Radio Shack TRS-80 PT-210 Service Manual page 44

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How to Dismount the Printer Unit
1. For dismounting the Printer Unit from the Base Cover Unit, first remove the printer rocks
yQ)
on the
side of the catch, and second disengage the catch
@
from the printer frame
@.
The catch at-
taches the Printer Unit to the Printer frame
(2)
at two places on the side of the C R motor assembly
(T)i
While holding the top of the catch, turn it in the direction shown by arrow
@
in Figure 38.
Figure 38.
2 Remove the two screws@ on the side of the CR motor assembly and the LF motor assembly, and
then, remove the two screws, at the frame ground wire of the C R motor assembly and the LF
motor assembly.
3. Disconnect the C R motor's lead wires @and the LF motor's lead wires
(5)
from the Control Unit at
the connectors.
4. Disconnect the solenoid assembly's lead wires @and the photo-interrupter's lead wires
(?)
from the
Control Unit at the connectors.
5. Extract the flexible printed circuit board of the thermal head assembly from the Control Unit.
6.
Upon completion of these steps, disengage the Printer Unit from the catch on the side of the LF
motor
0.
Now the Printer Unit may be dismounted from the Base Cover Unit.