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Replacement Procedures and Illustrated Parts List
Circuit Board: Controller
ATTENTION
To prevent electrostatic damage to electronic components, wear a
properly grounded static wrist strap when handling circuit boards, the
shuttle frame assembly, and any other electronic component.
NOTE: 6400–050, –P50, –010, –P10, –014, and –015 printers must use the
40 MHz CMX controller board.
Removal
1. Make a configuration printout of all configurations. (Refer to the
Operator’s Guide
.)
2. Prepare the printer for maintenance (page 194).
3. Cabinet Model: Remove the paper guide assembly (page 235).
Pedestal Model: Remove the top cover assembly (page 210).
4. Disconnect all cable connectors from the controller board. (See page
275, Figure 45.)
5. Loosen, but do not remove, the screws securing the controller shield
near serial cable connector J201.
6. Loosen, but do not remove, the screw securing the controller shield to
the bottom of the card cage, on the left side near the card cage fan.
7. Slide the controller board to left until the keyway clears the screw
securing the controller board to the bottom of the card cage.
8. Remove the controller board.
9. Remove the DRAM SIMM, FLASH SIMM, and Security PAL from the
controller board (page 224). These will be installed on the replacement
controller board. The Security PAL must be installed on the replacement
controller board to ensure the printer functions correctly.
NOTE: When Flash SIMMs are removed from one controller board and
placed on another controller board, the SIMMs must be placed on
the new board in the same order and location as on the original
board.
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