Gestetner A193 Service Manual page 176

Mode No.
Class
Class 3
1 and 2
Charge Roller
Cleaning
2-909
Transfer
Roller
2-910
Cleaning
Image Density
Selection
2-911*
Charge Roller
Temperature
2-912*
Correction
Auto TD
Sensor Initial
Setting Mode
2-913*
Light charater
density control
2-916*
Humidity
2-980 Sensor Output
Display
TD Sensor
Control Value
1 Display
(Factory)
2-995*
Factory
V
CONT
Counter
2
SM
Function
Forces charge roller cleaning.
After selecting "1", press Enter or
ö
start this feature. Press
Forces transfer roller cleaning.
After selecting "1", press Enter or
ö
start this feature. Press
Selects the humidity coefficients for
determining V and V
TREF TE
sensor initial setting output.
This setting can be adjusted by the key
operator to make image density lighter or
darker (see Replacement and Adjustment
- Image Density Adjustment by Key
Operator).
Corrects the charge roller temperature.
If a copy with a dirty background is made,
this value should be increased. However,
do not use this SP mode unnecessarily.
Selects whether or not the TD sensor
initial setting process is performed
automatically at installation.
Select "No" if the PCU detection
mechanism has a problem. However,
usually do not use this SP mode.
Selects the printer γ table (GAVD) type.
This SP mode is only effective in the
grayscale processing mode.
A larger value gives a darker image.
Displays the humidity sensor output data
in hex code as %Rh. Press clear modes
to exit.
Displays the TD sensor control value
(V ), which was adjusted in the
CONT
factory. The machine normally uses this
value, unless SP 2-999 is changed away
from 0.
Displays the total counter value when the
TD sensor control value was adjusted in
the factory.
When V is adjusted at the factory,
CONT
the counter is automatically set at
"9999999".
4-11
SERVICE PROGRAM MODE
Settings
0: No
ù
1: Yes
to
to stop.
0: No
ù
1: Yes
to
to stop.
0: Darker
from the TD 1: Dark
2: Normal
3: Light
4: Lighter
-5 ~ +5
1 (25V)/step
0
0: No
1: Yes
1 ~ 4
1/Step
2
(A193)