Printronix P9012, Maintenance Manual

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6–10 Replacement Procedures
Ribbon Control PCBA
(Figure 6–4)
Removal
1. Remove the ribbon deck assembly as described on page 6–8.
2. Remove two screws (1) and washers (2) from the ribbon deck covers (3).
3. Remove two ribbon deck covers from the ribbon deck housing (4).
4. Disconnect connector J45 (5) from shunt plug P45 (6).
5. Disconnect connectors (7) and (8) from PCBA connectors RMJ1 (9) and
RGJ1 (10).
6. Disconnect connectors (11) and (12) from PCBA connectors RMJ2 (13)
and RGJ2 (14).
7. Disengage connectors J30 (15) and J33 (16) from the ribbon deck
housing.
8. Remove four hex head screws (17) and flat washers (18).
9. Remove the ribbon control PCBA (19) from the ribbon deck housing.