Tektronix Phaser 480 Manuel utilisateur

Service Manual

Phaser

™

480 and Phaser

™

480X

Color Printers

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 June 1995

070-8850-01

1995 by Tektronix, Inc., Wilsonville, Oregon. Printed in the United States of America. All rights

reserved. Contents of this publication may not be reproduced in any form without permission of Tektronix, Inc.

This instrument, in whole or in part, may be protected by one or more U.S. or foreign patents or patent applications.

Information provided upon request from Tektronix, Inc., P.O. Box 1000, Wilsonville, Oregon 97070-1000.

If acquired subject to FAR or DFARS, the following shall apply:

■

Unpublished — rights reserved under the copyright laws of the United States.

■

Restricted Rights Legend — Use, duplication or disclosures by the government is subject to restrictions as set forth

in subparagraph (c) (1) (ii) of the Rights in Technical Data and Computer Software at DFARS 252.227-7013, or in

subparagraph (c) (2) of the Commercial Computer Software – Restricted Rights clause at FAR 52.227-19, as

applicable. Tektronix, Inc., P.O. Box 1000, Wilsonville, Oregon 97070-1000.

Tektronix

is a registered trademark of Tektronix, Inc. TekColor™ and Photoﬁne™ are trademarks of Tektronix, Inc.

Phaser™ is a trademark of Tektronix, Inc. for color printers and related products.

Adobe™ and PostScript™ are trademarks of Adobe Systems, Incorporated which may be registered in certain

jurisdictions.

Times™, Helvetica™ and Palatino™ are trademarks of Linotype-Hell AG and/or its subsidiaries.

Other marks are trademarks or registered trademarks of the companies with which they are associated.

PANTONE

* Colors generated by the Phaser 480 and Phaser 480X Color Printers are four-color process simulations

and may not match PANTONE-identiﬁed solid color standards. Use current PANTONE Color Reference Manuals

for accurate colors.

PANTONE Color simulations are only obtainable on these products when driven by qualiﬁed Pantone-licensed

software packages. Contact Pantone, Inc. for a current list of qualiﬁed licensees.

* Pantone, Inc.’s check-standard trademark for color reproduction and color reproduction materials.

Users safety summary

Terms in manual:

CAUTION Conditions that can result in damage to the product.

WARNING Conditions that can result in personal injury or loss of life.

Power source:

Do not apply more than 250 volts RMS between the supply conductors or between either supply

conductor and ground. Use only the speciﬁed power cord and connector. Refer to a qualiﬁed service technician for

changes to the cord or connector.

Operation of product:

Avoid electric shock by contacting a qualiﬁed service technician to replace fuses inside the

product. Do not operate without the covers and panels properly installed. Do not operate in an atmosphere of

explosive gases.

Safety instructions:

Read all installation instructions carefully before you plug the product into a power source.

Terms on product:

CAUTION A personal injury hazard exists that may not be apparent. For example, a panel

may cover the hazardous area. Also applies to a hazard to property including the

product itself.

DANGER A personal injury hazard exists in the area where you see the sign.

Care of product:

Disconnect the power plug by pulling the plug, not the cord. Disconnect the power plug if the

power cord or plug is frayed or otherwise damaged, if you spill anything into the case, if product is exposed to any

excess moisture, if product is dropped or damaged, if you suspect that the product needs servicing or repair, and

whenever you clean the product.

Ground the product:

Plug the three-wire power cord (with grounding prong) into grounded AC outlets only. If

necessary, contact a licensed electrician to install a properly grounded outlet.

Symbols as marked on product:

DANGER high voltage:

Protective ground (earth) terminal:

Use caution. Refer to the manual(s) for information:

WARNING:

If the product loses the ground connection, usage of knobs and controls (and other conductive parts) can

cause an electrical shock. Electrical product may be hazardous if misused.

Service safety summary

For qualiﬁed service personnel only:

Refer also to the preceding Users Safety Summary.

Do not service alone:

Do not perform internal service or adjustment of this product unless another person capable of

rendering ﬁrst aid or resuscitation is present.

Use care when servicing with power on:

Dangerous voltages may exist at several points in this product. To avoid

personal injury, do not touch exposed connections and components while power is on.

Disconnect power before removing the power supply shield, soldering, or replacing components.

Do not wear jewelry:

Remove jewelry prior to servicing. Rings, necklaces, and other metallic objects could come into

contact with dangerous voltages and currents.

Power source:

This product is intended to operate from a power source that will not apply more than 250 volts rms

between the supply conductors or between either supply conductor and ground. A protective ground connection by

way of the grounding conductor in the power cord is essential for safe operation.

Service Manual

E-1

Appendix

Shipping the Printer

Repacking the printer

Turn off the printer; remove all cords and cables.

Slide the cover release to open the top cover.

Caution

To keep your warranty valid, the printer must be shipped in its

Tektronix shipping box, taking reasonable care to repack it properly.

Failure to do so will result in damage to the printer.

