Xerox 7750DXF - Phaser Color Laser Printer Service Manual page 266

Main Lever Assembly
Reinstallation Procedures
Note
Slide the main lever gears under the lift jack assembly racks and lift into
position. Verify that the timing marks on the main lever and the lift jack
assemblies align. The main lever assembly requires extra pressure
approximately 1" from the front of the printer when properly aligned.
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