IBM PCjr - Page 352

Driver Circuit Card Replacement 1422
1. Align twoconnectors CN4and CN5 ^ on bottom
of driver circuit card with connectors CN4 and CN5
on control circuit card.
D 0
3.
4.
CAUTION
CN4 and CN5 are not keyed. Verify proper
alignment before powering-on-to prevent circuit
card damage. /
Connect driver circuit card to control circuit card by
pressing down firmly on connectors. Be sure to
guide connector CN6 cable into slot on left front
edge of driver circuit.
Install two screws 0.
Install connector CN6 0.
Q O SB
5. Replace top cover (1434).
6. Replace access cover (1430).
7. Replace forms rack (1440).
4-1400-20 Graphics Printer