Remove the paper tray and repack it for shipping:

Insert the two small foam shipping blocks into the paper tray on

either side of the metal plate.

Secure the cover to the paper tray. Use masking tape.

Note

If you are shipping the printer for service, you do not need to return

the paper tray.

Remove the transfer roll tray; remove the transfer roll from the tray

and wrap the tray in packing material.

E-2

Phaser 480 Color Printer

Shipping the Printer

Insert the medium-sized foam shipping block inside the printer

behind the paper guide.

Attach the long foam shipping block to the paper clamp bar:

Use the black rubber belt to move the paper clamp bar so that it is

positioned directly over the label

Position paper clamp bar HERE to clear

a paper jam

Insert the shipping block under the paper clamp bar.

Use the two tie-wraps to secure the block to the paper clamp bar.

Attach them on the right-hand side where there is open space

beneath the paper clamp bar. Make sure that they are tightly

secured.

8849-71



Service Manual

E-3

Shipping the Printer

Place the two rubber cushions, marked

(left) and

(right), onto the

metal bar on either side of the platen. Make sure that the rubber

cushions are positioned with the posts

upright

(or

leaning slightly

forward)

and

facing outward

as shown.

Caution

The rubber cushions protect the printhead. If they are positioned

incorrectly, the printhead will be damaged in shipping.

Replace the transfer roll tray inside the printer.

Close the top cover; the printhead must be resting on the rubber

cushions.

10.

Secure the top cover closed. Use masking tape.

8849-73

E-4

Phaser 480 Color Printer

Shipping the Printer

11.

Repack the printer in the Tektronix shipping box. Keep the printer

level when moving.

8849-50

Phaser

480

ERROR JAM MEDIA TRANSFER

ROLL COVER READY POWER

Service Manual

1-1

Chapter

General Information

This ﬁeld service manual contains information you may use for troubleshooting,

repairing, adjusting, and maintaining the Tektronix Phaser™ 480 and

Phaser™ 480X Color Printers. This manual includes troubleshooting and

adjustment procedures, a ﬁeld replaceable units (FRU) list, and

assembly/disassembly procedures for selected FRUs. To ensure complete

understanding of the product Tektronix recommends participation in Phaser 480

and 480X service training, if available.

Figure 1-1. The Phaser 480 Color Printer

Phaser

480

ERROR JAM MEDIA TRANSFER

ROLL COVER READY POWER

1-2

Phaser 480 Color Printer

General Information

The Phaser 480 Color Printer

The Phaser 480 Color Printer combines sublimation dye printing technology

with Adobe’s PostScript Level 2 page description language. The Phaser 480

features RS-232 serial, standard parallel and AppleTalk interfaces for host

communication. Ethernet, TCP-IP or Novell support is optionally available.

The printer also features a SCSI-compatible interface to connect to an external

hard disk drive for font storage. The Phaser 480 can produce prints on A/A4

and B/A3-size media as well as 12 x 18-inch Tabloid Extra (366 x 457 mm). It

prints at an addressability of 300 dots-per-inch on both dye diffusion paper and

transparency ﬁlm. The printer, in its base conﬁguration, features 32 Mbytes of

RAM SIMM and two additional SIMM sockets for two more 16 Mbyte RAM

SIMMs. With both sockets ﬁlled, the printer boasts of 64 Mbytes of RAM.

The Phaser 480X Color Printer

The Phaser 480X Color Printer has the same features and capabilities as the

Phaser 480 but with more capabilities to serve customers with color pre-press

needs. The Phaser 480X has the ability to create image separations and printing

revealing overprinting and trapping information. It also ships with improved

color calibration tools.

The Phaser 480X also has a greater RAM memory capacity. Unlike the

Phaser 480, the Phaser 480X can use 32 Mbytes SIMMs in the ﬁrst three of its

four RAM SIMM connectors, giving the Phaser 480X a potential total RAM

memory capacity of 112 Mbytes. In its base conﬁguration, the printer is shipped

with one 32 Mbyte RAM SIMM in its ﬁrst RAM SIMM connector.

The following table shows the increasing capabilities of the Phaser 480X with

incremental increases in installed RAM.

Table 1-1. Phaser 480X capabilities with increases in RAM

Total RAM

memory Printing capabilities Separation

printing Color

cache Virtual

memory Buffers

32 Mbytes 3-pass on all page

sizes No 100 kbytes 2 Mbytes 128 kbytes

48 Mbytes 4-pass on all page

sizes No 500 kbytes 4 Mbytes 1 Mbytes

64 Mbytes 4-pass on all page

sizes No 8 Mbytes 7 Mbytes 2 Mbytes

80 Mbytes 4-pass on all page

sizes No 8 Mbytes 23 Mbytes 2 Mbytes

96 Mbytes 4-pass on all page

sizes Yes 8 Mbytes 3 Mbytes 2 Mbytes

112 Mbytes 4-pass on all page

sizes Yes 8 Mbytes 19 Mbytes 2 Mbytes

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