Xerox Phaser 6250 Service Manual

Also see for PHASER 6250: Guidelines Supplementary guide Manual Service manual Maintenance instructions

Contents

Xerox Phaser 6250 Service Manual Manual pdf 203 page image

Print-Quality Troubleshooting 5-15Solid Dark or Dirty Prints, No BorderThe prints appear very dirty and brown overthe entire page.This print-quality symptom is a compositeimage of all colors with no margin. This iscaused by a charge voltage failure. Forinformation on the Imaging Unit chargecontacts, see "Theory of Operation" onpage 2-1.NoteAfter replacing any component in Step 2 or 3, run the Clean the Imaging Unitfrom the Maintenance section of Service Diagnostics. See "Service DiagnosticTests" on page 3-9.Troubleshooting ProcedureStep Check Yes No1 Is the problem resolved afterreplacing the Imaging Unit?Complete Go to Step [2].2 Inspect the Imaging Unit chargevoltage contacts (PL9.1.5) and theBias Housing Assembly (PL 9.1.4) inthe printer for any damage ordefects. See "Imaging Unit ChargeVoltage Contacts" on page 2-36.Complete Go to Step [3].3 Is the problem resolved afterreplacing the Sub-High VoltageSupply Board, page 8-87?Complete Replace the EngineControl Board,page 8-107.