Brother HL-4000CN Service Manual page 257

Digital output test code table
Menu
Part/signal name
No.
MAIN DRIVE ASSY
(NORMAL SPEED)
DO-0
MAIN DRIVE ASSY
(HALF SPEED)
DO-1
DUP MOTOR ASSY
(FORWARD NORMAL
DO-3
SPEED)
DUP MOTOR ASSY
(FORWARD HALF SPEED)
DO-4
DUP MOTOR ASSY
(FORWARD DOUBLE
DO-5
SPEED)
DUP MOTOR ASSY
(REVERSE NORMAL
DO-6
SPEED)
DUP MOTOR ASSY
(REVERSE HALF SPEED)
DO-7
DUP MOTOR ASSY
(REVERSE DOUBLE
DO-8
SPEED)
DEVE DRIVE ASSY
DO-a (NORMAL SPEED)
DEVE DRIVE ASSY
(HALF SPEED)
DO-b
FUSER DRIVE ASSY
(NORMAL SPEED)
DO-d
FUSER DRIVE ASSY
(HALF SPEED)
DO-e
FEEDER DRIVE ASSY
DO-10 (NORMAL SPEED)
FEEDER DRIVE ASSY
(HALF SPEED)
DO-11
Test method
WARNING! <CAUTION!>
Check by hearing and visually that
the motor rotates in normal mode.
WARNING! <CAUTION!>
Check by hearing and visually that
the motor rotates in half-speed
mode.
WARNING! <CAUTION!>
Check by hearing and visually that
the motor rotates in normal mode.
WARNING! <CAUTION!>
Check by hearing and visually that
the motor rotates clockwise in half-
speed mode.
WARNING! <CAUTION!>
Check by hearing and visually that
the motor rotates clockwise in
double-speed mode.
<WARNING!> <CAUTION!>
Check by hearing and visually that
the motor rotates counterclockwise
in normal mode.
<WARNING!> <CAUTION!>
Check by hearing and visually that
the motor rotates counterclockwise
in half-speed mode.
<WARNING!> <CAUTION!>
Check by hearing and visually that
the motor rotates counterclockwise
in double-speed mode.
<WARNING!> <CAUTION!>
Check by hearing and visually that
the motor rotates in normal mode.
<WARNING!> <CAUTION!>
Check by hearing and visually that
the motor rotates in half-speed
mode.
<WARNING!> <CAUTION!>
Check by hearing and visually that
the motor rotates in normal mode.
<WARNING!> <CAUTION!>
Check by hearing and visually that
the motor rotates in half-speed
mode.
<WARNING!> <CAUTION!>
Check by hearing and visually that
the motor rotates in normal mode.
<WARNING!> <CAUTION!>
Check by hearing and visually that
the motor rotates in half-speed
mode.
V-47
Reference
BSD
2.4.1
2.4.1
2.9.5
2.9.5
2.9.5
2.9.5
2.9.5
2.9.5
2.8.2
2.8.2
2.9.2
2.9.2
2.7.5
2.7.5