2-5
2. MAIN UNIT REPLACEMENT
EO18-33014
(Revision Date: Jan. 29, 2004)
2.2 REPLACING THE DRIVE PC BOARD AND THE STEPPING MOTOR ASS'Y
2.2 REPLACING THE DRIVE PC BOARD AND THE STEPPING MOTOR ASS'Y
1)
Remove the bottom cover, top cover, and CPU PC board from the printer. For the GH40 model, also
remove the wireless LAN module and gear cover.
(Refer to Section 2.1 REPLACING THE CPU PC BOARD AND WIRELESS LAN MODULE.)
2)
In case of the GH20 model, remove the SMW-2x6 screw to release the earth wire of the interface PC board
(RS-232C).
3)
Release the connector lock to disconnect the FPC cable, and then pull out the interface PC board (Bluetooth
or RS-232C).
4)
Remove the gears from the printer in the following order; 1. motor idler gear, 2. idler gear, 3. platen idler
gear.
5)
Remove the 1. stepping motor ass'y, 2. ATC-battery terminal ass'y, and 3. drive PC board from the printer as
an assembly.
6)
Remove the stepping motor ass'y and the ATC-battery terminal ass'y from the drive PC board.
3. Drive PC Board
1. Stepping Motor Ass'y
2. Idler Gear
3. Platen Idler Gear
1. Motor Idler Gear
FPC Cable
Connector Lock
2. ATC-Battery Terminal Ass'y
Interface PC Board (Bluetooth)
(GH30 model only)
(GH20 type only)
Earth Wire
SMW-2x6 Screw
Interface PC Board
(RS-232C)