Toshiba e-STUDIO451c User Manual

June 2005 © TOSHIBA TEC

e-STUDIO281c/351c/451c ADJUSTMENT

3 - 5

(1) When unpacking

Prior to image dimensional adjustment, perform the “Automatic initialization of image quality con-
trol (05-396)” procedure.

(2) When any of the following parts is replaced, be sure to perform the “Automatic initialization of 

image quality control (05-396)” procedure.
• Photoconductive drum 

• Developer material 

• Laser optical unit

• Image quality sensor

• Transfer belt 

• 1st transfer roller

• 2nd transfer roller 

• Main charger 

• Main charger grid

• Drum cleaning blade 

• Drum cleaner brush

When performing "Automatic gamma adjustment" in addition, “Automatic initialization of image 
quality control (05-396)” should be done first.

(3) When performing "Automatic gamma adjustment" in cases no parts written above are replaced, 

do the “Forced performing of image quality closed-loop control (05-395)” procedure before "Auto-
matic gamma adjustment".

395

Forced performing of 

image quality closed-loop 

control

<Procedure>

1) While pressing [0] and [5] simultaneously, turn the power ON.

→ Adjustment Mode

2) Key in [395] and press the [START] button.

3) "WAIT" is displayed.

4) When the adjustment finishes normally, the equipment returns to the 

initial state of Adjustment Mode. If an error has occurred, take appro-

priate action by referring to “5. TROUBLESHOOTING”.

396

Automatic initialization of 

image quality control

<Procedure>

1) While pressing [0] and [5] simultaneously, turn the power ON.

→ Adjustment Mode

2) Key in [396] and press the [START] button.

3) "WAIT" is displayed.

4) When the adjustment finishes normally, the equipment will return to 

initial state of the Adjustment Mode. If an error has occurred, take 

appropriate action by referring to “5. TROUBLESHOOTING”.