Intermec EasyCoder PC41 User manual
Service Manual
EasyCoder PC41
Bar Code Label
Printer
Intermec Technologies Corporation
Corporate Headquarters
6001 36th Ave. W.
Everett, WA 98203
U.S.A.
www.intermec.com
e information contained herein is proprietary and is provided solely for the purpose of allowing
customers to operate and/or service Intermec manufactured equipment and is not to be released,
reproduced, or used for any other purpose without written permission of Intermec.
Information and specifications in this manual are subject to change without notice.
© 2005 by Intermec Technologies Corporation. All Rights Reserved
EasyCoder, EasyLAN, Fingerprint, and LabelShop are registered trademarks of Intermec Tech-
nologies Corp. e word Intermec, the Intermec logo, InterDriver, and PrintSet are trademarks of
Intermec Technologies Corp.
e name Centronics is wholly owned by GENICOM Corporation.
roughout this manual, trademarked names may be used. Rather than put a trademark (™) symbol
in every occurrence of a trademarked name, we state that we are using the names only in an editorial
fashion, and to the benefit of the trademark owner, with no intention of infringement.
Intermec EasyCoder PC41—Service Manual iii
Preface
Contents
About is Manual ...............................................................................................................v
Notices and Approvals ..........................................................................................................vi
1 Models and Options 1
1.1 Models............................................................................................................................ 2
1.2 Options ...........................................................................................................................3
1.3 EasyCoder PC41 Specifications ......................................................................................4
1.4 EasyCoder PC41 Measures .............................................................................................6
2 Main Parts 9
2.1 Taking the Printer Apart ................................................................................................10
2.2 Reassembling the Printer ...............................................................................................10
2.3 Exploded View ..............................................................................................................11
3 Top Cover 13
3.1 Description.................................................................................................................... 14
3.2 Tear-Off Plate ................................................................................................................15
4 Print Frame 17
4.1 Description................................................................................................................... 18
4.2 LED and Feed Switch ...................................................................................................19
4.3 Top Cover Locks ...........................................................................................................21
4.4 Base Lock Spring Hooks ...............................................................................................21
4.5 Printhead ......................................................................................................................22
4.6 Ribbon End Sensor .......................................................................................................25
4.7 Label Gap Sensor (Emitter) ...........................................................................................27
4.8 Ribbon Feed Mechanism ..............................................................................................28
5 Base Frame 33
5.1 Main Parts..................................................................................................................... 34
5.2 Main Board ...................................................................................................................35
5.3 Platen Roller .................................................................................................................36
5.4 Peel-Off Mechanism ......................................................................................................37
5.5 Motor assy ....................................................................................................................39
5.6 Media Guides ................................................................................................................40
5.7 Base Locks ....................................................................................................................41
5.8 Label Gap/Black Mark Sensors ......................................................................................43
5.9 Media Spindle ...............................................................................................................45
6 Bottom Cover 47
6.1 Bottom Cover ...............................................................................................................48
iv Intermec EasyCoder PC41—Service Manual
Preface
7 Main Board 49
7.1 Description 50
7.2 Accessing the Main Board .............................................................................................51
7.3 Connections ..................................................................................................................51
7.4 Test Points .....................................................................................................................52
7.5 Block Diagram ..............................................................................................................54
7.6 Internal Memory ...........................................................................................................55
7.7 Schematics ....................................................................................................................56
8 Power Supply 61
8.1 Description.............................. .....................................................................................62
9 Memory Cartridge (option) 63
9.1 Description.................................................................................................................... 64
9.2 Memory Sizes ................................................................................................................65
9.3 Schematics ....................................................................................................................66
10
Starting Up 67
10.1 Overview 68
10.2 Normal Mode .............................................................................................................70
10.3 Factory Default Mode .................................................................................................70
10.4 Test Mode ...................................................................................................................70
10.5 Dump Mode ...............................................................................................................71
11
Firmware Upgrading 73
11.1 Requirements ..............................................................................................................74
12
Troubleshooting 75
12.1 Checklist..................................................................................................................... 76
Intermec EasyCoder PC41—Service Manual v
Preface
About This Manual
is Service Manual is intended to facilitate installation, troubleshooting
and repair of the Intermec EasyCoder PC41 in the version delivered at the
date of publishing. e on-going product improvement can be followed in
the Technical Bulletins published at the Intermec Knowledge Center.
is Service Manual is supplemented by the following publications, which
the service technician also should keep easily available in their latest ver-
sions:
• Intermec EasyCoder PC41, Quick Start Guide (multilingual)
• Intermec EasyCoder PC41, User’s Guide
• Intermec EasyCoder PC4/PC41, Spare Parts Catalog
• e IPL Programmer’s Reference Manual, Jan 2005 revision
Please note that the operations described in this manual only should be car-
ried out by skilled and authorized personnel with proper training and full
understanding of written English. Moving parts may cause harm, if incor-
rectly manipulated.
It is assumed that the reader possesses adequate skills in mechanics and
electronics and is familiar with the ESim protocol and its related standard
application programs. It is also assumed that the reader has access to the
standard tools of an electronics workshop.
vi Intermec EasyCoder PC41—Service Manual
Preface
FCC Notice (United States of America)
WARNING
is equipment generates, uses, and can radiate radio frequency energy
and if not installed and used in accordance with the instructions manual,
may interfere with radio communications. It has been tested and found to
comply with the limits for a Class A computing device pursuant to Sub-
part J of Part 15 of FCC Rules, which are designed to provide reasonable
protection against such interference when operated in a commercial envi-
ronment. Operation of this equipment in a residential area is likely to cause
interference in which case the user, at his own expense, will be required to
take the appropriate measures needed to correct the problem.
