Sharp ER-A411 / ER-A421 (serv.man3) Service Manual ▷ View online
MAINTENANCE, DISASSEMBLY & ASSEMBLY
5-9
2)
Since both side of platen unit are fixed by hooks A, pull the
platen roller unit up.
NOTE: Do not break the hook A in this time.
(4) Printer arms
1)
Remove the screw and then remove the spool motor frame.
2)
Pull the open lever up simultaneously open the printer arm
until end.
3)
Pull the printer arm up one side by one side.
NOTE: Since user safety point of view, structure of above
part is not easily came off. Take care to have not
injury on this work.
A
MAINTENANCE, DISASSEMBLY & ASSEMBLY
5-10
2-4-4 Printer interface PWB
1)
Remove the connectors.
2)
Remove the Printer interface PWB
2-4-5 SIO I/F PWB
1)
Remove the connectors.
2)
Remove the screws.
3)
Remove the SIO I/F PWB.
MAINTENANCE, DISASSEMBLY & ASSEMBLY
5-11
2-4-4 Power supply unit
1)
Remove screws and then the POP cover.
2)
Remove the screws and power supply transformer.
NOTE:
Cable arrangements
Lower side
NG
Over the rib
OK
Under the rib
MAINTENANCE, DISASSEMBLY & ASSEMBLY
5-12
2-4 Drawer unit
2-4-1 Drawer solenoid
2-4-1 Drawer solenoid
1)
Release the lock on the bottom surface of the drawer unit,
and open the drawer.
When the lock is released, the drawer extends out. Be
careful.
If the drawer is locked with the drawer key, it will not open.
Use the drawer key to open the drawer.
2)
Pull out the drawer, and remove the money case.
3)
Lift it to remove the drawer from the drawer cabinet.
4)
Remove the screw and then wire holder.
5)
Remove the screws, and then remove the drawer bottom
plate.
Take care not to catch the connector of the drawer solenoid
harness by the hole in the drawer cabinet.
6)
Remove the screws from the bottom surface, and remove
the lock unit.
7)
Remove the screw, and remove the drawer solenoid.
When assembling, be sure to engage the drawer solenoid
plunger with the lock.
8)
⚠
CAUTION
⚠
CAUTION
⚠
CAUTION
LOCK
Plunger
Lock
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