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MX-M850 (serv.man37)
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103
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Service Manual
Brand
Device
Copying Equipment / Section 7 Simulation
File
mx-m850-sm37.pdf
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Sharp MX-M850 (serv.man37) Service Manual ▷ View online

MX-M1100  SIMULATION  7 – 17
 
5
 
5-1
Purpose
Operation test/check
Function (Purpose) Used to check the operations of the display
lamp and the LCD on the operation panel
and the control circuit.
Section
Operation panel
Operation/Procedure
When this simulation is executed, all the LED's are lighted for 12
sec and then turned off.
1)
With the upper half normally highlighted and the lower half nor-
mally displayed, the contrast is changed every 2sec from the
current level 
→ Max. → Min.. → the current level in this
sequence.
2)
Then, the upper half is normally displayed and the lower half is
highlighted, and the contrast level is changed every 2sec from
the current level 
→ Max. → Min. → the current level in this
sequence.
3)
When [SYSTEM SETTINGS] key is pressed, the screen
returns to the SUB code entry menu.
 
5-2
Purpose
Operation test/check
Function (Purpose) Used to check the operation of the heater
lamp and the control circuit.
Section
Fusing
Operation/Procedure
1)
Select a target of the operation check with the touch panel key.
2)
Press [EXECUTE] key.
The selected heater lamp performs ON/OFF operation.
When [EXECUTE] key is pressed, the operation is terminated.
3)
When [SYSTEM SETTINGS] key is pressed, the screen
returns to the SUB code entry menu.
 
5-3
Purpose
Operation test/check
Function (Purpose) Used to check the operations of the copy
lamp and the control circuit.
Section
Scanner (reading)
Operation/Procedure
1)
Select a target of the operation check with the touch panel key.
2)
Press [EXECUTE] key.
The selected copy lamp is lighted for 10 sec.
When [EXECUTE] key is pressed, the operation is terminated.
3)
When [SYSTEM SETTINGS] key is pressed, the screen
returns to the SUB code entry menu.
 
5-4
Purpose
Operation test/check
Function (Purpose) Used to check the operations of the dis-
charge lamp and the control circuit.
Section
Process
Operation/Procedure
1)
Select a target of the operation check with the touch panel key.
2)
Press [EXECUTE] key.
The selected discharge lamp is lighted for 30 sec.
When [EXECUTE] key is pressed, the operation is terminated.
3)
When [SYSTEM SETTINGS] key is pressed, the screen
returns to the SUB code entry menu.
 
6
 
6-1
Purpose
Operation test/check
Function (Purpose) Used to check the operations of the loads
(clutches and solenoids) in the paper trans-
port system and the control circuits.
Section
Paper transport, paper exit
Operation/Procedure
1)
Select an target item of the operation check with [
↑] [↓]  keys.
2)
Press [EXECUTE] key.
The selected load performs the operation.
When [EXECUTE] key is pressed, the operation is terminated.
3)
When [SYSTEM SETTINGS] key is pressed, the screen
returns to the SUB code entry menu.
<Simultaneous load selection table>
* However, only one load can be selected in each system.
Display
Content
HL1
Heater lamp upper main
HL2
Heater lamp upper sub
HL3
Heater lamp lower pre-heat
HL4
Heater lamp upper auxiliary 
Display
Content
OC COPY LAMP
OC copy lamp
DSPF COPY LAMP
DSPF copy lamp
Item name
Description of item content
DL1
Discharge lamp
PTDL1
Pre-transfer discharge lamp 1
machine 
[Motor 
system]
machine 
[Clutch/
Solenoid 
system 
(machine)]
machine 
[Clutch/
solenoid 
system 
(manual feed)]
machine [Motor system]
{
{
machine [Clutch/Solenoid 
system (machine)]
{
machine [Clutch/solenoid 
system (manual feed )]
{
NO.
Display Item
Content
1
MM
Main  motor
2
DM
Drum motor
3
DVM
Developing motor
4
FUM
Fusing motor
5
MM2
Multi-stage motor
6
TRM
PS front motor (TRM)
7
VPM
PS front motor (VPM)
8
PSM
PS motor
9
FRUM (H)
Fusing rear roller drive motor (high speed)
10
FRUM (L)
Fusing rear roller drive motor (low speed)
11
POM (H)
Paper exit drive motor (high speed)
12
POM (L)
Paper exit drive motor (low speed)
13
SBRM-F (H)
Reverse roller drive motor (Normal) 
(high speed)
14
SBRM-F (L)
Reverse roller drive motor (Normal) (low speed)
15
SBRM-R (H)
Reverse roller drive motor (Reverse) 
(high speed)
16
SBRM-R (L)
Reverse roller drive motor (Reverse) 
(low speed)
17
FPGM
Fusing front PG motor
MX-M1100  SIMULATION  7 – 18
 
