Xerox WorkCentre 5021 Service Documentation

08/2012
3-1
WorkCentre 5021/5019
Image Quality
Initial Issue
3 Image Quality
3.1 Introduction
3.1.1 Composition of Chapter 3 Image Quality Troubleshooting ................................... 3-3
3.1.2 Test Pattern........................................................................................................... 3-3
3.1.3 Image Quality Troubleshooting ............................................................................. 3-4
3.2 Image Quality RAPs
IQ1 IOT Image Quality Entry RAP ................................................................................. 3-5
IQ2 IIT Image Quality Entry RAP ................................................................................... 3-5
IQ3 Low Image Density RAP ......................................................................................... 3-6
IQ4 Wrinkled Image RAP............................................................................................... 3-6
IQ5 Residual Image (Ghosting) RAP ............................................................................. 3-7
IQ6 Background RAP..................................................................................................... 3-7
IQ7 Deletion RAP........................................................................................................... 3-8
IQ8 Skew/Misregistration RAP....................................................................................... 3-8
IQ9 Process Direction Bands,Streaks,and Smears RAP ............................................... 3-9
IQ10 Unfused Copy/Toner Offset RAP .......................................................................... 3-10
IQ11 Repeating Bands,Streaks,Spots,and Smears RAP............................................... 3-10
IQ12 Mottle RAP ............................................................................................................ 3-11
IQ13 Spots RAP............................................................................................................. 3-11
IQ14 Black Prints RAP................................................................................................... 3-12
IQ15 Blank Image RAP.................................................................................................. 3-12
3.3 Image Defect Sample
3.3.1 IOT Image Defect Sample..................................................................................... 3-15
3.3.2 IIT Image Defect Sample ...................................................................................... 3-15
IDS1 Auger Mark............................................................................................................ 3-16
IDS2 Strobing (27mm or 13.5mm Pitch Density) ........................................................... 3-16
IDS3 White Streaks (Process Direction) ........................................................................ 3-17
IDS4 Black Bands .......................................................................................................... 3-17
IDS5 Toner Contamination............................................................................................. 3-18
IDS6 Toner Splattering................................................................................................... 3-18
IDS7 White Spots (Irregular).......................................................................................... 3-19
IDS8 Regular Blank Areas In Process Direction (Spots, Streaks, Bands etc.) .............. 3-19
IDS9 Regular Toner Contamination In Process Direction (Spots, Streaks, Bands etc.) 3-20
IDS10 Regular Toner Contamination In Process Direction (Side 2) .............................. 3-21
IDS11 Moire Due to Interference With Copy Documents............................................... 3-22
IDS12 Light Background Due to Background Suppression in Copies of Documents With
Frames............................................................................................................................ 3-22
IDS13 Background Smear When Using Platen Copy With Non-Standard Documents . 3-23
IDS14 Fluctuation In Background Suppression Values for Copies of Documents With Medium
Density............................................................................................................................ 3-24
IDS15 Defects Related To Scan Print............................................................................ 3-24
3.4 Fusing Unit Paper Wrinkle Alignment Adjustment ................................................... 3-25
3.5 Cycle Table .............................................................................................................. 3-27

Xerox WorkCentre 5021 Specifications

General

Print Technology	Laser
Print Speed	Up to 20 ppm
Copy Speed	Up to 20 cpm
Copy Resolution	Up to 600 x 600 dpi
Scan Resolution	Up to 600 x 600 dpi
Paper Capacity	250 sheets
Monthly Duty Cycle	Up to 20, 000 pages
Connectivity	USB 2.0
Functions	Print, Copy, Scan
Maximum Paper Size	A3
Duplex Printing	Manual
Memory	128 MB
Fax Transmission Speed	33.6 Kbps (optional)
Operating System Compatibility	Windows, Mac
Print Resolution	600 x 600 dpi