Q WARNING:

High voltages are present inside the printer when the power is on. Do not attempt to remove the controller board unless the printer is turned off and the power cord is unplugged. Also, try not to touch the contacts on the board because many of the components can be destroyed by the static electricity in your body.

Removing the controller board

1.Turn off the printer and unplug the power cable from the electrical outlet.

2.Remove the optional card, cartridge, or lower paper cassette unit, if installed.

3.Disconnect all interface cables from the interface connectors.

4.Turntheprintersothatitsleftsidefacesyou.Usea cross-head screwdriver to remove the two screws securing the interface board cover. Then pull off the cover. Keep the screwshandysothatyoucanusethemlater.

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