Epson FILMSCAN 200 User manual

EPSON
FILM SCANNER
FilmScan 200
SERVICE MANUAL
SEIKO EPSON CORPORATION
4007375

ii
NOTICE

All rights reserved. Reproduction of any part of this manual in any form whatsoever
without SEIKO EPSON’s express written permission is forbidden.

The contents of this manual are subjects to change without notice.

All efforts have been made to ensure the accuracy of the contents of this manual.
However, should any errors be detected, SEIKO EPSON would greatly appreciate
being informed of them.

The above notwithstanding SEIKO EPSON can assume no responsibility for any errors
in this manual or the consequences thereof.
EPSON is a registered trademark of SEIKO EPSON CORPORATION.
General Notice:
Other product names used herein are for identification purposes only and may be
trademarks or registered trademarks of their respective companies.
Copyright 1997 by SEIKO EPSON CORPORATION
Nagano, Japan

iii
PRECAUTIONS
Precautionary notations throughout the text are categorized relative to 1) personal injury and 2)
damage to equipment.
WARNING
Signals a precaution which, if ignored, could result in serious or fatal personal injury.
Great caution should be exercised in performing procedures preceded by
WARNING Headings.
CAUTION
Signals a precaution which, if ignored, could result in damage to equipment.
The precautionary measures itemized below should always be observed when performing
repair/maintenance procedures.
WARNING
1. ALWAYS DISCONNECT THE PRODUCT FROM BOTH THE POWER SOURCE AND
PERIPHERAL DEVICES PERFORMING ANY MAINTENANCE OR REPAIR PROCEDURES.
2. NO WORK SHOULD BE PERFORMED ON THE UNIT BY PERSONS UNFAMILIAR WITH
BASIC SAFETY MEASURES AS DICTATED FOR ALL ELECTRONICS TECHNICIANS IN
THEIR LINE OF WORK.
3. WHEN PERFORMING TESTING AS DICTATED WITHIN THIS MANUAL. DO NOT
CONNECT THE UNIT TO A POWER SOURCE UNTIL INSTRUCTED TO DO SO. WHEN THE
POWER SUPPLY CABLE MUST BE CONNECTED, USE EXTREME CAUTION IN WORKING
ON POWER SUPPLY AND OTHER ELECTRONIC COMPONENTS.
CAUTION
1. REPAIRS ON EPSON PRODUCT SHOULD BE PERFORMED ONLY BY EPSON CERTIFIED
REPAIR TECHNICIAN.
2. MAKE CERTAIN THAT THE SOURCE VOLTAGE IS THE SAME AS THE RATED VOLTAGE,
LISTED ON THE SERIAL NUMBER/RATING PLATE. IF THE EPSON PRODUCT HAS A
PRIMARY AC RATING DIFFERENT FROM AVAILABLE POWER SOURCE, DO NOT
CONNECT IT TO THE POWER SOURCE.
3. ALWAYS VERIFY THAT THE EPSON PRODUCT HAS BEEN DISCONNECTED FROM THE
POWER SOURCE BEFORE REMOVING OR REPLACING PRINTED CIRCUIT BOARDS
AND/OR INDIVIDUAL CHIPS.
4. IN ORDER TO PROTECT SENSITIVE MICROPROCESSORS AND CIRCUITRY, USE
STATIC DISCHARGE EQUIPMENT, SUCH AS ANTI-STATIC WRIST STRAPS, WHEN
ACCESSING INTERNAL COMPONENTS.
5. REPLACE MALFUNCTIONING COMPONENTS ONLY WITH THOSE COMPONENTS BY
THE MANUFACTURE; INTRODUCTION OF SECOND-SOURCE ICs OR OTHER
NONAPPROVED COMPONENTS MAY DAMAGE THE PRODUCT AND VOID ANY
APPLICABLE EPSON WARRANTY.

iv
PREFACE
This manual describes functions, theory of electrical and mechanical operations, maintenance, and
repair of FilmScan 200.
The instructions and procedures included herein are intended for the experience repair technician,
and attention should be given to die precautions on the preceding page. The Chapters are
organized as follows:
CHAPTER 1. GENERAL DESCRIPTION
Provides a general product overview, lists specifications, and illustrates the main components of the
scanner.
CHAPTER 2. OPERATING PRINCIPLES
Describes the theory of scanner operation.
CHAPTER 3. DISASSEMBLY AND ASSEMBLY
Includes a step-by-step guide for product disassembly and assembly.
CHAPTER 4. ADJUSTMENT
Includes a step-by-step guide for adjustment.
CHAPTER 5. TROUBLESHOOTING
Provides EPSON-approved techniques for troubleshooting.
CHAPTER 6. MAINTENANCE
Describes preventive maintenance techniques and lists lubricants and adhesives required to
service the equipment.
APPENDIX
Describes connector pin assignments, circuit diagrams, circuit board component layout and
exploded diagram.
The contents of this manual are subject to change without notice.

