ENCAD T-200 Manuel utilisateur

SERVICE MANUAL

CADJET®T-200
COLOR INKJET
PRINTER/PLOTTER
SERVICE MANUAL
Part Number 219863-00
®

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CadJet T-200 Service Manual
Copyright Eastman Kodak Company, 2002
KODAK, ENCAD®and CadJet®are trademarks of
Eastman Kodak Company.
Other trademarks and registered trademarks are the
property of their respective owners.
Except as provided below, no part of this manual may be
copied or distributed, transmitted, transcribed, stored in
a retrieval system, or translated in any human or comput-
ing language, in any form or by any means, electronic,
mechanical, magnetic or otherwise, or disclosed to a
third party without the express written permission of
ENCAD, Inc., 6059 Cornerstone Court West, San Diego,
CA 92121, U.S.A.
Certain manuals developed by ENCAD are in an elec-
tronic format to be distributed on CDs or over the
internet. The registered user of an ENCAD product
whose manual is distributed in this fashion may print one
copy for their personal use only.
Printing history
1st Edition Rev A October 2002

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CadJet T-200 Service Manual
FCC Statement (U.S.A.)
The United States Federal Communications Commision has specified that
the following notice be brought to the attention of the users of the CADJET
T-200 printer.
FEDERAL COMMUNICATIONS COMMISION RADIO AND TELEVISION
INTERFERENCE FOR CLASS B DEVICE
This equipment has been tested and found to comply with the limits for a
class B digital device, pursuant to part 15 of the FCC Rules. These limits
are designed to provide reasonable protection against harmful interference
in a residential installation. This equipment generates, uses, and can
radiate radio frequency energy and, if not installed and used in accordance
with the instructions, may cause harmful interference to radio communica-
tions.
User Instructions:
If the equipment does cause harmful interference to radio or television
reception, which can be determined by turning the equipment off and on,
the user is encouraged to try to correct the interference by one of the
following measures:
•Reorient or relocate the receiving antenna.
•Increase the separation between the equipment and receiver.
•Connect the equipment into an outlet on a circuit different from
that to which the receiver is connected.
•Consult the dealer or an experienced radio/TV technician for
help.
Changes or modifications not expressly approved by ENCAD, Inc. could
void the user’s authority to operate the equipment.

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CadJet T-200 Service Manual
VDE Statement
Hiermit wird bescheinigt, daß der CADJET T-200 in Übereinstimmung mit
den Bestimmungen der BMPT-AmstbIVfg 234/1991 funkentstört ist. Der
vorschriftsmäßige Betrieb mancher Geräte (z.B. Meßsender) kann
allerdings gewissen Einschränkungen unterliegen. Beachten Sie deshalb
die Hinweise in der Bedienungsanleitung.
Dem Zentralamt für Zulassungen im Fernmeldewesen würde dan
Inverkehrbringen dieses Gerätes angezeigt und die Berechtigung zur
Überprüfung der Serie auf die Einhaltung der Bestimmungen eingeräumt.
ENCAD, Inc. U.S.A

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CadJet T-200 Service Manual
Material Safety Data Sheet
ENCAD QIS (Quality Imaging Supplies) ink is nonhazardous, requiring no
special disposal handling. It can be harmful if swallowed and should be
kept away from children.
To obtain a Material Safety Data Sheet, contact ENCAD, Inc. at:
6059 Cornerstone Court West
San Diego, CA 92121-3734
(858) 452-4350
International users should contact their local dealer or distributor.

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CadJet T-200 Service Manual
WARRANTY OR DAMAGE CLAIMS
United States
ENCAD®, Inc., warrants its printers ("PRODUCT") to be free from defects in workmanship
and materials for a period of one year from the date of purchase. In order to submit a
Warranty claim, please contact the ENCAD Help Desk at (619) 452-4350.
ENCAD reserves the right to make changes or improvements to Products, without incurring
any obligation to similarly alter Products previously purchased.
Buyer's sole and exclusive rights pursuant to this Warranty shall be for the repair or
replacement of defective Product. ENCAD specifically disclaims any and all other warran-
ties, expressed or implied, including but not limited to, implied warranties of merchantability
and fitness for a particular purpose. In no event shall ENCAD be liable for any loss of
profit or other commercial damages, special, incidental or consequential damages, or any
other damages or claims, whatsoever.
This Warranty gives Buyer specific legal rights, and Buyer may also have other rights that
vary from state to state.
This Warranty applies only to printers purchased from ENCAD, or authorized ENCAD
distributors or dealers. The intent of this Warranty is to repair or replace defective Prod-
ucts subjected to normal wear and tear, when operated according to ENCAD instructions.
This Warranty does not cover damage to the Product resulting from the following:
• Accident or negligence.
• Unauthorized modification of the Product.
• Adverse environmental conditions.
• Service of the Product by other than an ENCAD authorized service provider.
• Unauthorized or improper use, including but not limited to:
– Use in applications for which the Product was not designed.
– Using cartridges or ink other than those supplied by ENCAD or authorized
ENCAD resellers.
– Using media other than that supplied by ENCAD or authorized ENCAD
resellers.
– Lubricating any part of the printer.
Internationally: Contact your dealer or distributor for warranty information.

