SATO CG412DT Service Manual page 103

7.6 OPERATOR PANEL (KB) BOARD REPLACEMENT (cont'd)
7.
Replace the new Operator Panel (KB) board and follow
the above steps in reverse sequence, to reassemble the
parts.
Notes:
• During replacement, ensure the two blue buttons were
in the position where the tab sits in the groove.
• Ensure the wiring route neatly as shown and arrange all
the wiring to avoid from being pinched.
7.6.2 Operator Panel Board Replacement (For CG408 TT and CG412 TT Thermal transfer
printer)
1.
Ensure the printer is turned off, and remove the power
cable.
2.
Lift the Top Cover .
3.
Pull the lever on the middle of the ribbon unit downward to
pull out the ribbon unit . Then, simply let down the ribbon
unit . There is a stopper midway through its movement
range that will prevent the ribbon unit from snapping down.
4.
Remove the two screws (circled) securing the Operator
Panel (KB) board to the underside of the Top Cover . Then
push the left catch of the Top cover in the direction of the
arrow as shown to detach the Operator Panel (KB) board.
5.
Disconnect the cable connector (circled) from the defec-
tive Operator Panel (KB) board .
CG4 Series Service Manual
Section 7: Replacement Procedures
Top cover frame
Lever
Operator
1
Panel board
2
Blue buttons
Operator Panel board
Page 7-9