Digital Equipment LG06 Bedienungsanleitung

LG06

Text and Graphics Printer

Maintenance Manual

Order Number: EK–ELG06–MG

latigid 

LG06

Text and Graphics Printer

Maintenance Manual

Order Number: EK–ELG06–MG

Digital Equipment Corporation •Merrimack, NH 03054

2nd Edition, July 1992

Digital Equipment Corporation 1991, 1992

The information in this document is subject to change without notice and should

not be construed as a commitment by Digital Equipment Corporation. Digital

Equipment Corporation assumes no responsibility for any errors that may appear

in this document.

Printed in U.S.A.

The following are trademarks of Digital Equipment Corporation:

DATATRIEVE

DEC

DECmate

DECset

DECsystem

DECUS

DECwriter

DECxpress

The DIGITAL logo

DIBOL

IVAX

MASSBUS

PDP

P/OS

Professional

Rainbow

RSTS

RSX

Scholar

ULTRIX

UNIBUS

VAX

VMS

Work Processor

FCC USER STATEMENT

NOTICE:

This equipment generates, uses, and may emit radio frequency. The equipment has

been type tested and found to comply with the limits for a Class A computing device

pursuanttoSubpartJofPart15ofFCCrules,whicharedesignedtoprovidereasonable

protectionagainstsuchradio frequencyinterference.Operationofthis equipmentina

residentialarea may cause interference in which case the user at his own expense will

be required to take whatever measures may be required to correct the interference.

Table of Contents

1Maintenance Overview

About This Manual 1–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Related Documents 1–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

How to Use This Manual 1–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Warnings and Special Information 1–2. . . . . . . . . . . . . . . . . . . . . . . . . .

Printing Conventions in This Manual 1–3. . . . . . . . . . . . . . . . . . . . . . . .

Controls and Indicators 1–4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Tools, Test Equipment, and Supplies 1–10. . . . . . . . . . . . . . . . . . . . . . . . . . . .

2Scheduled Maintenance

Preventive Maintenance Checks and Services (PMCS) 2–2. . . . . . . . . . . . .

Inspecting the Printer 2–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Cleaning the Printer 2–4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3Troubleshooting

Introduction 3–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Fault Messages 3–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

48 Volt Failed * 3–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Dynamic RAM Fault 3–4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Ham. Bank Hot * 3–5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Ham. Coil Open * 3–6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Ham. Coil Short* 3–7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Ham. Drv. Short * 3–8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Mech Driver Hot * 3–9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Mech Driver Link* 3–10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Paper Jam 3–11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Paper Out 3–12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Platen Open 3–13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Ribbon Stall 3–14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Shttl Cover Open 3–15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Shuttle Jam 3–16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Software Error 3–17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Symptoms Not Indicated by Fault Messages 3–18. . . . . . . . . . . . . . . . . . . . . .

Troubleshooting Aids 3–19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Diagnostic Self–Tests 3–26. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Running the Diagnostic Self–Tests 3–28. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Hex Code Printout 3–29. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4Adjustment Procedures

Preparing for Maintenance 4–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Adjustments 4–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Belt, Paper Feed Timing, Adjustment 4–6. . . . . . . . . . . . . . . . . . . . . . . .

Belt, Platen Open, Adjustment 4–8. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Hammer Phasing 4–4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Paper Drive Motor Pulley Alignment 4–10. . . . . . . . . . . . . . . . . . . . . . . .

Paper Scale Alignment 4–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Platen Angle Adjustment 4–16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Platen Gap Adjustment 4–18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Platen Open Motor Pulley Alignment 4–12. . . . . . . . . . . . . . . . . . . . . . . .

Ribbon Guide Alignment 4–20. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Splined Shaft Skew Adjustment 4–14. . . . . . . . . . . . . . . . . . . . . . . . . . . .

5Replacement Procedures

Replacement Procedures 5–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Preparing the Printer for Maintenance 5–3. . . . . . . . . . . . . . . . . . . . . . . . . . .

Belt, Paper Feed Timing 5–4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Belt, Platen Open 5–6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Cable Assembly W4, Hammer Bank 5–8. . . . . . . . . . . . . . . . . . . . . . . . .