6-2
Purpose
Operation test/check
Function (Purpose) Used to check the operations of each fan
motor and the control circuit.
Section
Operation/Procedure
1)
Select a target of the operation check with the touch panel key.
2)
Press [EXECUTE] key.
The selected load performs the operation.
When [EXECUTE] key is pressed, the operation is terminated.
3)
When [SYSTEM SETTINGS] key is pressed, the screen
returns to the SUB code entry menu.
 
6-3
Purpose
Operation test/check
Function (Purpose) Used to check the operations of the primary
transfer separation.
Section
Process (transfer)
Operation/Procedure
1)
Press [EXECUTE] key.
2)
When the transfer separation motor operation is completed,
[EXECUTE] key returns to the normal state.
* When [EXECUTE] key is pressed during the load operation,
the separation operation is continued until it is completed.
After completion of the operation, the load operation is termi-
nated and [EXECUTE] key returns to the normal state.
3)
When [SYSTEM SETTINGS] key is pressed, the screen
returns to the SUB code entry menu.
 
6-4
Purpose
Operation test/check
Function (Purpose) Used to check the operation of the MC
cleaner.
Section
Process (charging)
Operation/Procedure
1)
Select a target of the operation check with the touch panel.
2)
Press [EXECUTE] key.
3)
When the cleaner operation is completed normally, [OK] is dis-
played.
* The counter value is displayed when cleaning reaches R to
F.
4)
When [SYSTEM SETTINGS] key is pressed, the screen
returns to the SUB code entry menu.
 
