6-58 Confidential
6.1.14 Components on the Engine Unit
(Maintenance unit, Mode switching lever & clutch gear ASSY, Carriage motor, Inner chute
ASSY, Registration sensor PCB, PF encoder PCB, Paper feed motor, Paper pull-in gear shaft,
and Paper pull-in roller holder)
Maintenance unit and mode switching lever & clutch gear ASSY
(1) Remove the three screws from the maintenance unit--two "a" screws from the top and one "b"
screw from the right side.
(2) Take the maintenance unit off the engine unit.
(3) Remove the SF changeover gear, HS changeover gear, and HS gear plate (which is used only
in the early version of machines) from the maintenance unit.
(4) Slide the mode switching lever & clutch gear ASSY outwards to remove it.
(5) Unlatch the switching lever guide from the CR guide rail.
HS gear
plate*
(6_56)
"a"
"a"
(Front)
CR guide rail
Carriage motor
harness
SF changeover
gear
HS
changeover
gear
Thick
Thin
"b"
Maintenance unit
Mode switching lever &
clutch gear ASSY
Switching lever
guide
PF roller gear R
Apply grease here.
Apply
grease
here.
Apply grease here.
Apply
grease
here.
Cutout
Right hook
1
2
3
Tighten these screws
in the order of 1 to 3 .
"a": Taptite, bind B M3x8
"b": Taptite, cup S M3x6
*Only on the early version of machines