DOC Notice (Canada)
Canadian Dept. of Communication
REGULATIONS COMPLIANCE
(DOC-A)
is digital apparatus does not exceed the class A limits for radio noise
emissions from a digital apparatus as set out in the radio interference regu-
lations of the Canadian Department of Communication.
Ministère des Communications du Canada
CONFORMITE DE REGLEMENTS
(DOC-A)
Le présent appareil numérique n’émet pas de bruits radio-électriques dépas-
sant les limites applicables aux appareils numériques de classe A prescrites
dans le règlement sur brouillage radioélectrique édicté par le Ministère des
Communications du Canada.
EU Standard EN 55022 (The European Union)
WARNING
is is a Class A ITE product. In a domestic environment this product
may cause radio interference in which case the user may be required to take
adequate measures.
Notices and Approvals
Intermec EasyCoder PC41—Service Manual 1
1 Models and Options
is chapter provides information on the various models of the EasyCoder
PC41 and contains specifications and physical measures.
2 Intermec EasyCoder PC41—Service Manual
Chapter 1—Models and Options
1.1 Models
e EasyCoder PC41 uses both Direct ermal (DT) and ermal Trans-
fer (TTR) printing technology. It employs a printhead with a printing den-
sity of 203.2 dots per inch (8 dots per mm) and a maximum print width of
4.1 inches (104 mm).
e machine label, which provides information on model, part number,
serial number, etc. is attached to the bottom of the base frame.
e EasyCoder PC41 has a separate power supply unit that delivers 24
VDC to the printer's main board, where it is transformed to the various
voltages required by the printhead, motor, and logics (see Chapter 8.1).
e power supply unit (PSU) accepts 100 to 240 VAC/50 to 60 Hz. e
power supply has a standard 2-pin input voltage socket, so various types of
power cords can be used according to local voltages and standards.
e power supply has a fixed 1.5 m (4.9 ft) long cable that is connected to
the printer’s rear plate.
Thermal transfer
mechanism
(omitted in DT model)
Printhead
Top cover locks
(differ in DT and
TTR models)
Print frame
Top cover
Base Frame
Bottom Cover
Intermec EasyCoder PC41—Service Manual 3
Chapter 1—Models and Options
1.2 Options
e available options for the EasyCoder PC41 are serial and parallel inter-
face cables, a memory cartridge, a paper cutter, a battery unit and an assort-
ment of power cords. Refer to the EasyCoder PC41 Spare Parts Catalog or
Spare Parts List for updated information.
4 Intermec EasyCoder PC41—Service Manual
Chapter 1—Models and Options
1.3 EasyCoder PC41 Specifications
Printing
Print Technique ermal Transfer or Direct ermal
Printhead Resolution 203.2 dpi (8 dots/mm)
Print Speed (selectable) 50, 75 or 100 mm/sec.
(2, 3 or 4 in/sec.)
Print Width (max) at 203.2 dpi 104 mm (4.1 inches) = 864 dots
Print Length (min/max) at 203.2 dpi 6.35/472.5 mm (0.25/18.6 inches) Standard (no cartridge)
Media Width (min/max) 25.4 to 116 mm (1.00 to 4.57 inches)
Media ickness (min) 0.06 mm (0.003 inches)
Media ickness, rolls (max) 0.15 mm (0.006 inches)
Media ickness, fan-folds (max) 0.17 mm (0.006 inches)
Media Roll Diameter (max) 125 mm (5.0 inches)
Media Roll Core Diameter 25.4 or 38.1 mm (1.0 or 1.5 inches)
Ribbon Width (min/max) 33 to 110 mm (1.33 to 4.33 inches)
Ribbon Roll Diameter, Outer (max) 41 mm (1.6 inches)
Ribbor Roll Core Diameter, Inner 13 mm (0.5 inches)
Print Directions 4
Modes of Operation
Tear Off (Straight-through) Yes
Peel Off (Self-strip) Yes
Cut-off Yes Requires optional cutter
Firmware
Operating System Intermec Programming Language (IPL)
Fonts 21 (bitmap) + 3 (outline) resident fonts
Font Magnification Horizontal max 999 times, vertical max 999
times up to a maximum size of 4 inches.
Built-in Bar Code Symbologies 33
Physical Measures
Dimensions (W × L × H) 230 × 257 × 167 mm
(9.06 × 10.11 × 6.58 inches)
Weight (excluding PSU and media) Approx. 2.3 kg (5 pounds)
Ambient Operating Temperature +5°C to +40°C (+41°F to +104°F)
Ambient Storage Temperature -20°C to +50°C (-4°F to +122°F)
Humidity 10 to 90% non-condensing
Electronics
Microprocessor 32-bit 20 MHz
On-board EPROM memory 2048K
On-board DRAM memory 512K
Power Supply Unit Separate unit
Input Voltage 100 to 240 VAC, 50 to 60Hz, 1.9A
Output Voltage 24 VDC, 3.0A
Input Voltage (mobile applications) 23.5 VDC ± 0.5V, 6A peak No PSU connected
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