Tektronix Phaser 740

Warning
The following servicing instructions are for
use by qualified service personnel only. To
avoid personal injury, do not perform any
servicing other than that contained in
operating instructions unless you are qualified
to do so.
This printing: Febuary 2000
063-3102-01
PHASER® 740 and 750
LASER PRINTERS

Tektronix Phaser 740 Specifications

General

Brand	Tektronix
Model	Phaser 740
Category	Printer
Language	English

Summary

General Information

Service Guide Overview

Introduction to the service guide's content covering troubleshooting, repair, adjustment, and maintenance of Phaser printers.

Printer Model Information

Phaser 740 Printer Configurations

Details the four available configurations of the Phaser 740 Color Printer, including memory and feature differences.

Phaser 750 Printer Configurations

Describes the four configurations of the Phaser 750 Color Printer, focusing on RAM, resolution, and advanced features.

Printer Specifications

Physical Dimensions and Clearances

Covers physical dimensions, required clearances for operation, and mounting surface flatness requirements.

Troubleshooting Procedures

System Power-Up Sequence

Details the sequence of events during printer power-up to aid in diagnosing startup failures.

Print Engine Troubleshooting

Step-by-step verification process to identify the root cause of printer failures related to the print engine.

Power Supply Operation Verification

Covers measuring voltages, checking fuses, interlocks, and testing for shorted motors to diagnose power supply issues.

Key FRU Disassembly

Printer Cabinet Removal

Illustrates the disassembly steps for the printer cabinet covers, including access to internal components.

Image Processor Board Replacement

Procedure for removing and replacing the image processor board, including component swapping for Phaser 740 and 750.

FRU Parts List - Cabinet

Provides a detailed list of Field Replaceable Units (FRUs) for the printer cabinet with part numbers and descriptions.