Sharp AL-1000 Service Manual page 69

Main code Sub code
51 2 * Machine with the multi manual paper feed unit installed
* Machine with the single manual paper feed unit installed
61 3 Polygon motor (HSYNC output) check
(Operation/Procedure)
When the START key is pressed, HSYNC is performed and the polygon motor is rotated for 30 sec.
At that time, the Zoom lamp is lighted for 100msec e3very time when HSYNC is detected.
63 1 Shading check
(Outline)
Used to display the detection level of the white plate for shading. (Vref of AD conversion IC is fixed.)
(Operation/Procedure)
When the START key is pressed, the mirror base unit moves to the white plate for shading and Vref+ voltage of
AD conversion IC is set to 4.5V and Vref- voltage to 0.5V, and the copy lamp is lighted.
This state is kept for 10 sec, and the level of one pixel at the center is detected every second to display on the
value display section.
64 1 Self print by engine only (1 by 2 mode)
(Outline)
Used to print the set quantity in 1 by 2 mode ignoring the optical system state.
(Operation/Procedure)
1. When this simulation is executed, warming up is performed and the ready lamp is lighted.
2. Enter the copy quantity with the 10-key, select the cassette with the cassette select key, and press the START
key. Paper is fed from the cassette and printing is performed.
In 1 by 2 print mode, one line is printed and the following two lines are not printed.
Adjustment mode
Main cassette paper feed
2nd cassette paper feed
Manual paper feed
SPF/Resist
Adjustment mode
Main cassette paper feed
Manual paper feed
SPF/Resist
10-10
Contents
Lamps ON
AE, main cassette lamp
AE, 2nd cassette lamp
AE, manual feed lamp
AE, TEXT, PHOTO lamp
Lamps ON
AE, main cassette lamp
AE (Blink)
AE, TEXT, PHOTO lamp
AL-1000/1010