Minolta EP1080 - FUNCTIONS of SWITCHES and OTHER PARTS on Pwbs; Master Board PWB-A

2
FUNCTIONS OF SWITCHES AND OTHER PARTS ON PWBs
Master Board PWB-A
TOTAL
GND MEMORY
PJ22 S1
1139D065AA
4
253
1
No. Symbol Name Resetting Function Remark
1
S1
Trouble
Reset
Switch
After correcting the
malfunction, press the
Trouble Reset Switch.
Resets a malfunction
including fusing
malfunctions.
A malfunction condition
of, or misfeed in, the
areas other than the
Fusing Section can be
reset by opening and
closing the Front Door
after the condition has
been cleared.
2
PJ22
Initialize
Points
While creating a closed
circuit across two
terminals of PJ22, turn
ON the Power Switch.
Clears the data other
than the program
memory, Counter
counts, User’s Choice,
Adjust, and zoom ratios.
Use these points only if a
malfunction is not reset
by turning OFF and ON
the Power Switch. When
these points are used, it
does not change the data
settings made in the field
as well as the factory-set
adjustment data.
3
MEMORY
Memory
Clear Test
Point
While creating a closed
circuit across the
Memory Clear pin and
GND pin, turn ON the
Power Switch.
•
Clears all data other
than the counter
counts, resetting it to
the initial data.
•
Use this point if a
malfunction condition is
not reset by using the
Initialize Points.
•
Initializes the data
settings made in the
field as well as the
factory-set
adjustment data.
•
After memory clear,
make the User’s Choice
settings and adjustment
data settings again.
4
TOTAL
Total Clear
Test Point
With the Power Switch
in the ON position,
close the circuit across
the Total Clear Point
and GND pin and keep
it closed for 1 sec.
Clears the counts of
the Electronic Counters
(including the Service
Counter).
Excludes the IU Counter.
5
GND
GND Test
Point
Ground used for total
clear and memory clear.
S-2