Change History
This page gives information on major changes to the service manual. Please go to the relevant
update.
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April 2006
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December 2006
April 2006
The WorkCentre 4118P and WorkCentre 4118X have been introduced. These are variations of
the WorkCentre M20. Throughout this manual, procedures and parts that are unique to either
the WorkCentre M20 family or the WorkCentre 4118 family will be designated M20F or 4118.
This issue of the service manual was updated at a time when the introduction of RoHS
(Restriction of Hazardous Substances) compliant parts was initiated. Due to these factors,
extensive changes have occurred to the part numbering within the parts lists.
The following procedures are updated
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SCP 7 Machine Configurations and Options.
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1.1 Power Failure RAP
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5.1 Load Document RAP
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5.2 Document Jam RAP
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6.1 LSU Error RAP
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8.1 Door Open RAP
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8.2 Bypass Lam RAP
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8.3 Duplex Jam RAP
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8.4 Paper Jam 0 Open/Close Door RAP
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8.5 Paper Jam 1 Open/Close Door RAP
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8.6 Paper Jam 2 Check Inside RAP
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8.7 No Paper Add Paper RAP
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9.1 Install Cartridge RAP
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9.2 Non-Xerox Toner Cartridge RAP
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9.4 Replace Drum RAP
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9.5 Toner Empty RAP
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10.1 Low Heat Error RAP
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10.2 Open Heat Error RAP
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10.3 Over Heat Error RAP
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20.1 Fax Error Messages RAP
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20.3 Fax Faults Without a Message RAP
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OF3 Use Auxiliary Access RAP
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OF4 Audible Noise RAP
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IQ1 Blank Copies RAP
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IQ2 Black Copies From the Scanner RAP
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IQ3 Blurred Image From the Scanner RAP
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IQ4 Vertical Black Lines or Bands RAP
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IQ6 Light Image RAP
Introduction
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IQ7 Dark Image RAP
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IQ8 Background RAP
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IQ9 Ghost Images RAP
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IQ11 Poor Fusing RAP
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IQ14 Different Image Density (Left and Right) RAP
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IQ15 Horizontal Bands RAP
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IQ16 Periodic Printing Defects RAP
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REP 1.2 PBA Main (M20F)
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REP 2.1 ELA HOU OPE Assembly (M20F)
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REP 4.1 ELA HOU - Drive Assembly
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GP 1 Engine Test Mode Entry
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GP 2 User Mode Entry
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GP 3 Service Mode Entry
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GP 5 Memory Clear
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GP 6 Maintenance
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GP 7 Reports
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GP 11 Machine Specifications
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GP 12 Circuit Description
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GP 13 Circuit Operation
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GP 15 Host Interface
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GP 20 Acronyms and Parts Description List
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GP 21 DADF/ADF Document Feeding Specifications
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Wiring Diagram 1 (M20F)
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Wiring Diagram 2 (M20F)
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Wiring Diagram 3 (M20F)
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Wiring Diagram 4 (M20F)
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Wiring Diagram 5 (M20F)
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Wiring Diagram 6
The following procedures are new.
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IQ17 Print Damage RAP
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IQ18 DADF Lead Edge Offset RAP (M20F)
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IQ19 Poor Side Edge Registration RAP
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IQ20 Spots or Marks RAP
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REP 1.3 PBA Main (4118)
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REP 1.4 SMPS (4118)
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REP 1.5 SMPS (4118)
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REP 2.2 ELA HOU OPE Assembly (4118)
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REP 5.2 ELA HOU - ADF (4118)
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ADJ 5.1 DADF Side Edge Registration Adjustment (M20F)
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ADJ 5.2 ADF Side Edge Registration Adjustment (4118)
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GP 24 ADF Test (4118)
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Wiring Diagram 7 (4118)
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Wiring Diagram 8 (4118)
December 2006
iv
WorkCentre M20, 4118, FaxCentre 2218 Family