Sharp MX-4140N / MX-4141N / MX-5140N / MX-5141N (serv.man7) Service Manual ▷ View online
MX-5141N EXTERNAL VIEW AND INTERNAL STRUCTURE 4 – 19
O.PWB / Memory device
No.
Name
Function/Operation
1
RD I/F PWB
Detects each sensor in the right door unit.
2
Tray installation detection PWB
Detects the tray.
3
DC power PWB
Outputs the secondary side voltage.
4
Driver main PWB
Drives the transport motor and related sections.
5
High voltage MC PWB
Generates the high voltage for the main charger and the developing bias voltage.
6
High voltage 1TC PWB
Generates the primary transfer voltage.
7
AC power PWB
Controls the primary side power source.
8
Scanner control PWB
Controls the scanner section.
9
CCD PWB
Scans document images.
MX-5141N EXTERNAL VIEW AND INTERNAL STRUCTURE 4 – 20
10
Document detection light collector
PWB
PWB
Outputs the document size detection signal.
11
Document detection light emitting
PWB
PWB
Emits light for document size detection.
12
USB I/F PWB
USB I/F
13
KEY PWB
Outputs the key operation signal.
14
LVDS PWB
Converts the display data signal to the LCD display signal. Controls the touch panel.
15
HL PWB
Controls the heater lamp.
16
High voltage 2TC PWB
Generates the secondary transfer voltage, the transfer belt cleaning voltage and the pre-trans-
fer voltage.
fer voltage.
17
WH PWB
Controls ON/OFF of the humidity heater.
18
MFP control PWB
Controls the image-related items and controls all over the machine.
19
Mother PWB
Interfaces the MFP cnt PWB and other PWB.
20
PCU PWB
Controls the engine section.
21
BD PWB
Detects laser and outputs the synchronous signal.
22
LSU PWB
Controls the LSU.
23
LSU thermistor
Measures the temperature in LSU.
24
DL PWB
Discharges electric charges on the OPC drum.
25
LD PWB
Controls laser lighting.
26
SD card memory
Stores the MFP PWB program data, the FAX image data, and the font data.
27
CF card
Stores the printer program data.
28
Flash DIMM
Stores the DSK program data.
29
Driver sub PWB
Drives the process motor and related sections.
30
LED DRIVER PWB
Drives the scanner lamp.
31
PCI AC interface PWB
Interfaces the AC PWB of the PCI.
32
USB CONV PWB
Convert to the USB connection.
33
Wireless LAN PWB
Connect the network by the wireless LAN.
34
Scanner expansion PWB
Generate the data for high compression PDF.
No.
Name
Function/Operation
2
‘13/Nov
2
MX-5141N EXTERNAL VIEW AND INTERNAL STRUCTURE 4 – 21
P.Fuses/Thermostats
Signal name
Name
Specifications
Section
TS LM
Thermostat
Fusing roller overheat protection
Fusing unit
TS UM
Thermostat
Fusing roller overheat protection
Fusing unit
TS US
Thermostat
Fusing roller overheat protection
Fusing unit
No.
Signal name
Name
Specifications
Section
1
F401/F601
Fuse
T6.3AH 250V
DC power PWB
2
F402/F602
Fuse
T6.3AH 250V
DC power PWB
3
F403/F603
Fuse
T6.3AH 250V
DC power PWB
4
F404/F604
Fuse
T6.3AH 250V
DC power PWB
5
F405/F605
Fuse
T6.3AH 250V
DC power PWB
6
F1
Fuse
20A 250V
For 100V series
AC power PWB
F1
Fuse
T10AH 250V
For 200V series
AC power PWB
7
F2
Fuse
20A 250V
Not mount for 100V series
AC power PWB
F2
Fuse
T10AH 250V
For 200V series
AC power PWB
8
F3
Fuse
T2AH 250V
AC power PWB
9
F4
Fuse
T2AH 250V
Not mount for 100V series
AC power PWB
F4
Fuse
T2AH 250V
For 200V series
AC power PWB
10
F101
Fuse
15A250V
For 100V series 51cpm machine
DC power PWB
F101
Fuse
T6AH 250V
For 200V series 51cpm machine
DC power PWB
11
F102
Fuse
T2AH 250V
For 51cpm machine
DC power PWB
12
F301
Fuse
T5AH 250V
For 51cpm machine
DC power PWB
13
F301
Fuse
T3.15AH 250V
For 41cpm machine
DC power PWB
F401
Fuse
T3.15AH 250V
For 51cpm machine
DC power PWB
14
F201
Fuse
T6.3AH 250V
For 200V series 41cpm machine
DC power PWB
15
F001
Fuse
15A 250V
For 100V series 41cpm machine
DC power PWB
F001
Fuse
T10AH 250V
For 200V series 41cpm machine
DC power PWB
16
F501
Fuse
T2AH 250V
For 100V series 41cpm machine
DC power PWB
F501
Fuse
T2AH 250V
For 200V series 41cpm machine
DC power PWB
TS LM
TS UM
TS US
10
11
12
3
2
1
4
5
5
6
7
7
9
8
13
15
16
14
MX-5141N ADJUSTMENTS AND SETTINGS 5 – 1
MX-5141N
Service Manual
[5] ADJUSTMENTS AND SETTINGS
1. General
Each adjustment item in the adjustment item list is associated with
a specific Job number. Perform the adjustment procedures in the
sequence of Job numbers from the smallest to the greatest.
a specific Job number. Perform the adjustment procedures in the
sequence of Job numbers from the smallest to the greatest.
