Xerox 7300B - Phaser Color Laser Printer Service Manual

Also see for 7300DX - Phaser Color Laser Printer: Brochure & specs Specification Overview

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Xerox 7300B - Phaser Color Laser Printer Service Manual Manual pdf 117 page image

Troubleshooting 3-101Color Mis-RegistrationThe image appears blurred and the primarycolors are not aligning correctly into one image.For a page oriented Long-Edge Feed, as the oneshown here, the following applies:If the colors are shifted from left to right, this ismis-registration in the process direction.If the colors are shifted from top to bottom, thisis mis-registration in the scan direction..Troubleshooting ProcedureStep Check Yes No1 Cycle power to the printer. This will perform aColor Registration Calibration.Did this correct the problem?Complete Go to step [2].2 Load media long-edge feed into Tray 1 or theMPT.Print the Supplies Page and hold the print out ina portrait orientation to evaluate:Are the colors shifted left to right?Go to step [3] Go to step [9].3 Process Direction:Remove the Imaging Units and Transfer Unit.Inspect the registration sensors for dirt, debrisor toner build-up.Are the sensors clean and free from debris?Go to step [4]. Clean thesensors.4 Verify the Color Registration Shutter opens andcloses by actuating the registration shuttersolenoid from service diagnostics.Is the shutter functioning correctly?Go to step [5]. Replace thesolenoid andwiring harness.5 Inspect the Transfer Unit for tears or damageon the edges of the belt.Is the belt damaged?ReplaceTransfer UnitGo to step [6].6 Visually inspect the Imaging Unit drive gears formissing or worn gear teeth.Use service diagnostics to run the Imaging UnitMotors test to visually inspect the gears.Are the gears working correctly?Go to step [7]. Replace theImaging UnitDrive Gear.