Xerox 7700DX - Phaser Color Laser Printer Service Manual page 214

11.Disconnect the harness.
12.Remove the Print Cartridge Plate Assembly.
Replacement.
Note Ensure the developer assemblies are fully and evenly
seated when reinstalling the Print Cartridge Plate
Assembly. There is a locating pin at the back of each
developer housing assembly.
Note Lightly tug the wires to ensure that they are not pinched
by the plate or developers while reinstalling.
Caution Be very careful not to catch any of the wires on the
left-hand side of the plate while re-installing.
Caution There are two locating holes in the PCPA that
corresponds to locating pins on the frame of the printer.
Failure to align the holes with the pins prior to tightening
screws could result in bending the plate.
Note Center the connectors flat against the wire guide with the
yellow developer connector further to the right.
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Phaser 7700 Color Laser Printer Service Manual