MX-4100N, MX-4101N, MX-5000N, MX-5001N (serv.man14). Service Manual-Section 6-Simulations - Sharp Copying Equipment Service Manual (repair manual). Page 17

Read Sharp MX-4100N / MX-4101N / MX-5000N / MX-5001N (serv.man14) Service Manual online

MX-4101N  SIMULATION  6 – 17
 
8
 
8-1
Purpose
Operation test/check/adjustment

Function (Purpose) Used to check and adjust the operations of
the developing voltage in each print mode
and the control circuit. 
* When the middle speed is adjusted, the
low speed are also adjusted simulta-
neously.
Section
Process (Developing)

Operation/Procedure
1)
Select a speed with [MIDDLE] and [LOW] keys on the touch
panel.
2)
Select a target item to be adjusted with [
↑] [↓] buttons.
3)
Enter the setting value with 10-key. (The value specified on the
label of the high voltage PWB must be entered.)
* When the U  V key is pressed, the setting value of each
item can be changed with 1up (1down) collectively.
4)
Press [EXECUTE] key.
The set value is saved and the voltage entered with step 3) is
output for 30 sec.
When [EXECUTE] key is pressed, the output is terminated.
 
8-2
Purpose
Operation test/check/adjustment

Function (Purpose) Used to check and adjust the operation of
the main charger grid voltage in each
printer mode and the control circuit. 
* When the middle speed is adjusted, the
low speed are also adjusted simulta-
neously.
Section
Process (Charging)

Operation/Procedure
1)
Select a speed with [MIDDLE] and [LOW] keys on the touch
panel.
2)
Select a target item to be adjusted with [
↑] [↓] keys.
3)
Enter the adjustment value with 10-key. (The value specified
on the label of the high voltage PWB must be entered.)
* When the U  V key is pressed, the setting value of each
item can be changed with 1up (1down) collectively.
4)
Press [EXECUTE] key.
The set value is saved and the voltage entered with step 3) is
output for 30 sec.
When [EXECUTE] key is pressed, the output is terminated.
Key
Item/Display
Content
Setting 
range
MIDDLE
A
MIDDLE SPEED 
DVB_K
K developing bias 
set value at middle 
speed
0-600
B
MIDDLE SPEED 
DVB_C
C developing bias 
set value at middle 
speed
0-600
C
MIDDLE SPEED 
DVB_M
M developing bias 
set value at middle 
speed
0-600
D
MIDDLE SPEED 
DVB_Y
Y developing bias 
set value at middle 
speed
0-600
LOW
A
LOW SPEED 
DVB_K
K developing bias 
set value at low 
speed
0-600
B
LOW SPEED 
DVB_C
C developing bias 
set value at low 
speed
0-600
C
LOW SPEED 
DVB_M
M developing bias 
set value at low 
speed
0-600
D
LOW SPEED 
DVB_Y
Y developing bias 
set value at low 
speed
0-600
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Key
Item/Display
Content
Adjustment 
range
MIDDLE
A
MIDDLE 
SPEED GB_K
K charging/grid bias 
set value at middle 
speed
150 - 850
B
MIDDLE 
SPEED GB_C
C charging/grid bias 
set value at middle 
speed
150 - 850
C
MIDDLE 
SPEED GB_M
M charging/grid bias 
set value at middle 
speed
150 - 850
D
MIDDLE 
SPEED GB_Y
Y charging/grid bias 
set value at middle 
speed
150 - 850
LOW
A
LOW SPEED 
GB_K
K charging/grid bias 
set value at low speed
150 - 850
B
LOW SPEED 
GB_C
C charging/grid bias 
set value at low speed
150 - 850
C
LOW SPEED 
GB_M
M charging/grid bias 
set value at low speed
150 - 850
D
LOW SPEED 
GB_Y
Y charging/grid bias 
set value at low speed
150 - 850
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Display
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