Sharp MX-M550U Service Manual page 109

: '07 Feb 15
1
The operation can be stopped with the [SYSTEM SETTINGS] key.
(The transfer output voltage adjustment and output check can be
made in each print mode.)
1
Item
1 FRONT Front surface print
mode
2 BACK Back surface print
mode
SIMULATION 8-6
THV+ SETTING. SELECT 1-2, AND PRESS START.
1.FRONT 400
2.BACK 400
8-17
Purpose Operation test/Check
Function (Purpose) Used to check and adjust the operation of
the transfer voltage and the related circuit.
(Transfer belt cleaning mode)
Section Image process (Photoconductor/Develop-
ing/Transfer/Cleaning)
Operation/Procedure
1) Select the number that corresponds to the adjustment item
with 10-key.
2) Press the [START] key.
3) Enter the adjustment value with 10-key.
4) Press the [START] key.
The set value is stored, and the voltage corresponding to the
set value is outputted for 30sec.
The operation can be stopped with the [SYSTEM SETTINGS]
key.
The transfer output voltage adjustment and output check can
be made in the transfer belt cleaning mode.
Item
1 SHV FRONT
2 SHV BACK
3 THV-
SIMULATION 8-17
TRANSFER ROLLER SETTING. SELECT 1-3, AND PRESS START.
1.SHV FRONT 450
2.SHV BACK 450
3.THV- 10
8-18
Purpose Adjustment/Operation test/Check
Function (Purpose) Used to check and adjust the voltage of the
transfer CL roller cleaning/transfer CL roller
print mode and the control circuit.
Section Image process (Photoconductor/Develop-
ing/Transfer/Cleaning)
Operation/Procedure
1) Select the number that corresponds to the adjustment item
with 10-key.
2) Press the [START] key.
3) Enter the adjustment value with 10-key.
4) Press the [START] key.
(The set value is stored, and the voltage corresponding to the
set value is outputted for 30sec.)
Default
Setting
55/62
range
(ppm)
0 - 800 300
Setting
range
Front side 0 - 600
Back side 0 - 600
Out put 0 - 75
MX-M700N SIMULATION 7 – 15
The operation can be stopped with the [SYSTEM SETTINGS] key.
(The output voltage of the transfer CL roller cleaning/transfer CL
roller print mode can be adjusted and checked.)
70 Transfer CL roller (Print)
(ppm)
Transfer CL roller
400 (Cleaning)
SIMULATION 8-18
TRANSFER CLEANING ROLLER SETTING. SELECT 1-2, AND PRESS
START.
1.CRHV PLUS
2.CRHV MINUS
1
8-19
Purpose
Function (Purpose) Used to check and adjust the fusing bias
Section
Operation/Procedure
1) Select the number that corresponds to the adjustment item
with 10-key.
2) Press the [START] key.
(The voltage is outputted for 30sec.)
The operation can be stopped with the [SYSTEM SETTINGS] key.
The output voltage can be adjusted with the adjustment volumes
VR101/VR102 on the high voltage PWB (fusing bias).
Fusing bias (-)
Fusing bias (+)
SIMULATION 8-19
FUSING BIAS CHECK. SELECT 1, AND PRESS START.
1.FBIAS
Default
450
450
10 9
9-1
Purpose
1
Function (Purpose) Used to check and adjust the operation of
Section
Operation/Procedure
1) Select the number corresponding to the target of operation
check with 10-key.
2) Press [START] key.
The load selected in procedure 1 is operated.
The operation can be stopped with the [SYSTEM SETTINGS] key.
1 ADUM1
2 ADUM2
3 DGS
SIMULATION 9-1
ADU OUTPUT CHECK. SELECT 1-3, AND PRESS START.
1. ADUM1
2. ADUM2
3. DGS
Item Set range
CRHV PLUS 0 - 250
CRHV MINUS 0 - 250
200
200
Adjustment/Operation test/Check
voltage and the control circuit. (Not used)
Fusing
Item
FBIAS VR 101
VR 102
Operation test/Check
the load (clutch/solenoid) in the duplex sec-
tion and the control circuit.
Duplex
ADU motor 1: Upstream
ADU motor 2: Downstream
ADU gate solenoid
Default
200
200
1
Adjustment VR
1
1