Switch Assembly, Platen Interlock - IBM 6400 Maintenance Information Manual

Switch Assembly, Platen Interlock

Removal
1. Prepare the printer for maintenance (page 152).
2. Cabinet Model: Remove the paper guide assembly (page 229).
Pedestal Model: Remove the top cover assembly (page 204).
3. Fully close the forms thickness lever (position 'A').
4. Trace the platen interlock switch cable back to the controller board.
Remove tie wraps as necessary to free the cable. (See cable routing
diagrams on page 300 and page 302.)
5. Disconnect connector shell P107 (P7) from the controller board.
6. Remove the platen interlock cable connector from the connector shell
(page 195).
7. Remove two screws securing the platen interlock switch assembly. (See
Figure 51, page 276.)
8. Remove the platen interlock switch assembly from the switch bracket.
9. Remove the switch cable from the cutout in the right side plate.
Installation
1. Fully close the forms thickness lever (position 'A').
2. Position the platen interlock switch assembly on the switch bracket and
install the two screws securing it to the bracket. (See Figure 51, page
276.)
3. Route the switch cable through the cutout in the right side plate and to the
controller board. (See cable routing diagrams on page 300 and page
302.)
4. Connect the platen interlock switch cable to the connector shell P107 (P7)
(see page 195), then connect the connector shell to the controller board.
5. Cabinet Model: Install the paper guide assembly (page 229).
Pedestal Model: Install the top cover assembly (page 204).
6. Return the printer to normal operation (page 153).

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