Genicom 3860 -- Main Logic PCA Removal

The Main Logic PCA is removed as an assembly with its EMI/RFI shield attached. There is no need to unfasten the PCA from the shield. All but one of the covers have to come off. Proceed as follows:

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Cover Removal

1) Ribbon Cartridge Access Cover
- Tip it up and lift it off its hinge pins.

2) Upper Rear Cover
- Tip it back and disengage the two restraint straps from their studs.
- Lift it off its hinges.

3) Main Cover
- Two M4x16mm pan head screws w/flanged spacers (i.e. the upper rear cover restraint strap studs.)
- Two ground wire spade terminals.
- Two claws at front under the ledge.
- Two claws behind where the screws w/flanged spacers were.
- Lift the cover partway off.
- One cable connection at control panel.
- Lift the cover completely off.

4) Lower Left Side Cover
- Two claws underneath.
- One claw at upper front.

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Main Logic PCA w/EMI/RFI Shield Removal

1) There's a sheet metal ground continuity plate at the lower rear. Remove it -- three M3 screws.

2) Sixteen cable connections.

3) Two M4x14mm hex head screws w/flat washers (7mm A/F hex). The screws are at the left side of the printer mechanism cavity. They're what's holding the inboard side of the PCA/Shield assembly in place.

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