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CadJet T-200 Service Manual
Table of Contents
Chapter 1 General Description ............................................................ 1-1
Introduction ............................................................................................................... 1-1
Overview ................................................................................................................... 1-3
Related Publications .......................................................................................... 1-3
Electrostatic Discharge (ESD) Sensitivity ................................................................. 1-3
Warnings, Cautions and Notes ................................................................................. 1-4
Printer Specifications ................................................................................................ 1-5
Contents of this Service Manual ................................................................................ 1-6
Technical Support ..................................................................................................... 1-8
Chapter 2 Theory of Operation ............................................................ 2-1
Introduction ............................................................................................................... 2-1
CadJet T-200 Printer General Block Diagram ............................................................ 2-1
Paper (Media) Axis Drive .......................................................................................... 2-3
The Carriage Axis Drive ............................................................................................. 2-4
Main Printed Wiring Assembly (MPWA) ................................................................... 2-5
Microprocessor .................................................................................................. 2-6
Gate Array ......................................................................................................... 2-6
Memory Circuits ................................................................................................. 2-7
Flash EEPROM ........................................................................................... 2-7
DRAM .......................................................................................................... 2-8
Serial EEPROM ........................................................................................... 2-8
Stepper Motor Controller ..................................................................................... 2-9
Servo Motor Controller ...................................................................................... 2-11
Control Panel ................................................................................................... 2-13
Interface Circuits: Serial & Parallel ................................................................... 2-14
Carriage Assembly Circuits ..................................................................................... 2-15
Display Assembly ................................................................................................... 2-16
Power Supply ......................................................................................................... 2-17
Fan Operation ......................................................................................................... 2-17
Chapter 3 Maintenance ........................................................................ 3-1
Introduction ............................................................................................................... 3-1
Scheduled Maintenance ........................................................................................... 3-1
Cleaning Procedures .......................................................................................... 3-2
External Cleaning ......................................................................................... 3-2

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CadJet T-200 Service Manual
Slide Shaft Cleaning ..................................................................................... 3-2
Service Station Cleaning .............................................................................. 3-3
Linear Encoder Strip Cleaning ...................................................................... 3-4
Cartridge Dimples Cleaning .......................................................................... 3-5
Flex Cable Contact Cleaning ........................................................................ 3-6
Clean and Inspect Stepper Motor Gears....................................................... 3-7
Clean and Inspect MPWA ............................................................................ 3-7
Clean and Inspect Carriage Assembly ......................................................... 3-8
Reseat Connectors on MPWA and Carriage Board ............................................. 3-8
Replace Carriage Bushings .............................................................................. 3-11
Servo Motor Winding Resistance Check ................................................................. 3-12
Stepper Motor Winding Resistance Check .............................................................. 3-13
Banding: Hardware vs Software ............................................................................... 3-14
Common Banding Causes ......................................................................... 3-15
Alignments/Adjustments ......................................................................................... 3-17
Slide Shaft Profile Adjustment .......................................................................... 3-17
Head Height Alignment Procedure .................................................................... 3-20
Paper Skew Adjustment ................................................................................... 3-24
Paper Skew Adjustment Sequence ............................................................ 3-24
Mounting Screw Information ....................................................................... 3-25
Other Functional Requirements .................................................................. 3-28
Adjustment of Pinch Roller Supports .......................................................... 3-29
Visual Verification ................................................................................ 3-29
Observation of Paper Skew at Rear Media Alignment Mark .................. 3-30
Observation of Paper Skew at Front Media Alignment Mark ................. 3-31
Adjustment of the Mounting Screws .................................................... 3-32
Paper Axis Calibration ...................................................................................... 3-33
Deadband Alignments ....................................................................................... 3-35
Color Deadband Alignment ......................................................................... 3-36
Color Calibration ............................................................................................... 3-38
Diagnostics Menu ................................................................................................... 3-40
Clearing the NVRAM ............................................................................................... 3-42
Firmware Download/Upgrading for the PC ............................................................... 3-43
Internal Cabling and Signal Flow Diagrams ............................................................. 3-44
Table of Contents (cont)
Chapter 3 Maintenance (cont)

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CadJet T-200 Service Manual
Chapter 4 Troubleshooting.................................................................. 4-1
Introduction ............................................................................................................... 4-1
No Power ........................................................................................................... 4-1
Initialization Failure............................................................................................. 4-2
Media Does Not Move ........................................................................................ 4-2
Internal ERROR “Carriage Axis Failure” .............................................................. 4-3
Internal ERROR “Encoder Sensor Failure” .......................................................... 4-5
Internal ERROR “Paper Sensor Failure” .............................................................. 4-5
Internal ERROR “Auto-Sensor Failure” ................................................................ 4-6
Internal ERROR “MPCB Failure” ......................................................................... 4-6
Unrecognized Cartridges Error ............................................................................ 4-6
Image Skews or Moves ...................................................................................... 4-7
Does Not Print.................................................................................................... 4-7
Ink Cartridge Misfiring ......................................................................................... 4-7
Paper Skewing ................................................................................................... 4-9
Printer Output is Banding (Horizontal) ................................................................ 4-9
Printer Output is Banding (Vertical) .................................................................. 4-11
Printer Output is Banding (Horizontally and Vertically) ...................................... 4-12
Keypad Locked-Up or Not Functioning Properly ............................................... 4-12
Noisy Operation ............................................................................................... 4-13
Line Quality Degraded ...................................................................................... 4-14
Fan Does Not Power Up ................................................................................... 4-15
Media is Not Measured Properly ...................................................................... 4-15
Initialization Troubleshooting ................................................................................... 4-16
Chapter 5 Assembly\Disassembly ...................................................... 5-1
Introduction ............................................................................................................... 5-1
Removing the Right Cover Assembly ......................................................................... 5-2
Removing the MPWA Connectors ............................................................................. 5-4
Removing the MPWA ............................................................................................... 5-5
Removing the Right SidePlate ................................................................................... 5-6
Reinstalling the Right SidePlate ................................................................................ 5-7
Reinstalling the MPWA............................................................................................. 5-7
Reinstalling the MPWA Connectors .......................................................................... 5-7
Table of Contents (cont)
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