v
REVISION SHEET
Revision Issued Data Contents
Rev. A FEBRUARY 28 1997 First issue

vi
TABLE OF CONTENTS
CHAPTER 1. GENERAL DESCRIPTION
CHAPTER 2. OPERATING PRINCIPLES
CHAPTER 3. DISASSEMBLY AND ASSEMBLY
CHAPTER 4. ADJUSTMENT
CHAPTER 5. TROUBLESHOOTING
CHAPTER 6. MAINTENANCE
APPENDIX

EPSON OVERSEAS MARKETING LOCATIONS
EPSON AMERICA, Inc.
20770 Madrona Avenue,
P.O. Box 2842
Torrance, CA 90509-2842
Phone: [phone]
Fax: [phone]
EPSON DEUTCHLAND GmBH
Zülpicher Straße 6, 4549 Düsseldorf
Germany
Phone: [phone]
Telex: 8584786
EPSON UK LTD.
Campus 100, Maylands Avenue,
Hemel Hempstead, Herts, HP2 7TJ
U.K.
Phone: [phone]
Fax: [phone]
EPSON FRANCE S.A.
68 bis, rue Marjolin 92300,
Levallois-Perret
France
Phone: [phone]
Telex: 610657
EPSON IBERICA, S.A.
Avda. de Roma, 18-26
08290 Cerdanyola del Valles
Balcerona, Spain
Phone: [phone]
Fax: [phone]
EPSON ITALIA S.P.A.
V. le F. lli Casiraghi, 427
20099 Sesto S. Giovanni MI
Italy
Phone: [phone]
Fax: [phone]
EPSON AUSTRALIA PTY. LIMITED
1/70 Gibbes Street,
Chatswood 2067 NSW
Australia
Phone: [phone]
Fax: [phone]
EPSON SINGAPORE PTE. LTD.
No.1 Temasek Avenue #36-00
Millenia Tower
Singapore 039192
Phone: [phone]
Fax: [phone]
EPSON HONG KONG LTD.
Rooms 4706-10, 47/F
China Resource Bldg.
26 Harbour Road, Wanchai, Hong Kong
Phone: [phone]
Fax: [phone]
EPSON TAIWAN TECHNOLOGY &
TRADING LTD.
10F, No. 287 Nonking E. Road, Sec. 3,
Taipei, Taiwan, R.O.C.
Phone: [phone]
Fax: [phone]
EPSON PORTUGAL, S.A.
R. do Progresso, 471, 1° Perafita
4460 Matosinhos, Portugal
Phone: [phone]
Fax: [phone]
SEIKO EPSON CORPORATION
Imaging & Information Products Division
80 Harashinden, Hirooka, Shiojiri-Shi, Nagano-Ken 399-07 JAPAN
Phone: [phone]
Fax: [phone]
As of September, 1996