However, there is no need to perform all the adjustment items. Per-
form only the necessary adjustments according to the need.
form only the necessary adjustments according to the need.
Unnecessary adjustments can be omitted. Even in this case, how-
ever, the sequence from the smallest to the greatest Job number
must be observed.
ever, the sequence from the smallest to the greatest Job number
must be observed.
If the above precaution should be neglected, the adjustment would
not complete normally or trouble may occur.
not complete normally or trouble may occur.
2. Adjustment item list
Job No
Adjustment item list
Simulation
ADJ 1
Adjust the developing unit
1A
Adjust the developing doctor gap
1B
Adjust the developing roller main pole position
1C
Toner density control reference value setting
25-2
ADJ 2
Adjusting high voltage values
2A
Adjust the main charger grid voltage
8-2
2B
Adjust the developing bias voltage
8-1
2C
Transfer voltage adjustment
8-6
ADJ 3
Image density sensor adjustment
3A
Color image density sensor (image registration sensor F), black image density sensor
(image registration sensor R) adjustment
(image registration sensor R) adjustment
44-2
ADJ 4
Image lead edge position, image loss,
void area, image off-center, image
magnification ratio adjustment
(Automatic adjustment)
void area, image off-center, image
magnification ratio adjustment
(Automatic adjustment)
4A
Print image main scanning direction automatic magnification ratio adjustment (Print
engine)
engine)
50-28
4B
Print image off-center automatic adjustment (Print engine) (Each paper feed tray)
50-28
4C
Copy mode image lead edge position, image loss, void area, image off-center, sub
scanning direction image magnification ratio automatic adjustment (Scanner) (Document
table mode)
scanning direction image magnification ratio automatic adjustment (Scanner) (Document
table mode)
50-28
4D
Copy mode image lead edge position, image loss, void area, image off-center, sub
scanning direction image magnification ratio automatic adjustment (Scanner) (RSPF
mode)
scanning direction image magnification ratio automatic adjustment (Scanner) (RSPF
mode)
50-28
4E
DSPF mode image off-center, image lead edge position, sub scanning direction image
magnification ratio auto adjustment
magnification ratio auto adjustment
ADJ 5
Print engine image distortion
adjustment / OPC drum phase
adjustment / Color registration
adjustment (Print engine section)
adjustment / OPC drum phase
adjustment / Color registration
adjustment (Print engine section)
5A
Image skew adjustment (LSU unit)
50-20 (61-4)
5B
Print engine image distortion adjustment (Manual adjustment) / OPC drum phase
adjustment (Automatic adjustment) / Color registration adjustment (Automatic
adjustment)
adjustment (Automatic adjustment) / Color registration adjustment (Automatic
adjustment)
50-22
5C
Color registration offset adjustment (No need to adjust normally)
50-20
ADJ 6
Scan image distortion adjustment
(Document table mode)
(Document table mode)
6A
Scanner (reading) unit parallelism adjustment
6B
Scan image (sub scanning direction) distortion adjustment
6C
Scan image (main scanning direction) distortion adjustment
6D
Scan image distortion adjustment (Whole scanner unit)
ADJ 7
Scanner image skew adjustment
(DSPF/RSPF mode)
(DSPF/RSPF mode)
7A
RSPF height adjustment
64-2
7B
RSPF skew adjustment (Front surface mode)
7C
DSPF parallelism adjustment
7D
DSPF skew adjustment (Front surface mode)
7E
DSPF skew adjustment (Back surface mode)
ADJ 8
Scan image focus adjustment (CCD
unit position adjustment)
unit position adjustment)
8A
Document table mode image focus adjustment
48-1
8B
DSPF mode image focus adjustment
ADJ 9
Print lead edge image position adjustment (Printer mode)
50-5
ADJ 10
FR density variation correction
10A
FR density unevenness automatic correction: all 32-point adjustment (Correction by OC
scan)
scan)
61-11
10B
FR density unevenness visual inspection correction: 4-point adjustment for each of
CMYK (with the center fixed) or 31-point adjustment (with the center fixed)
CMYK (with the center fixed) or 31-point adjustment (with the center fixed)
61-12
ADJ 11/
SET1
Color balance/density adjustment
Note before execution of the image quality adjustment
Copy image quality check
Printer image quality check
11A
Scanner calibration (CCD calibration)
63-3 (63-5)
SET
1
Color balance
adjustment target setup
adjustment target setup
1A
Copy color balance adjustment target setup
63-7/8/11
1B
Printer color balance adjustment target setup
67-26/27/28
11B
Copy/Printer color balance and density adjustment (Automatic adjustment)
(Basic adjustment)
(Basic adjustment)
46-74
11C
Copy quality
adjustment (Basic
adjustment)
adjustment (Basic
adjustment)
11
C
(1)
Copy color balance and density adjustment
(Automatic adjustment)
(Automatic adjustment)
46-24
11
C
(2)
Copy color balance and density adjustment
(Manual adjustment)
(Manual adjustment)
46-21
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