Ricoh Aficio IS420 Service Manual page 46

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SERVICE LEVEL FUNCTIONS
DIP SWITCH SETTINGS
Dip Switch
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
NOTE: If you change the position of the SCSI rotary switch during these
tests, be sure to put it back to the original position after you have
finished.
Item
Component test
mode
Sensor test mode
Self diagnostic
mode
ADF counter
indication
Book mode
counter indication
Xenon lamp on
time indication
EEPROM reset
mode
4-2
Contents
Each component can be tested; refer to
Table B later in this section.
DIP Switch 1 must be OFF.
Each sensor can be tested; refer to Table
C later in this section.
Results of the diagnosis are indicated
through a combination of the LEDs on the
covers; refer to Table D later in this
section and "Troubleshooting" in section 6.
The number of pages scanned in ADF
mode is indicated through a combination
of the SCSI rotary switch position and the
LEDs; refer to Table E later in this section.
(Unit= 1 sheet, Max. value= 2500K sheets)
The number of pages scanned in book
mode is indicated in the same way as
described above for ADF mode; refer to
Table E later in this section.
(Unit= 1 sheet, Max. value= 1000K sheets)
The total illumination time of the lamp is
indicated in the same way as above.
(Unit= 1 hour, Max. value= 3000 hours)
After the dip switches are set to on, and
the reset switch is held down for more
than 3 seconds, all LEDs are turned off,
and the data stored in the EEPROM is
cleared. (The EEPROM contains the book
mode, ADF mode, and xenon lamp
counter data.)
DIP Switch 1 must be OFF.
October 9th, 1995

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