Printronix P9012, Maintenance Manual

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6–18 Replacement Procedures
Shuttle Assembly
(Figure 6–7)
Removal
1. Disconnect the AC power cord from the rear of the printer. Open the top
cover.
2. Remove the ribbon deck assembly as described on page 6–8.
3. Set the forms thickness lever (1) to fully open. Remove paper.
4. Loosen two captive screws (2) and remove the cam cover (3).
5. Remove six screws (4), the cam front cover plate (5), and the gasket (6).
6. Remove two screws (7), lockwashers (8), and the dust barrier block (9).
7. Disconnect the coil connectors (10).
8. Remove two screws (11), lockwashers (12), and one shoulder screw (13)
and lockwasher (14).
9. Swing the left end of the shuttle assembly (15) toward the front of the
printer to relieve the shuttle spring preload. Then, lift the shuttle
assembly off the alignment pin (16).