Process (Image Forming) Section - Sharp AR-BC260 Service Manual

3. Process (image forming) section

(2) Electrical and mechanical sections
CN4(22pin) M
CN5(22pin) C
CN6(22pin) K
CN9(22pin) Y
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
CN7
CN9
ICU
CN4
CN1
CN5
CN2
CN6
CN3
Discharge lens
MC
Drum cartridge Y, M, C, K
CN1(6pin) M
ICU
CN2(6pin) C
CN3(6pin) K
CN7(6pin) Y
1 2 3 4 5 6
1 2 3 4 5 6
MC
Drum drive unit
LED LED unit
DL LED
DM
Y, M, C, K
Developing roller
Toner cartridge Y, M, C, K
AR-BC260 DESCRIPTIONS OF EACH SECTION 7 - 15
Y
M
C
K
A. Operational descriptions
(1) Outline
This section functions and operates as follows:
1) In this section, the LED is lighted according to the data sent
from the image process section to form electrostatic latent
images on the OPC drums which are charged evenly by the
main charger, and toner is attached to the electrostatic latent
images.
CN2(34pin)
CN3(12pin) C,M
Driver PWB
CN4(6pin) Y
6 5 4 3 2 1
1 2 3
TES_
Y,M,C,K
Rear frame
DV CRUM
1 2 3 4
Y, M, C, K
MC YMC MC K
GB
HV(MC)PWB
DVBias
CN1(8pin)
1 2 3 4 5 6 7 8
FG
6 2 4 7 8 5 1
CN10(12pin)
CN17(28pin)
CN19(16pin) CN12(34pin)
PCU
CN1(3pin) K
CN3(3pin) C
CN5(3pin) M
CN8(3pin) Y CN2(6pin) K
6 5 4 3 2 1
C M
(6pin)
DMB/
1
+24V
2
DMB
3
DMA
4
+24V
5
DMA/
6