Nantian Electronics PR9 ES, Service Manual

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PR9 Service Manual
Page 94 of 102
6.3.10 PRINTHEAD MOVEMENT MOTOR DISASSEMBLY/REASSEMBLY
Remove the upper part of the mechanical assembly (6.3.5).
Loosen the screw (1) that secures the return pulley support and then release
the carriage movement belt from the motor
Unscrew the two special securing screws (2) and then remove the printhead
movement motor being careful to avoid damaging the ribbon feed gears.
Note: After reassembly, correctly reposition ground spring and then adjust the
carriage feed belt.
Fig. 6-7
6.3.11 SERVICES MOTOR DISASSEMBLY/ REASSEMBLY
- Remove the printer case (6.3.1)
- The services motor is situated the left side of the mechanical assembly.
- Lift the front part of the mechanical assembly, partly rotating it until you are
able to reach the connectors on the main board.
- Unplug the services motor connection cable from the main board.
- Remove the two screws (1) that secure the motor in left-hand side of the frame
and remove the services motor from the machine.