Sharp SF-2050 Service Manual page 121

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Main
Sub
Item
code
code
44
1
Process control
inhibit/allow setting
2
Drum marking
sensor output
adjustment
3
Process control
sensor output
adjustment
4
Process control
reference value
registration
7
Process ID/mark
sensor LED light
quantity check
Contents
When the sub code is entered, the current setting of process
control inhibit/allow is displayed on the copy quantity display.
With the RPL on, enter the set value of proces control in-
hibit/allow with the 10-key and press the START key to store
the setting.
SIMULATION NO. 44-1
A.
B.
Set
Process
Dirt
value
control
correction
correction
|
0
|
1
2
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3
4
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5
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6
7
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8
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9
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10
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11
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12
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13
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14
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15
When the sub code is entered, the drum rotates and the drum
marking sensor level is displayed on the copy quantity display
to allow the sensor output adjustment with the variable resistor
on the process control PWB in the front side of the machine.
(Drum marking sensor output, VR1/VR3; Adjustment value,
123-233)
When the sub code is entered, the drum rotates and the
process control sensor level is displayed on the copy quantity
display to allow the sensor output adjustment with the variable
resistor on the process control PWB in the front side of the
machine. (Process control sensor output, VR2/VR4; adjust-
ment value, 668 ∼ 988)
When the sub code is entered, the density correction value is
displayed on the copy quantity display. With the RPL on, enter
the density correction data with the 10-key pad and press the
START key to store the data.
When the sub code is entered, the LCD shows the following
display to allow checking of the output level of the drum mark-
ing sensor and the process control sensor.
SIMULATION NO. 44-7
DMS/IDS SENSOR LEVEL CHECK.
DM . . . . . . mmm
ID . . . . . . . nnn
DM: Drum marking sensor output level (Specified range: 123
∼ 233)
ID : Process control sensor output level (Specified range: 668
∼ 998)
If the output level is outside the specified range, execute
simulation No. 44-2 (Drum marking sensor output adjustment)
or simulation No. 44-3 (Process control sensor output adjust-
ment).
9 – 28
C.
D.
Film wear
Toner
correction
density
correction
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|: Enable
: Inhibit
Japan: 130
EX
Adjustment value
Ref. page
Adjustment
Default
scope
1 ∼ 5
15
170 ±10
P. 8 – 23
815 ±15
P. 8 – 24
: 100

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