Transfer Section - Sharp AR-BC260 Service Manual

2. Transfer section

(2) Electrical and mechanical sections
Transfer belt unit
(20pin) (14pin)
BTNF +24V
12 11
NC CALS/
13 13
CALS/ GND2
9 7
GND2 PCSC
14 3
BSEN_LED B SEN LED
7 1
PCS_K
REG SEN
8 5
GND2 +5V
1 9
PCS_C
4
ASEN_LED PCSK
3 10
GND2 A SEN LED
10 8
REGSEN GND2
5 12
TS (CL)
6
BTM /B
16
BTM /A
17
BTM B
18
BTM A
19
+24V
15
GND (FLAME)
20
(5pin) (4pin)
FG
PCSC
PCSK
Color PC &
Auto reg
sensor
(2pin)
1 2
Process control
shutter
CALS
Lift-up cam
(6pin)
BLUM B/
1
BLUM A/ BLUM
2
BLUM B
3
BLUM A
4
+24V
5
+24V
6
1 2 3
CN2 (10pin)
HV (MC) PWB
Drive gear
BTM
BLUD
+5V
1
BLUD
2
GND2
3
4
5
(5pin)
AR-BC260 DESCRIPTIONS OF EACH SECTION 7 - 7
A. Operational descriptions
(1) Outline
This section functions and operates as follows:
1) A high, positive voltage is applied to the transfer roller to
charge the transfer belt and paper on it positively, attracting
negatively charged toner images on the OPC drum onto
paper.
DSNRout
4 5 6 7 8 9 10
+24V
8 1
GND2
CN17
7 5
(28pin)
GND2
6 8
HV STB
5 7
HV DATA
4
4
HV CLK
3 2
HV REM
2 6
CN1 (8pin) 1
PCU PWB
BTM B/
1
BTM A/
2
BTM B
3
BTM A
4
CN6 (10pin)
+24V
5
+24V 2 4 6
6
BTN F
1
GND2
2
BTNF
Drawer connector
DSWR (24pin)
30 34 BTNF
14
NC
CN9
2
(24pin)
CALS/
21
BELT CHim
12
+24V
A SEN LED
6
PCSK
4
GND2
13
PCSC
10
B SEN LED
8
GND2
11
REG SEN
22
+5V
24
BTM B/
9
BTM A/
7
BTM B
5
BTM A
3
+24V
1
3 5 7 9 8 10
HV (TC) PWB
+24V 1
(NC) 2
FG 3
TCK 4
TCY 5
CN1 (10pin)
6
TCM
TCC
7
HVREM 8
9
GND
FG 10