Sharp MX-M550U

MX-M700N PHOTOCONDUCTOR SECTION J – 1
MX-M700N
5GTXKEG/CPWCN

[J] PHOTOCONDUCTOR SECTION
1. Electrical and mechanism relation diagram
A. OPC drum Section
Code
Signal
name
Name Function/Operation Type NOTE
DMS DMS OPC drum marking sensor signal OPC drum mark detection Reflection type Analog detector
PCS PCS Image density sensor Detection of density of toner patch on the OPC drum Reflection type Analog detector
TH-CL TH-CL OPC drum cleaner temperature
sensor
OPC drum cleaner peripheral temperature detection Thermistor Analog detector
DM DM OPC drum motor Drives the OPC drum and the transfer section DC brushless
motor
PSPS PSPS Drum separation pawl solenoid Drives the OPC drum separation pawl Solenoid
DL DL Discharge lamp Discharges electric charges on the OPC drum Lamp
No. Name Function/Operation
1 OPC drum Forms electrostatic latent images by laser beams
2 Cleaning blade Cleans remaining toner on the OPC drum
3 CL brush roller Cleans remaining toner on the OPC drum
4 Sub blade (Cleaning seal) Prevent against toner leakage from the cleaner section
5 Side seal F/R Prevents against toner dispersion
6 Drum separation pawl Separates paper from the drum
7 Separation pawl oscillation shaft Moves in the front and rear frame direction to install the separation pawl
8 Waste toner transport screw Transports toner from the cleaner unit to the waste toner transport pipe
9 Waste toner transport pipe Transports toner from the cleaner unit to the waste toner box in the toner cartridge front section
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
PCS-LED
PCS
DMS-LED
DMS
/DL
/PTDL
/PSPS
HUS-TC
GND2
TH-CL
GND2
TLS
GND2
B20B-PHDSS-B
/PWM-RSV1
+24V1
+5V2
+24V1
+12V2
+12V2
CN-8
+24V-DL
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
16
15
14
12
11
10
PCU PWB
B18B-PHDSS-B
CN-6
GND2
GND2
/DM
DMCLK
DM-T
+5V2
GND2
/DVM
DVMCLK
DVM-T
+5V2
GND2
+5V2
/FUM
FUMCLK
FUM-T
+24V1
/VFM-BKR
AC PWB
5
4
3
2
1
GND2
/DVM
DVMCLK
DVM-T
B2PS-VH
S5B-PH-K-S
+5V2
+38V
+38V
GND1
GND1
+38V
GND1
2
1
+38V
GND1
CN-5
B16B-PADSS-1
PCS
DMS
DL
TH-CL
9
8
7
6
5
4
3
2
1
9
8
7
6
5
4
3
2
1
20
19
18
17
16
15
14
13
12
11
10
20
19
18
17
16
15
14
13
12
11
10
4
3
2
1
2
1
1
2
2
3
2
1
2
3
2
1
1
3
1
3
3
2
1
/PSPS
GND2
TH-CL
(NC)
(NC)
PCS-LED
PCS
DMS-LED
DMS
/DL
/PTDL
/PSPS
TH-CL
GND2
(NC)
(NC)
+24V1
+24V1
+24V1
S4B-PH-K-S
DRAWER
TSDR-20V-K/TSDP-20V-K
+12V2
+12V2
(NC)
(NC)
(NC)
SRA-01T-3.2
SRA-01T-3.2
GND2
+24V-DL
SMP-02V-BC/SMR-02V-B
PCS
DMS
SMR-03V-B/SMP-03V-BC
SMR-03V-B/SMP-03V-BC
+12V2
PCS-LED
+12V2
DMS-LED
PHR-3
+24V-DL
/DL
(NC)
PROCESS UNIT
DM
1
2
3
4
5
7
6
PSPS
8
9