Sharp AR-337 Service Manual - Page 16

Image process Photoconductor/Developing/Transfer

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AR-287/337 AR-407/507 8 -2 Purpose Adjustment/Operation test/check Function (Purpose) Section Operation/ Procedure Used to check and adjust the operation of the main charger grid voltage in each print mode and the control circuit. (for OPC drum type B) Image process (Photoconductor/Developing/Transfer/ Cleaning) (The charging/grid output voltage in each print mode can be adjusted and checked.) 1. Select the print mode with [­] key and [¯]key. 2. Enter the adjustment value with the 10-key pad. 3. Press the [EXECUTE] key. The [EXECUTE] key is highlighted, the adjustment value entered in procedure 2 is set, and the voltage corresponding to the set value is supplied. After supplying the voltage for 30 sec, the [EXECUTE] key returns to the normal display. If the [EXECUTE] key is pressed while the voltage is supplied, the voltage output is stopped and the [EXECUTE] key returns to the normal display. (AR-287/337/407) AUTO CHARA : Auto mode : Character mode * (602) (-603 ±5V) * (602) (-603 ±5V) CHARA PHOTO : Character/Photo mode * (602) (-603 ±5V) PHOTO : Photo mode * (602) (-603 ±5V) PRINTER * ( ): Default : Printer mode * (602) (-603 ±5V) 8 -6 Purpose Adjustment/Operation test/check Function Used to check and adjust the transfer charger current (Purpose) and the control circuit. Section Operation/ Procedure Image process Copy (Photoconductor/ Developing/Transfer/ Cleaning) The transfer charger output voltage in printing the front and the back of paper can be adjusted and checked. 1. Select the print mode with [­] key and [¯] key. 2. Enter the adjustment value with the 10-key pad. 3. Press the [EXECUTE] key. The [EXECUTE] key is highlighted, the adjustment value entered in procedure 2 is set, and the voltage corresponding to the set value is supplied. After supplying the voltage for 30 sec, the [EXECUTE] key returns to the normal display. If the [EXECUTE] key is pressed while the voltage is supplied, the voltage output is stopped and the [EXECUTE] key returns to the normal display. FROMT MODE: Front surface print (with the paper feed tray and manual paper feed tray) BACK MODE: Back surface print (with duplex paper feed) (AR-287/337) (AR-507) AUTO CHARA CHARA PHOTO PHOTO PRINTER * ( ): Default : Auto mode : Character mode : Character/Photo mode : Photo mode : Printer mode * (560) (-570 ±5V) * (635) (-645 ±5V) * (635) (-645 ±5V) * (635) (-645 ±5V) * (635) (-645 ±5V) (AR-407) (AR-507) 3/13/2000 7 - 52

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8
-2
Purpose
Adjustment/Operation test/check
Function
(Purpose)
Used to check and adjust the operation of the main
charger grid voltage in each print mode and the control
circuit. (for OPC drum type B)
Section
Image process (Photoconductor/Developing/Transfer/
Cleaning)
Operation/
Procedure
(The charging/grid output voltage in each print mode
can be adjusted and checked.)
1.
Select the print mode with [
›
] key and [
fl
]key.
2.
Enter the adjustment value with the 10-key pad.
3.
Press the [EXECUTE] key.
The [EXECUTE] key is highlighted, the adjustment value entered in
procedure 2 is set, and the voltage corresponding to the set value is
supplied.
After supplying the voltage for 30 sec, the [EXECUTE] key returns to
the normal display.
If the [EXECUTE] key is pressed while the voltage is supplied, the
voltage output is stopped and the [EXECUTE] key returns to the nor-
mal display.
(AR-287/337/407)
AUTO
: Auto mode
* (602) (–603
–
5V)
CHARA
: Character mode
* (602) (–603
–
5V)
CHARA PHOTO
: Character/Photo mode
* (602) (–603
–
5V)
PHOTO
: Photo mode
* (602) (–603
–
5V)
PRINTER
: Printer mode
* (602) (–603
–
5V)
* (
): Default
(AR-507)
AUTO
: Auto mode
* (560) (–570
–
5V)
CHARA
: Character mode
* (635) (–645
–
5V)
CHARA PHOTO
: Character/Photo mode
* (635) (–645
–
5V)
PHOTO
: Photo mode
* (635) (–645
–
5V)
PRINTER
: Printer mode
* (635) (–645
–
5V)
* (
): Default
8
-6
Purpose
Adjustment/Operation test/check
Function
(Purpose)
Used to check and adjust the transfer charger current
and the control circuit.
Section
Image process
(Photoconductor/
Developing/Transfer/
Cleaning)
Copy
Operation/
Procedure
The transfer charger output voltage in printing the front
and the back of paper can be adjusted and checked.
1.
Select the print mode with [
›
] key and [
fl
] key.
2.
Enter the adjustment value with the 10-key pad.
3.
Press the [EXECUTE] key.
The [EXECUTE] key is highlighted, the adjustment value entered in
procedure 2 is set, and the voltage corresponding to the set value is
supplied.
After supplying the voltage for 30 sec, the [EXECUTE] key returns to
the normal display.
If the [EXECUTE] key is pressed while the voltage is supplied, the
voltage output is stopped and the [EXECUTE] key returns to the nor-
mal display.
FROMT MODE:
Front surface print (with the paper feed tray and
manual paper feed tray)
BACK MODE:
Back surface print (with duplex paper feed)
(AR-287/337)
(AR-407)
(AR-507)
AR-287/337
AR-407/507
3/13/2000
7 – 52