Xerox 7750DXF - Phaser Color Laser Printer Service Manual page 263

Developer Drive Assembly
1. Remove the 3.3 VDC and 5 VDC power supply and bracket assembly, see
page 8-44.
2.
Disconnect the wiring harness from the developer drive assembly.
3. Clear the high-voltage lines.
4. Remove the 2 black screws securing the developer drive assembly to the printer
frame and remove from the printer.
Replacement Procedures
Caution
When reinstalling, ensure that the assembly seats against the frame and
rotate the main drive to ensure the gears move freely.
Service Parts Disassembly
7750-124
8-51