Repair information 4-17
4506-1xx
Controller card removal
Warning: Do not replace the operator panel and controller card at the same time. Each card contains the
printer settings. When either of these cards is new, it obtains some of the settings from the other
card. Settings are lost when both are new and replaced at the same time.
1. Remove the left cover. See “Left cover removal” on page 4-5.
2. Disconnect all of the cables.
3. Remove the four screws (A).
4. Push the latch in the plastic standoff (B) using a screwdriver or spring hook while gently pulling the bottom
of the card away from the printer.
5. Remove the card.
6. When re-installing, be sure the printhead cable is routed through the upper right side of the controller card
cutout.
AB A
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