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Kyocera DF-770 User Manual

Kyocera DF-770
97 pages
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SERVICE
MANUAL
Published in January 2011
843NC110
3NCSM060
First Edition
DF-770
AK-730
PH-7A/7C/7D
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Kyocera DF-770 Specifications

General IconGeneral
BrandKyocera
ModelDF-770
CategoryFinishers
LanguageEnglish

Summary

General Safety Warnings

Battery Disposal Precautions

Warns about risks of incorrect battery replacement and proper disposal of used batteries.

Safety Precautions

Introduction to Safety Warnings

Explains the booklet's purpose for service personnel safety during maintenance.

Safety Warning Symbols and Definitions

Defines DANGER, WARNING, CAUTION symbols and their meanings.

Installation Precautions

Power Supply and Grounding Requirements

Details safe power supply usage, grounding, and extension cable guidelines.

Environmental and Handling Guidelines

Specifies suitable installation locations and machine handling procedures.

Maintenance Precautions

Pre-Maintenance Procedures

Outlines steps before starting maintenance, like unplugging power and disabling safety features.

Component Handling During Maintenance

Provides guidance on handling parts, specifications, and sensitive components.

Cautionary Maintenance Practices

Advises on safe clothing, working with powered machines, and handling hot parts.

Miscellaneous Precautions

Drum and Solvent Handling

Warns against heating the drum or using improper solvents, and details solvent handling.

Specifications

General Specifications Overview

Details machine type, trays, paper weight, dimensions, and overall weight.

Document Finisher Parts Identification

Illustrates and labels the main parts of the document finisher.

Bridge Unit Parts Identification

Illustrates and labels the main parts of the bridge unit.

Machine Cross Section Diagram

Shows a cross-section illustrating the paper path and major components.

Installation

Installation Environment Requirements

Specifies conditions for machine placement, temperature, humidity, and air quality.

Document Finisher Unpacking Procedure

Step-by-step guide for unpacking the document finisher unit.

Bridge Unit Unpacking Procedure

Step-by-step guide for unpacking the bridge unit.

Removing Tapes and Pads

Instructions for removing packing tapes and protective pads from the units.

Maintenance Mode

Executing a Maintenance Item

Describes the procedure for entering and running specific maintenance tasks via the control panel.

Maintenance Modes Item List

Lists available maintenance modes, item numbers, and their initial settings.

U019: Displaying ROM Version

Details how to display ROM versions of various machine components.

U905: Checking Optional Device Counts

Explains how to check operational counts for optional devices like finishers.

Troubleshooting

Paper Misfeed Indication and Location

Explains how paper misfeeds are displayed and indicates potential jam locations.

Self-Diagnostic Function Overview

Describes the machine's self-diagnostic capabilities and error message reporting.

Paper Misfeed Detection Conditions

Lists specific error codes and conditions related to paper misfeeds in the bridge unit.

Self Diagnostic Codes: Punch Motor Errors

Details troubleshooting for punch motor errors (Codes 8010, 8020).

Self Diagnostic Codes: Paddle and Tray Motor Errors

Details troubleshooting for paddle and tray motor errors (Codes 8030, 8090).

Self Diagnostic Codes: Shift and Eject Motor Errors

Details troubleshooting for shift and eject motor errors (Codes 8100-8120).

Self Diagnostic Codes: Shift Release and Tray Motor Errors

Details troubleshooting for shift release and tray motor errors (Codes 8130, 8140).

Self Diagnostic Codes: Tray Motor Errors 2 and 3

Details troubleshooting for tray motor errors 2 and 3 (Codes 8150, 8160).

Self Diagnostic Codes: Registration Motor Errors 1

Details troubleshooting for DF side registration motor errors (Codes 8170, 8180).

Self Diagnostic Codes: Registration Motor Errors 2

Details troubleshooting for DF side registration motor errors (Codes 8190, 8200).

Self Diagnostic Codes: Slide and Staple Motor Errors

Details troubleshooting for slide and staple motor errors (Codes 8210, 8230).

Self Diagnostic Codes: Finisher Communication and Backup Errors

Details troubleshooting for finisher communication and backup errors (Codes 8800, 8900).

Electric Problems

DF Motor Operation Issues

Troubleshooting for DF middle, eject, paddle, and eject release motors not operating.

DF Eject, Adjustment, Slide, and Tray Motor Issues

Troubleshooting for DF eject, adjustment, slide, and tray motors not operating.

Bridge and Staple Unit Electric Issues

Troubleshooting for bridge unit motors, solenoid, and staple unit sensor issues.

Mechanical Problems

Paper Jam Causes and Corrections

Identifies causes of paper jams and methods for correction, including roller cleaning.

Abnormal Noise Troubleshooting

Addresses troubleshooting steps for abnormal noises from rollers, pulleys, and gears.

Assembly and Disassembly Precautions

General Handling Precautions

Covers safety measures before disassembly, static charge, PWB handling, and screw usage.

Document Finisher Cover Removal

Steps to remove the front and lid rear covers of the document finisher.

Document Finisher Rear Cover Removal

Steps to remove the DF rear cover.

PF Main PWB Removal and Replacement

Procedure for detaching, refitting, and handling the EEPROM on the PF main PWB.

Staple Unit Removal and Replacement

Steps for removing and refitting the staple unit, including connector handling.

Staple Unit Removal Steps

Detailed steps for lifting and pulling the staple unit for removal.

PWB Replacement Notes

Finisher PWB EEPROM Transfer Procedure

Specific instruction to transfer the EEPROM when replacing the finisher PWB.

Mechanical Construction

Bridge Unit Section Overview

Describes the parts and function of the bridge unit section.

Bridge Unit Block Diagram

Illustrates the electrical connections and signal flow within the bridge unit.

Processing Section Overview

Describes the parts and function of the processing section for bundle discharge and staple modes.

Processing Section Block Diagram

Illustrates the electrical connections and signal flow within the processing section.

Bundle Discharge Operation Steps

Explains the paper feeding, guide adjustment, and bundle discharge process.

Eject Tray Section Overview

Describes the parts and function of the eject tray section for stocking paper.

Eject Tray Section Block Diagram

Illustrates the electrical connections and signal flow within the eject tray section.

Punch Unit Overview

Identifies the main parts of the optional punch unit.

Punch Unit Block Diagram

Illustrates the electrical connections and signal flow within the punch unit.

Electrical Parts Layout

Printed Wiring Boards (PWBs) Identification

Identifies the location and function of the DF main PWB.

Switches and Sensors Identification

Lists and describes the function of various switches and sensors in the finisher.

Motor Identification and Function

Lists and describes the function of all motors within the finisher unit.

Bridge Section Components Identification

Identifies the components within the bridge section, including sensors and motors.

Punch Unit Components Identification

Identifies the components within the punch unit, including sensors, motors, and solenoid.

Operation of the PWBs

DF Main PWB Pinout and Signals

Details pin assignments, signals, and voltage for the DF Main PWB.

Bridge PWB Pinout and Signals

Details pin assignments, signals, and voltage for the Bridge PWB.

Punch Unit PWB Pinout and Signals

Details pin assignments, signals, and voltage for the Punch Unit PWB.

Appendixes

Wiring Diagram Overview

Presents the comprehensive wiring diagram for the entire system, showing interconnections.

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