e-STUDIO550/650/810 ERROR CODES AND SELF-DIAGNOSIS
2 - 22
JUNE 2002 © TOSHIBA TEC
Adjustment mode (05)
Accept-
Code
Items to adjust
Function Default
able
Contents
value
200
201
205
206
210
211
221
242
268
269
290
291
Automatic adjustment of auto-toner
sensor (Fuser heater ON)
Correction of auto-toner sensor
(Fuser heater ON)
Developer bias DC output adjustment
Developer bias actual value
Main charger grid bias output
adjustment
Main charger grid bias actual value
Transfer transformer DC output adjust-
ment/center value
Control status of the drum surface
potential sensor
Image quality control
Display of the exposure corrected value
Image quality control
Display of limiter flag
Enforced performing of Image quality
control
Image quality control
Control status display
ALL
–
–
ALL
–
0~255
ALL
141
0~255
ALL
–
0~255
ALL
112
0~255
ALL
–
0~255
ALL
175
0~255
ALL
0
0~255
ALL
0
-255
~255
ALL
0
0~255
ALL
–
–
ALL
0
0~255
- As the value increases, the
sensor output increases
correspondingly.
- The value starts changing
approx. 2 minutes after this
adjustment was started and is
automatically set in the range of
2.45 to 2.55V.
(
Chapter 3.2.)
As the value increases by “1”,
output from the transformer
increases correspondingly.
(
Chapter 3.5.)
The developer bias value at the
latest printing is displayed.
As the value increases by “1”,
output from the transformer
increases correspondingly.
(
Chapter 3.5.)
The main charger grid bias value
at the latest printing is displayed.
The voltage for the transfer belt
power supply roller can be
adjusted but cannot be
measured.
* When carrying out an adjustment,
close the front cover and be
careful not to touch the high-
voltage section.
6
3
3
2
3
2
3
2
2
2
6
2
Operation
procedure