21
18.
Replace the cable tie.
19.
Replace the ribbon.
20.
Lower the print mechanism until it locks completely.
21.
Reconnect the power cord, power up the printer check for proper motor
operation and return to service.
4.4
Paper Feed motor replacement
TOOLS REQUIRED
2.5 mm Hex driver
4 mm Hex driver
5 mm Hex driver
Small screwdriver
Drumgate safety pin
Compressive spring gauge
1.
Power down the printer and remove the power cord from the power
source.
2.
Remove the Electronics assembly access cover.
3.
Disconnect the six wires from the paperfeed motor to the terminal block
of the paperfeed booster. Ensure that the wires are properly labeled as
a reference.
4.
Remove the screws securing the belt guard and remove the guard.
5.
Use a 5 mm hex driver to loosen the screw in the rear belt tension roller,
swing it out of the way, and remove the belt.
WARNING
Do not remove belt guard with printer connected to
the power source.
6.
Raise the drumgate to the maintenance position and secure with the
safetly pin through the gate hinge and under the gate interlock block.
7.
Open the paper access door.
8.
Loosen the two screws securing the circuit breaker to the front panel.
9.
Remove the front panel.
10.
Loosen the lock of a threaded link securing a counterbalance spring to
a turnbuckle.
11.
From the front of the printer, grasp the base of the spring, pull towards
the turnbuckle, and disengage from the threaded link. Repeat for the
second link and spring.
