MX-5001N TRANSFER SECTION L – 2
B. Pro-reg sensor section
6 Primary transfer belt tension roller Apply a tension to the transfer belt.
7 Belt CL brush Transfer belt back surface cleaning.
8 PTC opposing roller Roller to flow a PTC current.
9 Secondary transfer belt Transfers toner images on the intermediate transfer belt to paper.
10 Secondary transfer roller Transfers toner images on the intermediate transfer belt to paper.
11 Secondary transfer belt dirve roller Drives the transfer belt.
12 Secondary transfer belt follower roller Transfer belt follower.
13 PTC unit Reduces the positive charges on the primary transfer belt.
Signal name Name Function/Operation
PCSS Color image density sensor PWB
reflection plate shutter solenoid
Opens/closes the shutter of the process control and the resist sensor.
REGS_F Color image density sensor/
Image registration sensor F
Detection of resist shift on the machine front (F) side, and detection of the color toner patch density.
REGS_R Black image density sensor/
Image registration sensor R
Detection of resist shift on the machine rear (R) side, and detection of the black toner patch density.
No. Name Function/Operation
REGS_F
REGS_R
PCSS
CN6
RSM2PP
RSM18PP
B32B-PHDSS
REGS_R4
/REGS_R_LED
3
D-GND2
PCS_R5
4
5VNPD1
1
5VNPD
2
D-GND
3
D-GND
1
5VNPD
5
REGS_F
4
/REGS_F_LED
7
/REGS_F_LED
3
REGS_F
6
D-GND
NC
NC
5
5VNPD
8
PCS_CL
9
PCS_CL
7
10
5VNPD
2
5VNPD
9
D-GND
12
REGS_R
6
REGS_R
11
D-GND
4
13
/REGS_R_LED
16
NC
8
/REGS_R_LED
PCU PWB
2/PCSS2
14
/PCSS
11
/PCSS
124V31
15
24V3
13
24V3
17
NC
18
2
1
4
3
6
5
8
7
10
9
12
11
13
16
14
15
17
18
NC
5VNPD
1
D-GND
2
PCS_F
5
/REGS_F_LED
3
REGS_F
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