7
 
7-1
Purpose
Setting
Function (Purpose) Used to set the conditions of aging opera-
tion.
Section
Operation/Procedure
1)
Select a target of setting with the touch panel.
2)
Press [EXECUTE] key.
The machine is rebooted in the aging mode.
Afterwards, the operation mode is continued until the power is
turned off or resetting is made.
3)
When [SYSTEM SETTINGS] key is pressed, the screen
returns to the SUB code entry menu.
18
ASRM-F (H)
Duplex reverse roller drive motor (Normal) 
(High speed)
19
ASRM-F (L)
Duplex reverse roller drive motor (Normal) 
(Low speed)
20
ASRM-R (H)
Duplex reverse roller drive motor (Reverse) 
(High speed)
21
ASRM-R (L)
Duplex reverse roller drive motor (Reverse) 
(Low speed)
22
ADM1-F (H)
ADU transport drive motor (Normal) 
(High speed)
23
ADM1-F (L)
ADU transport drive motor (Normal) 
(Low speed)
24
ADM1-R (H)
ADU transport drive motor (Reverse) 
(High speed)
25
ADM1-R (L)
ADU transport drive motor (Reverse) 
(Low speed)
26
ADM2-F (H)
ADU transport drive motor 2 (Normal) 
(High speed)
27
ADM2-F (L)
ADU transport drive motor 2 (Normal) 
(Low speed)
28
ADM2-R (H)
ADU transport drive motor 2 (Reverse) 
(High speed)
29
ADM2-R (L)
ADU transport drive motor 2 (Reverse) 
(Low speed)
30
C1LUM
Cassette 1 lift-up motor
31
C2LUM
Cassette 2 lift-up motor
32
C3LUM
Cassette 3 lift-up motor
33
C4LUM
Cassette 4 lift-up motor
34
C1PFC
Cassette 1 paper transport clutch
35
C2PFC
Cassette 2 paper transport clutch
36
C3PFC
Cassette 3 paper transport clutch
37
C4PFC
Cassette 4 paper transport clutch
38
C1PTC
Horizontal transport clutch
39
VPTC1
Vertical transport clutch control output 1 (lower)
40
VPTC2
Vertical transport clutch control output 2 (mid)
41
VPTC3
Vertical transport clutch control output 3 (upper)
42
LCCPTC
LCC transport clutch
43
POCS
FU/FD select gate solenoid
44
ADUCS
Duplex/FD select gate solenoid
45
FRS
Fusing lower pawl separation solenoid
NO.
Display Item
Content
1
CFMCL
Process cooling fan 1.2.3.4
2
FM-DV
Developer dispersion suction fan
3
CFM-DV
Developing unit cooling fan
4
VFM-EX_H
Main unit exhaust heat fan (Speed High)
5
VFM-EX_L
Main unit exhaust heat fan (Speed Low)
6
VFM-EX12
Ozone exhaust fan 1 / Ozone exhaust fan 2
7
CFM-DC
Power cooling fan 1.2.3
8
CFM-ADU1
Reverse transport cooling fan / Reverse cooling 
fan
9
CFM-ADU2
ADU section paper cooling fan 1.2
10
CFM-PA1
Paper exit section paper cooling fan
11
CFM-PO1
Polygon cooling fan
12
CFM_PS/
CFM_Tr
PS cooling fan / Process section cooling fan
13
CONFM
Controller cooling fan motor / HDD cooling fan 
motor
NO.
Display Item
Content
AGING
Aging operation setting
INTERVAL
Intermittent setting
MISFEED DISABLE
JAM detection YES/NO setting
FUSING DISABLE
Fusing operation YES/NO setting
WARMUP DISABLE
Warm-up omission setting
DV CHECK DISABLE
Developing unit detection YES/NO setting
SHADING DISABLE
Shading omission setting
CCD GAIN FREE
CCD gain adjustment free setting
MX-M1100  SIMULATION  7 – 19
 
7-6
Purpose
Setting
Function (Purpose) Used to set the intermittent aging cycle.
Section
Operation/Procedure
1)
Enter the intermittent aging cycle (unit: sec) with 10-key.
2)
Press [OK] key.
The time set in step 1 is set.
* The setting range of the interval time is 1 - 900 (sec).
3)
When [SYSTEM SETTINGS] key is pressed, the screen
returns to the SUB code entry menu.
 
7-8
Purpose
Operation display
Function (Purpose) Used to display the warm-up time.
Section
Operation/Procedure
1)
Press [EXECUTE] key.
2)
Counting of the warm-up time is started.
* Interruption during the execution with [EXECUTE] key is
invalid.
 
7-12
Purpose
Operation test, check
Function (Purpose) Used to set the document scan quantity.
(For development and inspection)
Section
Operation/Procedure
1)
Enter the set value with 10-key.
2)
Press [OK] key, and the currently set data are saved to the
EPROM and the RAM.
3)
When [SYSTEM SETTINGS] key is pressed, the screen
returns to the sub code entry menu. 
 
8
 
8-1
Purpose
Operation test/check/adjustment
Function (Purpose) Used to check and adjust the developing
voltage in each print mode and the control
circuit.
Section
Process (Development)
Operation/Procedure
1)
Select a target item of the adjustment with [
↑] [↓] keys.
2)
Enter the set value with 10-key.
* When U or V key is pressed, the set value of each item is
increased or decreased by 1.
Collective change can be made.
3)
Press [EXECUTE] key.
The currently set voltage is outputted and the set value is
saved.
4)
When [SYSTEM SETTINGS] key is pressed, the screen
returns to the SUB code entry menu.
 