Cable Assembly W5, Intermediate 5–10. . . . . . . . . . . . . . . . . . . . . . . . . .

Cable Assembly, Multi I/O 5–14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

iii

Circuit Breaker 5–18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Control Panel Assembly 5–20. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Cover Assembly, Hammer Bank 5–22. . . . . . . . . . . . . . . . . . . . . . . . . . . .

Cover Assembly, Shuttle 5–24. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Fan Assembly, Card Cage 5–26. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Fan Assembly, Cabinet Exhaust 5–28. . . . . . . . . . . . . . . . . . . . . . . . . . . .

Fan Assembly, Hammer Bank 5–30. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Hammer Spring Assembly 5–32. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Magnetic Pick–up (MPU) Assembly 5–34. . . . . . . . . . . . . . . . . . . . . . . . .

Motor Assembly, Ribbon Drive 5–36. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Motor Assembly, Paper Feed 5–38. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Motor Assembly, Platen Open 5–40. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Paper Guide Assembly 5–42. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Paper Ironer 5–44. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

PCBA, Common Controller 5–46. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

PCBA, Mechanism Driver 5–48. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

PCBA, Power Supply 5–50. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

PROMs, Chips, and ICs on the CCB 5–52. . . . . . . . . . . . . . . . . . . . . . . . .

PROMs, Chips, and ICs on the Mechanism Driver 5–54. . . . . . . . . . . . . .

Resistors, Terminating 5–56. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Ribbon Hub 5–58. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Ribbon Guide Assembly (L/R) 5–60. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Shaft, Splined 5–62. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Shaft, Support 5–64. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Shuttle Frame Assembly 5–66. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Spring Assembly, Gas 5–70. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Spring, Extension 5–72. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Switch Assembly, Cover Open 5–74. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Switch Assembly, Paper Detector 5–76. . . . . . . . . . . . . . . . . . . . . . . . . . .

Switch Assembly, Platen Interlock 5–78. . . . . . . . . . . . . . . . . . . . . . . . . .

Tractor (L/R) 5–80. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Returning the Printer to Normal Operation 5–80. . . . . . . . . . . . . . . . . . . . . . .

Appendices

A: Printer Configuration

B: Printer Specifications

C: Torque Table

D: Cable Interconnections and Hammer Bank Wiring

E: Principles of Operation

F: Ferrite Noise Suppression Cores

Index

1–1Maintenance Overview

1Maintenance Overview

Chapter Contents

About This Manual 1–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Related Documents 1–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

How to Use This Manual 1–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Warnings and Special Information 1–2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Printing Conventions in This Manual 1–3. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Controls and Indicators 1–4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Tools, Test Equipment, and Supplies 1–10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1–2 Maintenance Overview

About This Manual

This manual explains how to maintain and repair the LG06 printer at the field

service level of maintenance. This manual covers alignments and

adjustments, preventive and corrective maintenance, troubleshooting, and

basic principles of operation.

Related Documents

Information about operating the LG06 printer is in the User’s Manual.

How to Use This Manual

This manual is designed so you can quickly find the information you need to

maintain and repair the Encore printer. You can locate maintenance

information three ways:

•Use the Table of Contents at the front of the manual.

•Use the Chapter Contents list on the first page of each chapter.

•Use the Index at the back of the manual.

Read the entire procedure before beginning any maintenance task. Gather all

required tools and make sure you understand all warnings, cautions, and

notes before you begin working on the printer.

Warnings and Special Information

Always read and comply with information highlighted by special headings.

The headings reveal the nature of the information:

WARNING

Conditions that could harm you as well as damage the equipment.

CAUTION

Conditions that could damage the printer or related equipment.

IMPORTANT

Information vital to proper operation of the printer.

NOTE: Information considered important enough to emphasize.

1–3Maintenance Overview

Printing Conventions in This Manual

Switches and indicators labeled on the printer are printed uppercase in this

manual. Example: “Press the ON LINE switch to take the printer off–line.”

If a control is not labeled on the printer, it is printed lowercase. Example:

“Set the forms thickness lever to the fully open position.”

Messages that appear on the control panel display are printed inside

quotation marks in lowercase with the first letter capitalized. Example: “Save

Config” appears on the message display.

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