Main Logic (Cbnp) Board - OKIDATA Pacemark 3410 Service Handbook

3.2.06

Main Logic (CBNP) Board

1. Remove the upper cover assembly. (3.2.03)
2. Remove the ribbon cartridge.
3. Release the lock of connector CN10 (1) and detach the operator panel cable (2).
4. Remove the five shield cover mounting screws (3).
5. While slightly lifting the shield cover (4), detach connectors CN11 (5) and CN12 (6)
from the main logic board.
6. Remove the shield cover.
7. Detach the connectors CN1, CN2, CN3, CN5, CN6, CN7, CN8, and CN9 (7).
8. Loosen the mounting screw (8).
9. Remove the main logic board (9).
CAUTION:
When assembling the printer, follow these instructions.
1. Do not allow cables to get caught under the main logic board.
2. Insert the main logic board into the groove in the base tray (10).
3. Fit the main logic board into the groove (11) in the shield cover, then secure the
shield cover.
P/N 55061611 PCB: CPNB Main Logic (w/o ROM)
P/N 55934601 IC: EEPROM NM93C06N-NW
P/N 56212601 Switch: Interlock (Assy)
Maintenance
RSPL
RSPL
RSPL
3 - 16 Pacemark 3410 Service Handbook
B.2.03
B.2.03
B.2.04