Specifications

32056L Rev. 2 12/4/01 105SL Maintenance Manual Page 4-21
PREVENTIVE AND CORRECTIVE MAINTENANCE SECTION 4
NOTE: Retain all attaching hardware to use during reassembly.
3. Refer to Figure 4-13. Remove the option card shield if installed. Press the card release
the button to remove the PCMCIA card from the card slot located at the rear of the
printer.
4. Remove the optional interface board if installed.
5. If there is a PCMCIA option board, remove the screw attaching the option board to the
standoff on the printer main frame. To release the PCMCIA option board from the main
logic board, carefully squeeze the ends of the standoffs to free the board, and
disconnect the two connectors from J23 and J24. Remove option board.
6. Refer to Figure 4-5. Disconnect all ribbon cables and wire connectors from the main
logic board.
7. Refer to Figure 4-13. At the rear of the printer, remove the two screws and the two
studs with their washers holding the serial and parallel interface connectors to the back
of the printer.
8. Pivot the front end of the main logic board away from the printer and then pull the board
away from the back panel.
To install the main logic board:
1. Position the cables out of the way. Position the new main logic board so that the
parallel and serial connectors extend through the rear panel. Line up the main logic
board with the two hex standoffs. Secure the logic board to the standoffs with two
screws.
Figure 4-13. Main Logic Board Removal and Installation (Printer Configurations
10500-2XXX-XXXX and 10500-3XXX-XXXX)
Option Card
Shield
Optional Memory
Card
Optional
Interface
Board
Plastic
Standoffs
Main Logic
PCB
PCMCIA
Option
Board