EPSON
SEIKO EPSON CORPORATION

CHAPTER 1
GENERAL DESCRIPTION
1.1 FEATURES.............................................................................................................1-1
1.2 SPECIFICATIONS..................................................................................................1-3
1.2.1 General Specification............................................................................................................. 1-3
1.2.2 Film Type and Readable Area................................................................................................ 1-3
1.2.2.1 35 mm Film ...............................................................................................................1-3
1.2.2.2 APS Holder................................................................................................................1-3
1.2.3 Electrical Specifications ........................................................................................................ 1-5
1.2.4 Safety and EMC ...................................................................................................................... 1-5
1.2.5 Resistance to Electric Noise ................................................................................................. 1-5
1.2.6 Environmental Conditions..................................................................................................... 1-5
1.2.7 Reliability................................................................................................................................. 1-5
1.2.8 Operating Conditions............................................................................................................. 1-6
1.3. INTERFACES........................................................................................................1-7
1.3.1 Bi-D Parallel Interface............................................................................................................. 1-7
1.3.2 SCSI Interface ......................................................................................................................... 1-9
1.3.2.1 Basic Specifications ..................................................................................................1-9
1.3.2.2 Command................................................................................................................ 1-10
1.3.2.3 Status ...................................................................................................................... 1-10
1.3.2.4 Messages................................................................................................................1-10
1.3.2.5 Pin Assignment ........................................................................................................1-11
1.4 FUNCTIONS.........................................................................................................1-12
1.4.1 Switches and Indicators ...................................................................................................... 1-12
1.4.2 Errors..................................................................................................................................... 1-13
1.4.3 Control Code Handshaking Procedures ............................................................................ 1-14
1.4.3.1 Control Code without Parameters...........................................................................1-14
1.4.3.2 Control Code with Parameters................................................................................ 1-14
1.4.4 Data Handshaking Procedures ...........................................................................................1-15
1.4.4.1 Inquiry Data............................................................................................................. 1-15
1.4.4.2 Monochrome Image Data Transfer ......................................................................... 1-15
1.4.4.3 Color Image Data Transfer: Line sequence Mode (block transfer mode) .............. 1-15
1.4.4.4 Color Image Data Transfer: Byte sequence Mode.................................................. 1-16
1.4.4.5 Image Data Transfer: Line Sequence Mode ........................................................... 1-16
1.4.5 Data Structure....................................................................................................................... 1-17
1.4.5.1 Line Data Structure .................................................................................................1-17
1.4.5.2 Block Data Structure ............................................................................................... 1-18
1.4.6 Status Byte Format............................................................................................................... 1-19
1.5 Main Component.................................................................................................1-20
1.5.1 Digital Board ......................................................................................................................... 1-20
1.5.2 Sub Board (only for SCSI model)........................................................................................ 1-20
1.5.3 Power Supply Board ........................................................................................................... 1-21
1.5.4 Inverter Board....................................................................................................................... 1-21
1.5.5 Engine Unit............................................................................................................................ 1-22
1.5.6 APS Holder............................................................................................................................ 1-23

GENERAL DESCRIPTION
Rev. A 1-
1
1.1 FEATURES
The FilmScan 200 is high resolution (1200 dpi), color image film scanner for use with 35 mm positive /
negative film and APS (Advanced photo system) negative film cartridge. Its main features are as follows:
 High resolution: 1200 dpi
 High image quality: 10 bit A/D
 Film availability:
 35 mm film Negative and positive
 APS (Advanced Photo System) film with a optional unit
 Available six frames preview and scan
 New command level: ESC/I-F5
 Set a frame number
 Set a film type
 Warm up less: Xe-Gas Cold Cathode Fluorescent Lamp
Figure 1-1. Exterior View

FilmScan 200
REV.-A
1-2
The following table shows option.
Code Name
FS1300APS APS Holder
Table 1-1. Option

GENERAL DESCRIPTION
Rev. A 1-
3
1.2 SPECIFICATIONS
This section describes the specifications for FilmScan 200.
1.2.1 General Specification
 Product type: Desktop color film scanner
 Model: Bi-D model
SCSI model
 Sub-scanning method: Movement of a film carrier
 Photoelectric device: CCD line sensor
 Film type: 35 mm strip film (Negative and positive)
35 mm mounted type film
APS film (Optional)
 Film carrier: 6 frames for the strip film
4 frames for the mounted film
 Maximum read area and pixels:
 35 mm film: 24 x 36 mm (1 frame)
1128 x 1700 pixels (1200 dpi)
 APS film: 16 x 28 mm (1 frame)
752 x 1322 pixels (1200 dpi)
 Scanning resolution: Main 1200 dpi
Sub 2400 dpi
 Output resolution: 50 - 4800 dpi (1 dpi step)
 Scanning speed:
 Positive film: Approx. 15 m sec / line
 Negative film: Approx. 30 m sec / line
 Color separation: By RGB light source
 Command level: ESC/I-F5
 Zoom: 50 to 200 % (1 % step)
 Gray scale: 8 bits / pixel ( Input 10 bits / pixel, output 8 bits / pixel )
 Gamma correction: CRT 2 level (A, B)
Printer 3 level (A, B, C)
User defined 1 level
 Brightness: 7 levels
 Sharpness: 5 levels
 Output data: 1 - 8 bits
 Interface (Resident): Bi-directional parallel
SCSI (50 / 25-pin connectors)
 Light source: Xe-gas cold cathode fluorescent lamp
 Dimensions and Weight:
 Dimensions: 120 x 310 x 143 mm (W x D x H)
 Weight: Approx. 3 Kg
 Color: EPSON standard gray
1.2.2 Film Type and Readable Area
 135 film: 35 mm strip film (color/monochrome, negative/positive)
35 mm mounted film (color/monochrome, positive
 IX240 (APS) Film: Negative
15, 25, 40 frames
1.2.2.1 35 mm Film
 Available Reading Area: 24 x 36 mm (1 frame)
24 x 36 mm X 6 frames (strip film reading)
24 x 36 mm X 4 frames (mounted film reading)
 Available Pixels: 1128 x 1700 (1 frame, 1200 dpi)
 Reading Origin: Refer to Figure 1-2.
1.2.2.2 APS Holder
 Available Reading Area: 16 x 28 mm (1 frame)
 Available Pixels: 752 x 1322 (1 frame, 1200 dpi)
 Reading Origin: Refer to Figure 1-3.

