Sharp SF-2040 Service Manual page 110

Main code Sub code
01 01 This is the test command used to test the optical system. The mirror base automatically starts to scan.
(1) With depression of the PAUSE key, the control moves from the test command mode to be ready to
(2) When the PRINT key is pressed while the RPL is active, the status lamp turns off and the test
(3) If the door is opened while the operation is in process, the operation is interrupted with status "CH"
02 This is the test command used to test the optical system sensors. When the test command starts and
the sensor turns on and the display reverses, it starts to test the on/off action of a optical system
sensor.
03 Used to test the zoom lens movement.
•
The zoom ratio is displayed on the zoom ratio window.
AB series machine
Inch series machine
04 Used to test the zoom lens in the aging test mode.
•
Test command 01-03 are repeated to test.
02 01 Used to test the action of the RADF. The aging test starts when the document presence sensor is
manually turned on.
02 This is the test command used to test RADF sensors. On/off state of sensor can be manually tested.
When the sensor turns on, the display reverses.
Sensing presence of document
Reverse display: Paper presence/Door open, Normal display: No paper/Door closed
03 Used to test the action of RADF (individual load check)
Motor A forward rotation
04 Motor A revere rotation
05 Motor B forward rotation
06 Motor B revere rotation
07 Belt clutch
08 Paper feed solenoid
09 Inversion solenoid
10 Shutter solenoid
11 Brake clutch
execute it. The READY pilot lamp (RPL) comes active with the zoom ratio at 100%. It is possible to
change the zoom mode using the ZOOM key.
command starts to execute. The mirror base moves to scan in the zoom ratio at that time.
prompted. Closing the door will start the operation all over again from its initial step.
RE Mirror rotary encoder pulse (RE) input
MHPS Mirror home position sensor
LHPS Lens home position sensor
MPHPS No.4/5 mirror home position sensor
100%
115%
100%
121%
DSD
Sensing pre-fed document
DFD
Sensing document release
RDD
Sensing document width
DWS
Description
Active status lamp
50% 70% 81%
122% 141%
50% 64% 77%
129% 141%
Sensing DF block open/close
AUOD
Sensing paper feed block
open/close
FGOD
Sensing paper inversion block
open/close
TGOD
8 – 4
86%
200%
95%
200%
Sensing document width
DWS1
Sensing document width
DWS2
Sensing document width
DSW3
Sensing document width
DSW4
Sensing document length
DLS1
Sensing document length
DLS2
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