Epson C Series, Maintenance Manual

Page: 169 / 668

C4 Maintenance 12. Replacing the Battery Unit
C Series Maintenance Manual Rev.2 149
The battery may run out if it passes the recommended replacement time.
If no warnings of voltage reduction occur, the calibration for all joints is not necessary. You
need to perform calibration if the position moves from the originals after replaced the battery.
Always use the lithium battery and battery board designated by us.
(Refer to
Maintenance: 14. Maintenance Parts List
.)
Be careful of the battery polarity to connect it correctly.
Upper: Control board 1
Bottom: Battery board
Battery (lithium battery)
Note: The battery relay cable unit is reusable. If the cable or the connector clip is broken during replacement
of the cable unit and battery, replace the cable unit. For details on the replacement, refer to Removal
step (10) and Installation step (55) in
C4 Maintenance 4. Cable Unit.
Name Quantity Note
Maintenance
Parts
Battery unit (Lithium battery) 1
1605912
(2 lithium batteries for replacement)
Battery board 1 2177458
Battery relay cable unit 1
1653173
(Reusable. See “Note” below)
Tools
Nippers 1
Cross-point screwdriver 1 For covers
Hexagonal
wrench
width across flats: 2.5 mm 1 For M3 hexagon socket head cap bolts
width across flats: 3 mm 1 For M4 hexagon socket head cap bolts