FilmScan 200
REV.-A
1-4
Notes 1: In the figure, dotted lines indicate maximum reading area, and dots indicate origin point.
Notes 2: Reading area is just 1 mm wider in both direction than frame area.
Figure 1-3. APS Film Reading Area and Origin Point
Notes 1: In the figure, dotted lines indicate maximum reading area, and dots indicate origin point.
Notes 2: Reading area is just 1 mm wider in both direction than frame area.
Figure 1-2. 35 mm Film Reading Area and Origin Point

GENERAL DESCRIPTION
Rev. A 1-
5
1.2.3 Electrical Specifications
 Rated Voltage: 100 - 120 V AC (100 V model)
220 - 240 V AC (200 V model)
 Input voltage: 100 - 120 V AC ±10%
220 - 240 V AC ±10%
 Rated frequency range: 50 - 60 Hz
 Input frequency range: 49.5 - 60.5 Hz
 Power consumption: Approx. 10 W (standby)
Max. 50 W
 Insulation resistance: 10 M ohms at 500 V DC (between AC line and chassis)
 Dielectric strength: 1.5K V AC, 1 min. (200 V model)
1.2K V AC, 1 min. (100 V model)
(between AC Line and chassis)
1.2.4 Safety and EMC
 Safety regulation:
 100 V model: UL1950 with D3, CSA C22.2 No.950 with D3
 200 V model: EN60950 (TUV)
EN60950 Nordic Deviation
(NEMKO)
 EMC
 100 V model FCC Part15 Subpart B Class B :USA
CSA C108.8 Class B :Canada
 200 V model EN55022 Class B
EN61000-3-2
EN61000-3-3
EN 50082-1
IEC 801-2
IEC 801-3
IEC 801-4
1.2.5 Resistance to Electric Noise
 Static electricity: Panel - 10K V
Metal - 7K V / 150pF, 150 ohms
1.2.6 Environmental Conditions
 Temperature:
 Operating: 5 °C to 35 °C
 Storage: . 25 °C to 60 °C
 Humidity:
 Operating: 10 to 80 %, no condensation
(10 to 65%, when APS option is mounted)
 Storage: 10 to 85 %, no condensation
1.2.7 Reliability
 Main unit:
 Preview: MCBF 10,000 cycles
 Scanning: MCBF 20,000 cycles
 AP8 Holder:
 Scanning: MCBF 10,000 frames
 Door open / close: MCBF 1,000 cycles
 Loading: MCBF 1,000 cycles

FilmScan 200
REV.-A
1-6
1.2.8 Operating Conditions
 Dust: Ordinary office or home conditions
Extreme dust should be avoided
 Illumination: Operation under direct sunlight or near strong light
source is not guaranteed and should be avoided.

GENERAL DESCRIPTION
Rev. A 1-
7
1.3 INTERFACES
This scanner is equipped with either a bi-directional parallel interface (Bi-D model) or a SCSI (SCSI
model). This section presents the specifications for each interface type.
1.3.1 Bi-D Parallel Interface
 Data transmission mode: 8-bit parallel
 Synchronization: /STROBE pulse
 Handshaking: BUSY and /ACK handshaking
 Signal Level: TTL-level compatible
 Data transmission timing: Refer to Figures 1-4 and 1-5.
 Connector type: 57-30360 (AMPHENOL) 36-pin plug or equivalent
(Refer to Figure 1-6.)
 Connector pin assignments: Refer to Table 1-2.
Figure 1-4. Data Transfer Timing (Host to Scanner)
Figure 1-5. Data Transfer Timing (Scanner to Host)
Figure 1-6. Applicable Connector

