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Xerox Phaser 790 User Manual

Xerox Phaser 790
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Page #31 background image
10/00
2-17
Phaser 790/DocuColor 2006
001-707
Status Indicator RAPs
Initial Issue
001-707 Area 2 Open RAP
Initial Actions
Perform the following:
• Check the actuator for the Turn Chute Interlock. Ensure it is not broken or damaged.
• Ensure the Turn Chute is closed.
Procedure
Access the Digital Input (DI) test from the Control Panel. Enter code [84]. Press the Item/Enter
button. The display indicates 0.
YN
Go to Flag 1 and Flag 2. Check the wires for an open circuit. If the wires are good, replace
the Turn Chute Interlock (PL 3.3). If the problem continues, replace the MCU PWB (PL
11.2).
The problem may be intermittent. Go to Flag 1 and Flag 2 and check for loose or damaged
connections or damaged wires. If the problem persists, replace the Turn Chute Interlock (PL
3.3). If the problem continues, replace the MCU PWB (PL 11.2).

Table of Contents

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Questions and Answers:

Xerox Phaser 790 Specifications

General IconGeneral
BrandXerox
ModelPhaser 790
CategoryCopier
LanguageEnglish

Summary

Service Call Procedures

Service Call Procedures

Guide for performing service on the Phaser 790/DocuColor 2006, detailing steps in order.

Initial Actions Procedure

Gathers information about the service call and machine condition before proceeding.

Call Flow Procedure

Outlines the sequence of activities for a service call.

Status Indicator RAPs

Image Quality

IQ1 IOT Image Quality Entry RAP

Serves as the entry point for troubleshooting IOT image quality defects.

IQ2 IIT Image Quality Entry RAP

Serves as the entry point for troubleshooting IIT image quality defects.

IQ3 Low Image Density RAP

Troubleshoots image density issues where output is lower than specification.

IQ4 High Density RAP

Addresses issues where image density is too high.

IQ5 Solid Black (or other Color) Sheet RAP

Troubleshoots solid black or single color image defects.

IQ6 Blank (or Nearly Blank) Sheet RAP

Addresses issues where the output is blank or has very low image density.

IQ7 Residual Image (Ghosting) RAP

Troubleshoots ghosting or residual images on the output.

IQ8 IOT Background RAP

Addresses undesirable toner deposits on the copy or print.

IQ9 Deletions RAP

Troubleshoots missing image areas or deletions on the copy.

IQ10 Color-to-Color Misregistration RAP

Addresses color misalignment in the process direction.

IQ11 IOT Skew RAP

Troubleshoots paper skew issues originating from the IOT.

IQ12 IIT Skew RAP

Troubleshoots paper skew issues originating from the IIT.

IQ14 Process Direction Bands, Streaks, and Smears RAP

Troubleshoots linear defects like bands, streaks, and smears.

Repairs and Adjustments

ADF

Provides repair procedures for the Automatic Document Feeder assembly and its components.

Parts List

Fusing

Lists all parts related to the fuser assembly, including lamps and sensors.

Wiring Data

Wirenets

Shows the distribution of DC voltages and DC Common throughout the printer.

BSDs

Introduces Block Schematic Diagrams (BSDs) showing electrical and mechanical power distribution.

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