Adjustment Of Auto-Toner Sensor - Toshiba e-STUDIO650 Service Handbook

3. 2. Adjustment of Auto-toner Sensor

Note: Check if the cleaning blade is pressed against the drum before performing this adjustment.
<Procedure> (Adjustment mode (05-200))
(1) Install the cleaner and developer unit in the copier (the cleaning blade is in contact with the drum).
(2) Turn ON the power while the digital keys "0" and "5" are pressed simultaneously.
The following is displayed on the control panel.
[0][5]
[POWER]
(3) Enter "200" using the digital keys and press the [START] key.
The display changes as follows.
[200] [START]
Note: : indicates the controlled value of the auto-toner sensor output. Press the Up or Down icon to
change the value.
: indicates the output voltage of the auto-toner sensor (2.30 V in the above case).
The drum, developer unit, etc. are in operation.
: indicates the latest adjustment value.
(4) After about two minutes, the value
(5) After the automatic adjustment has finished normally, the value
changes as follows.
e-STUDIO550/650/810 ADJUSTMENT
A
100%
TEST MODE
B
230% 200
TEST MODE
128
C
changes to "0".
0% 200
TEST MODE
128
B
240% 200
ADJUSTMENT MODE
128
3 - 2
A3
A3
128
A
A3
WAIT
128
becomes stable and the display
A3
150
A
June 2002 © TOSHIBA TEC