Service manual

VI-29
ABCDEFGHJ
1 2 3 4 5 6
DRIVE MECHANISM
DRIVE ASSY DEVE PL11.1
PL12.1
HVPS
Print head cartridge ASSY PKG PL9.1
J601
1
DEVELOPER(Y)
2.8.2 DEVELOPMENT
DEVE BIAS(Y)
J602
1
DEVELOPER(M)
DEVE BIAS(M)
J603
1
DEVELOPER(C)
DEVE BIAS(C)
J604
1
DEVELOPER(K)
DEVE BIAS(K)
2.8.1
LATENT IMAGE(Y) LATENT IMAGE(M) LATENT IMAGE(C) LATENT IMAGE(K)
DEVELOPMENT
2.8.6 2.8.6 2.8.6 2.8.6
DEVELOPED IMAGE(Y)
DEVELOPED IMAGE(M) DEVELOPED IMAGE(C) DEVELOPED IMAGE(K)
2.8.4 2.8.1 2.8.4 2.8.1 2.8.4 2.8.1 2.8.4
DISPENSED TONER(Y)
DISPENSED TONER(M) DISPENSED TONER(C) DISPENSED TONER(K)
DO-42 DO-43
ZN G2 ZN G2 ZN G1 ZN G1
ZN F4 ZN F4 ZN F5 ZN F5
PWBA HBN DRV PL12.1
MCU HL-4200
MCU HL-4200
PL12.1
CONTROL LOGIC
J11
1 2 3 4 5
J41
40 39 38 37 36
GRY GRY GRY GRY GRY GRY GRY GRY GRY GRY
DEVE CLOCK XDEVE ENA DEVE F/H DEVE CW/CCW D/A DEVE MOTOR
J52
1 2 3
+24VDC
SWITCHED
RED RED WHT WHT BLK BLK
DEVE_U DEVE_V DEVE_W
DO-a DO-b
(NORMAL SPEED)
(HALF SPEED)
DC COM
MOTOR DRIVE
MOT
DEVE DRIVE ASSY ON
DO-1c
(LOW SPEED)
DO-c
DEVE DRIVE ASSY OFF
1
DEVE BIAS AC ON
DEVE BIAS AC OFF
DO-44 DO-45
DEVE BIAS DC Y ON
DEVE BIAS DC Y OFF
DO-46 DO-47
DEVE BIAS DC M ON
DEVE BIAS DC M OFF
DO-48 DO-49
DEVE BIAS DC C ON
DEVE BIAS DC C OFF
DO-4a DO-4b
DEVE BIAS DC K ON
DEVE BIAS DC K OFF
WARNING: HIGH VOLTAGE
Phase
Step(3phases)
1 + -
2 + -
3 + -
4 - +
5 - +
6 - +
1
Motor type: Hybrid stepping motor Stepping angle: 3.75 Winding resistance: 1.6 10% / phase (25 C ) Exciting sequence is shown in the table below.
DEVE_U DEVE_V DEVE_W
2.8 XEROGRAPHICS