Sharp ER-A411 / ER-A421 (serv.man3) Service Manual ▷ View online
MAINTENANCE, DISASSEMBLY & ASSEMBLY
5-5
2-3-2. Key board unit
1)
Remove the GND wires
2)
Remove the cables, screw key and IF PWB unit
3)
Remove the key board unit
2-3-3 Customer display unit
1)
Pull slightly up the pop up unit from top unit.
2)
Remove the POP UP CAB.
There are hooks on marked position below.
3)
Remove the filter cover sheet and then LCD (Sub) unit.
Filter cover sheet
Hook
Positioning
When replace pop-up unit, it is
necessary to apply the following
grease on marked place.
SANCOL: CFD-409Z
necessary to apply the following
grease on marked place.
SANCOL: CFD-409Z
MAINTENANCE, DISASSEMBLY & ASSEMBLY
5-6
2-4. Main unit
2-4-1. Main PWB unit
2-4-1. Main PWB unit
1)
Remove the connectors
2)
Remove the main PWB
MAINTENANCE, DISASSEMBLY & ASSEMBLY
5-7
2-4-2 Printer unit
1)
Remove slightly the printer connectors.
2)
Remove the screws and then Printer unit.
2-4-3 Printer Arms
(1) Printer arm spring and open lever
(1) Printer arm spring and open lever
1)
Pull the open lever up simultaneously open the printer arm
until end.
2)
Push the open lever to arrow marked direction, and then
remove the open lever spring.
NOTE:
･ When re assembling this part, hook the open lever
･ When re assembling this part, hook the open lever
spring to A position at first, then hook the B position.
･ Check that the assembled open lever spring moves
smoothly.
A
B
MAINTENANCE, DISASSEMBLY & ASSEMBLY
5-8
3)
Move the open lever about 1-5mm to arrow mark direction.
4)
Slide open lever to arrow mark direction.
NOTE:
･ When replace the open laver, it is necessary to apply the
following grease on marked place.
SANCOL: CFD-409Z
(2) Auto cutter unit
1)
Remove the screws
2)
Slide the auto cutter unit to bottom direction then
remove to front side.
(3) Platen unit of journal side
1)
Pull the printer arm until end.
Between 1 to 5 mm
Click on the first or last page to see other ER-A411 / ER-A421 (serv.man3) service manuals if exist.