2-9
EM18-33012
2. MAJOR UNIT REPLACEMENT
2.6 REPLACING THE PRINT HEAD
2.7 REPLACING THE PLATEN AND FEED ROLLER
1) Remove the front plate and belt cover. (See Fig. 2-6.)
2) Disconnect the connector for the strip sensor (LED).
3) Remove the six screws (FL-4x6, B-4x12 and P-3x8) to detach the right plate ass’y.
Fig. 2-14
(1) Loosen the screws c securing the print head position adjusting pin.
(2) Loosen the screws b one by one, slightly move the print head backward or forward, and then
tighten the screws b and c . Ensure that the print head is parallel to the platen. If not, print
tone will be uneven.
(3) Make a test print and if necessary, repeat Step 2) until the printer prints properly.
CAUTION:
1. NEVER remove the four screws painted red fixing the right plate and reinforcing plate.
(See Fig. 2-15)
2. The pinch roller belt assembled inside the printer does not need to be replaced because it
receives less load.
Print Head Bracket
Print Head
b (securing the print head)
c (securing the adjusting pin)
A
(Print Head Position
Adjusting Pin)
c
b
NOTE: The machine with a serial number of 4T x x x x x x or later is not equipped with the red screws
because of the change in the right plate shape.
Fig. 2-15
Connector
Strip Sensor (LED)
Screw (P-3x8)
Screw (B-4x12)
Right Plate
Screw (B-4x12)
Screw
(FL-4x6)
Screws painted red
(NEVER remove these screws.)
