Printronix L1024, Maintenance Manual

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9–31 Chapter 9 – Controllers and Floppy Disk Drives
9.10.1 Removal (see Figure 9–12)
1. Remove the data controller board from the printer, as described in section 9.6.1.
2. Loosen the thumbscrew (4) on the C/T board (3) until the screw is released from the standoff
(5).
3. Remove the screw securing the I/O plate to the rear of the card cage (1).
4. Carefully lift the C/T board out of the data controller cutout (6) and off the expansion
connector (7).
9.10.2 Installation (see Figure 9–12)
1. Remove the data controller board from the printer, as described in section 9.6.1.
2. Remove the screw holding the I/O cover plate to the L1024 data controller pan (1). Save the
screw.
3. Screw the standoff (5) onto the pan, through the hole next to C54.
4. Carefully install the C/T card (3) with the expansion connector (7) onto the board.
5. Using the screw which held the I/O cover plate (1), screw the I/O plate (2) to the pan. Tighten
the thumbscrew (4) to the standoff (5).
6. Re-install the data controller as described in section 9.6.2.
9.10.3 Expansion C/T Parts List
Callout Name Printronix Part No.
1 Screw Ref
2 Card Cage Ref
3 Expansion–CT PCBA 152319–001
4 Screw, Captive Ref
5 Standoff, Hex, 3/16 inch, M/F, .813 Lg. Ref
6 L1024 Data Controller Board Ref
7 Expansion Connector Ref