Adjustment Of The Auto-Toner Sensor - Toshiba e-STUDIO 5540C Service Manual

6.1.2

Adjustment of the Auto-Toner Sensor

When replacing the developer material, adjust the auto-toner sensor with the following procedure.
(1) Take off the drum cleaner unit.
(2) Take off the developer unit.
(3) Discharge the developer material.
(4) Install the drum cleaner unit and developer unit in the EPU tray.
(5) Take off the sub-hopper unit and install the developer cartridge.
Notes:
Adjustment cannot be done if the sub-hopper unit is installed.
(6) While pressing [0] and [5] simultaneously, turn the power ON. The following message will be
displayed.
[ 0 ] [ 5 ]
[ POWER ]
(7) Key in a code and press the [START] button.
Code 2400: All developer materials 2401: Developer material (Y)
2403: Developer material (C) 2404: Developer material (K)
100%
TEST MODE
(8) The message "Has developer in the developer unit run out?" appears on the display.
If there is no problem, press the [YES] button on the display.
(9) The message "Have the [**] developer cartridges been installed?" appears on the display. If there
is no problem, press the [YES] button on the display. Tip: "**" varies as follows depending on the
code you have entered.
Code 2400: 4 colors (Y, M, C, K)
2403: Cyan
Notes:
Be sure that the developer material in the developer unit is completely empty before you press
[YES]. If you press [YES] while developer material still remains, it will overflow and thus may lock
the developer unit.
(10) The message "Supplying developer." appears on the display and developer material is filled in
the developer unit for approx. 90 sec.
e-STUDIO5540C/6540C/6550C/5560C/6560C/6570C
SETTING ADJUSTMENT
100%
TEST MODE
Fig.6-2
( Code )
2400
A3
Fig.6-3
2401: Yellow
2404: Black
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6 - 2
A
A3
2402: Developer material (M)
2406: Developer materials
(Y, M, C)
[ START ]
2402: Magenta
2406: 3 colors (Y, M, C)