8-2
Purpose
Operation test/check/adjustment
Function (Purpose) Used to check and adjust the operations of
the main charger grid voltage in each print
mode and the control circuit.
Section
Process
Operation/Procedure
1)
Select a target item of the adjustment with [
↑] [↓] keys.
2)
Enter the set value with 10-key.
* When U or V key is pressed, the set value of each item is
increased or decreased by 1.
Collective change can be made.
3)
Press [EXECUTE] key.
The currently set voltage is outputted and the set value is
saved.
4)
When [SYSTEM SETTINGS] key is pressed, the screen
returns to the SUB code entry menu.
Item
Display
Content
Setting 
range
Default 
value
A
ORIGINALS
Document scan quantity 
setting (for aging)
0 - 999
0
Item/Display
Content
Setting range
Default
Monitor connector
Actual output 
voltage
Connector
Pin No.
A
COPY
Developing bias adjustment value (Copy mode)
0-750
495
CN2
7
-500 
± 1 V
B
PRINTER
Developing bias adjustment value (Printer mode)
0-750
495
CN2
7
-500 
± 1 V
C
FAX
Developing bias adjustment value (FAX mode)
0-750
495
CN2
7
-500 
± 1 V
D
PLUS
Reverse developing bias voltage
0-250
150
CN2
7
-500 
± 1 V
MX-M1100  SIMULATION  7 – 20
 
8-6
Purpose
Operation test/check/adjustment
Function (Purpose) Used to check and adjust the operation of
the transfer plus bias current and the con-
trol circuit.
Section
Process (transfer)
Operation/Procedure
1)
Select a target item of the adjustment with [
↑] [↓] keys.
2)
Enter the set value with 10-key.
3)
Press [EXECUTE] key.
The currently set voltage is outputted for 30 sec, and the set
value is saved.
When [EXECUTE] key is pressed, the output is terminated.
4)
When [SYSTEM SETTINGS] key is pressed, the screen
returns to the SUB code entry menu.
 
8-17
Purpose
Operation test/check/adjustment
Function (Purpose) Used to check and adjust the operation of
the transfer electric cleaning output and the
control circuit.
Section
Process (transfer)
Operation/Procedure
1)
Select a target item of the adjustment with [
↑] [↓] keys.
2)
Enter the set value with 10-key.
3)
Press [EXECUTE] key. 
The currently set voltage is outputted for 30 sec, and the set
value is saved.
When [EXECUTE] key is pressed, the operation is terminated.
4)
When [SYSTEM SETTINGS] key is pressed, the screen
returns to the SUB code entry menu.
Item/Display
Content
Setting 
range
Default
Monitor connector
Actual output voltage
85-sheet 
model
95/110-
sheet model
Connector
Pin No.
85-sheet 
model
95/110-sheet 
model
A
COPY
Main charger grid voltage adjustment value 
(Copy mode)
200-1000
560
580
CN2
3
-590 
± 1 V
-610 
± 1 V
B
PRINTER
Main charger grid voltage adjustment value 
(Priner mode)
200-1000
560
580
CN2
3
-590 
± 1 V
-610 
± 1 V
C
FAX
Main charger grid voltage adjustment value 
(FAX mode)
200-1000
560
580
CN2
3
-590 
± 1 V
-610 
± 1 V
Item/Display
Description of item
Setting range
Default
Actual output voltage
85-sheet 
model
95/110-sheet 
model
85-sheet 
model
95/110-sheet 
model
A
THV+ (FACE)
THV (Transfer) output
Front surface mode
0-800
300
400
30 
± 1μA
40 
± 1μA
B
THV+ (BACK)
Back surface mode
0-800
350
400
30 
± 1μA
40 
± 1μA
Item/Display
Description of item
Setting range
Default
Actual output voltage
85-sheet 
model
95/110-sheet 
model
85-sheet 
model
95/110-sheet 
model
A
THVAC (FACE)
THVAC output (AC)
Front surface mode
0-600
450
AC4.5kV (p–p)
B
THVAC (BACK)
Back surface mode
0-600
450
AC4.5kV (p–p)
C
THV-
THV-output (DC bias)
0-75
40
60
DC -400V
AC 4.5kV (p–p)
DC -600V
AC 4.5kV (p–p)
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