Sharp MX-M264U Service Manual page 86

8
8-1
Purpose Operation test/check/adjustment
Function (Purpose) Used to check and adjust the operations of
the developing voltage in each print mode
and the control circuit.
Section Process (Developing)
Operation/Procedure
1) Select a mode with [TS_OFF] and [TS_ON] keys on the touch
panel.
2) Select a target item to be adjusted with scroll keys.
3) Enter the setting value with 10-key. (The value specified on the
label of the high voltage PWB must be entered.)
* When the key is pressed, the setting value of each
item can be changed with 1up (1down) collectively.
4) Press [EXECUTE] key.
The set value is saved and the voltage entered with step 3) is
output for 30 sec.
When [EXECUTE] key is pressed, the output is terminated.
Item/Display (Mode)
TS_OFF A COPY Developing bias
DVB set value in a
copy job (Toner
save mode OFF)
B PRINTER Developing bias
FAX DVB set value in a
PRINT/FAX job
(Toner save
mode OFF)
TS_ON A COPY Developing bias
DVB set value in a
copy job (Toner
save mode ON)
B PRINTER Developing bias
DVB set value in a
print job (Toner
save mode ON)
Adjustment Default
Content
range value
0 - 650 450
0 - 650 450
0 - 650 320
0 - 650 250
MX-M264U SIMULATION 6 – 12
8-2
Purpose Operation test/check/adjustment
Function (Purpose) Used to check and adjust the operation of
the main charger grid voltage in each
printer mode and the control circuit.
Section Process (Charging)
Operation/Procedure
1) Select a mode with [TS_OFF] and [TS_ON] keys on the touch
panel.
2) Select a target item to be adjusted with scroll keys.
3) Enter the adjustment value with 10-key. (The value specified
on the label of the high voltage PWB must be entered.)
* When the key is pressed, the setting value of each
item can be changed with 1up (1down) collectively.
4) Press [EXECUTE] key.
The set value is saved and the voltage entered with step 3) is
output for 30 sec.
When [EXECUTE] key is pressed, the output is terminated.
Item/Display (Mode) Content
TS_OFF A COPY Charging/grid
GB bias set value in
a copy job (Toner
save mode OFF)
B PRINTER Charging/grid
FAX GB bias set value in
a PRINT/FAX job
(Toner save
mode OFF)
TS_ON A COPY Charging/grid
GB bias set value in
a copy job (Toner
save mode ON)
B PRINTER Charging/grid
GB bias set value in
a print job (Toner
save mode ON)
Adjustment Default
range value
0 - 750 590
0 - 750 590
0 - 750 460
0 - 750 390