Sharp AR-651 Service Handbook page 46

Code Items to adjust
200 Automatic adjustment of auto-toner
sensor (Fuser heater ON)
201 Correction of auto-toner sensor
(Fuser heater ON)
205 Developer bias DC output adjustment
206 Developer bias actual value
210 Main charger grid bias output adjust-
ment
211 Main charger grid bias actual value
221 Transfer transformer DC output ad-
justment/center value
242 Control status of the drum surface
potential sensor
268 Image quality control
Display of the exposure corrected value
269 Image quality control
Display of limiter flag
290 Enforced performing of Image quality
control
291 Image quality control
Control status display
AR-651/810 ERROR CODES AND SELF-DIAGNOSIS 2 - 22
Adjustment mode (05)
Accept-
Function Default able
value
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
Contents
- 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 meas-
ured.
* When carrying out an adjustment,
close the front cover and be
careful not to touch the high-
voltage section.
Operation
procedure
6
3
3
2
3
2
3
2
2
2
6
2