Sharp AL-1611 Service Manual page 40

Main Sub
Contents
code code
3 2
Shifter job separator sensor
operation check
<Not Used>
3
Shifter operation check
<Not Used>
4
Job separator operation
check
<Not Used>
11
Shifter Home Position check
<Not Used>
5 1
Operation panel display
check
2
Heater lamp lighting check,
cooling fan motor operation
check
3
Copy lamp lighting check
6 1 Paper feed solenoid opera-
tion check
10 Main cassette semi-circular
roller drive
7 1
Aging with warmup time dis-
play
4
Warmup saving
Details of operation
Used to check the sensors state in the shifter job separator with the LED on
the operation panel.
<Lighting at sensor ON>
Shifter HP sensor: Machine position JAM LED
Job separator HP sensor: SPF JAM LED
Paper exit full sensor: 2nd tray position JAM LED
Used to drive the shifter motor at the speed of printing of A4 (8-1/2 x 11").
Pressing the clear all key or interrupt key moves the shifter to the home posi-
tion.
Key operation
The shifter is moved to the home position: Clear all key, interrupt key
Used to drive the job separator one way. Pressing the clear all key or interrupt
key stops the job separator at the home position.
Key operation
Stops at the home position: Clear all key, interrupt key
Used to drive the shifter motor
Key operation
Feed: Exposure up key or "3" key
Return: Exposure down key or "4" key
Move to Home Position: Magnification ratio display key or "5" key
Used to light all LED's on the operation panel for 5 sec.
Used to turn ON the heater lamp for 500 msec and OFF for 500 msec 5 times.
At the same time, the cooling fan is rotated at a high speed. After checking the
heater lamp operation, the cooling fan motor rotate at a low speed.
Used to light the copy lamp for 10 sec.
When the start key is pressed, the selected paper feed solenoid is driven at
the cycle of 500 msec ON and 500 msec OFF 20 times.
Key operation
Solenoid selection: <Lighting at solenoid selection>
Tray select button
Main cassette paper feed solenoid:
Main cassette select LED
Multi manual paper feed solenoid:
Manual paper feed select LED
No. 2 cassette paper feed solenoid:
No. 2 cassette select LED
Resist roller solenoid:
Machine position JAM LED
No. 2 cassette transport solenoid:
No. 2 cassette position JAM LED
Excute the simulation with the developer cartridge removed, used to rotate the
semi-circular roller of the main cassette one turn to face it downward.
Execute the simulation input with the copier side cover open, then close the
side cover, and the machine will start warming up. Warm up time is counted
up every 2nd and it is displayed. After completion of warmup, count up is ter-
minated. When the clear all key is pressed ready lamp is lighted and the copy
quantity is entered and the start key is pressed, copying is made to make the
set quantity of copies. At that time, the paper size does not matter.
Key operation
Copy quantity setting: Copy quantity keys
Used to bring the machine to the ready state without warmup.
AL-1611/AL-1622 SIMULATIONS
8 – 3
Display
Display
Initial
Set range
value
1 ~ 99
1 ~ 99