(2) When any of the following parts is replaced, be sure to perform the “Automatic initialization of image
quality control (05-879)” procedure.
• Processing unit (EPU) • Transfer belt unit (TBU) • Photoconductive drum
• Developer material • Laser optical unit • Image quality sensor
Note: When performing "Automatic gamma adjustment" in addition, “Automatic initialization of image quality
control” should be done first.
(3) When performing "Automatic gamma adjustment" in cases other than the above ones, do the “Forced
performing of image quality control (05-878)” procedure before "Automatic gamma adjustment".
Code Adjustment item Contents
878 Forced performing of <Procedure>
image quality control (1) While pressing [0] and [5] simultaneously, turn the power ON. ৎ
Adjustment mode
(2) Enter [878] with digital keys and press the [START] key.
(3) When the adjustment finishes normally, the copier will return to
the adjustment mode’s initial state.
If an error has occurred, take appropriate action by referring to
“4. TROUBLESHOOTING”.
879 Automatic initialization of <Procedure>
image quality control (1) While pressing [0] and [5] simultaneously, turn the power ON. ৎ
Adjustment mode
(2) Enter [879] with digital keys and press the [START] key.
(3) When the adjustment finishes normally, the copier will return to
the adjustment mode’s initial state.
If an error has occurred, take appropriate action by referring to
“4. TROUBLESHOOTING”.