Adjustment Procedure; Automatic Adjustment Of The Auto-Toner Sensor - Toshiba 1550 Service Manual

C. Adjustment Procedure
1. Automatic adjustment of the auto-toner sen-
sor
(1) When the power switch is turned on, the
auto-toner sensor is automatically adjusted
by the following procedure.
(2) "UA" is shown on the copy quantity display
and the PRINT key lights in red.
And the automatic adjustment of the auto-
toner sensor starts.
(3) The machine starts its operation. The out-
put value of the toner sensor is shown on
the display and changes quickly.
(4) About 2 minutes and 30 seconds later, the
value on the display stabilizes at 23 – 25.
(5) About 30 seconds later, the automatic ad-
justment of the auto-toner sensor is com-
plete and "UA" is shown on the copy quan-
tity display. Also, the ADD TONER
displayed.
(6) Open the front cover and install the toner
cartridge.
(7) Close the front cover.
• If the adjustment has finished abnor-
mally, the machine stops its operation
and displays the CALL SERVICE
. Then, for the subsequent ad-
justment of the auto-toner sensor, fol-
low the procedure described in the
Service Manual.
Mar. 1998 © TOSHIBA
1 2
4 5
7 8
0
C /
CLEAR/STOP
Power ON
is
Normal
Warm-up start
18 - 5
3
%
6
9
PRINT
%
%
During automatic
adjustment
%
Abnormal
%
%
Flashing Flashing
%
1550/1560 UNPACKING PROCEDURE
%