3-34 Phaser 8400/8500/8550/8560 Color Printer Service ManualError Messages and Codes26,962.6x Errors - “Fall Out” CodeCheck the previous error in the fault history and troubleshoot that code.27,0XX.6x Errors - Profile LibraryEnsure the ground integrity of the printer (see “Ensuring Ground Integrity” onpage 4-65).29,0XX.6x Errors - Jam Manager1. Reset NVRAM, and then retest.2. Replace the NVRAM.31,0XX.4x Errors - Mechanical Initialization JamThe Media Drive motor stalled while moving the media path drive train. Lookfor interference or debris in the paper path. Check/test Media Drive motor.31,001.40: Mechanical initialization jam fault.Troubleshooting Procedure for Mechanical Unit JamStep Questions and Actions Yes No1 Check that all the main tray paper pathsensor wires are clear of the Take AwayRollers.Are any wires damaged?Replace thewiringharness.Go to Step 2.2 Are the Take Away Rollers dirty,contaminated, or damaged?Replace theTake AwayRollers.Go to Step 3.3 Run the Paper Path Drive test.Did the test pass?Go to Step 5. Go to Step 4.4 Run the Media Drive Motor test.Does the Media Drive Motor run extremelyfast?Replace theMedia DriveAssembly.Go to Step 5.5 1. Remove the Media Drive Assembly andmanually rotate each paper path roller.2. Identify any roller that may be binding andcausing drag.3. Repair or replace as necessary.Did this correct the problem?Complete. If the path isclear of debrisand the rollersrotatenormally,replace theMedia DriveAssembly.
