IBM V03 Maintenance Information page 207

Attachment card
Guide Assembly
Interposer
Connector
Perform the following procedures first:
1. Remove the Rear cover.
2. Remove the Attachment cards: serial, twinax, LAN, coax.
Then:
1. Remove 3 screws holding the attachment card guide asm. to
the printer base and support posts.
2. Remove 1 screw holding the grounding strap to the frame.
3. Hold the rear of the card guide asm. near the right support
post and gently lift up until the card guide asm. detaches from
the main board. Then, carefully, move the card guide asm. to
the right to remove it.
4. To remove the interposer card, remove the 2 screws holding
the card and the ground strap to the attachment card guide
asm.
Chapter 5. Removals, service checks and adjustments
207