6.1.18 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 and HS changeover gear 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.
Carriage motor
harness
Tighten these screws
in the order of 1 to 3 .
CR guide rail
(Front)
SF changeover
gear
1
"a"
2
Switching lever
"a"
guide
PF roller gear R
Apply
grease
here.
HS
changeover
gear
Thick
Thin
6 - 6 7
Apply grease here.
Cutout
Right hook
Mode switching lever &
clutch gear ASSY
Apply grease here.
3
"b"
"a": Taptite, bind B M3x8
"b": Taptite, cup S M3x6
Apply
grease
here.
Maintenance unit
(6_56_e)
Confidential