FilmScan 200
REV.-A
1-8
Pin No. Signal Name Return GND pin In/Out Functional Description
1 /STROBE 19 In The strobe pulse. Read-in of data is performed
at the falling edge of this pulse.
2-9 DATA0-7 20-27 In The DATA0 through DATA7 signals represent
data bits 0 to 7, respectively. Each signal is at
high level when data is logical 1 and low level
when data is logical 0.
10 /ACKNLG 28 Out This signal is a negative pulse indicating that
the printer can again accept data.
11 BUSY 29 Out A high signal indicates that the printer cannot
receive data.
12 PE 28 Out A high signal indicates paper-out error.
13 SLCT 28 Out Always at high level when the printer is
powered on.
14 /AFXT 30 In Not used.
31 /INIT 30 In The falling edge of a negative pulse or a low
signal on this line causes the printer to
initialize. Minimum 50 us pulse is necessary.
32 /ERROR 29 Out A low signal indicates printer error condition.
36 /SLIN 30 In Not used.
18 Logic H - Out Pulled up to +5V via 3.9K ohm resistor.
35 +5V - Out Pulled up to +5V via 3.3K ohm resistor.
17 Chassis GND - - Chassis GND.
16,33,19,30 GND - - Signal GND.
15,34 NC - - Not connected.
Note:
In/Out refers to the direction of signal flow from the printer’s point of view.
Table 1-2. Signal and Connector Pin Assignment for Parallel Interface

GENERAL DESCRIPTION
Rev. A 1-
9
1.3.2 SCSI Interface
1.3.2.1 Basic specifications
Any items not included in this specification shall be in conformance with ANSI standard X3.131-1986.

Function
The following functions are available, which are included in X3.131-1986.
1) Bus free phase
2) Arbitration phase
3) Selection / Re-selection phase
4) Command phase
Note: The LUN (Logical Unit Number) is fixed at “0” in this devise. The Command Link Function
is not supported.
5) Data phase
Data in phase
Data out phase
6) Status phase
7) Message phase
Message in phase
Message out phase
8) Attention condition
9) Reset condition

Logic level
TTL compatible

Electric specification
Conforms to ANSI standard X3.131-1986.

Connector
50 / 25-pin connectors

Terminator
Internal terminator
Enable to control "active" or "inactive" by a switch.
(SW = ON ... terminator available)
 SCSI ID
The SCSI ID is set with a rotary switch on the rear panel.
The switch numbers are corresponded to the available address and can be set from 0 to 7, “8 - 9” is
reserved.
Figure 1-7. Applicable Connector
(APPHENOL 50-Pin)
Figure 1-8. Applicable Connector (D-SUB 25-Pin)

FilmScan 200
REV.-A
1-10
1.3.2.2 Command
This devise use the following group “0” processor commands shown in Table 1-3.
Command Code Description
Test Unit Ready 00h Confirm for operation
Request Sense 03h Require a sense data *1)
Receive 08h Data transmission from target to initiator.
Send 0Ah Data transmission from initiator to target.
Inquiry 12h Require information of SCSI devise *2)
Note *1): Only the extension sense data format is supported for sense data returned by
the request sense command.
Note *2): TheiInquiry data is as follows.
Peripheral devise type: 03h (processor)
RMB: 00h (non-removable media)
Devise type restriction: 00h
ISO version: 00h
ECMA version: 00h
ANSI version: 01h (current version)
Additional length: 23h
Vender unique parameter byte:
(00h, 00h, 00h,.EPSON, 20h, 20h, 20h, “FilmScan”, 20h,'200', 20h, 20h, 20h, 20h, “*. **”,
00h, 00h, 00h, FFh)
Note.. “*.**” ROM version
1.3.2.3 Status
Status values for the SCSI interface are shown in Table 1-4.
Status Status Bits
76543210
Good R0000000
Check Condition R 0000010
Busy R0001000
All other codes are reserved.
“R” means reserved bit.
1.3.2.4 Messages
Messages for the SCSI interface are shown in Table 1-5.
Message Code Direction Completion of ATN
Command 00h In -
Disconnect 04h In -
Message Reject 07h In / Out Yes (Out)
Bus Device Reset 0Ch Out Yes
Identify 80h - FFh In / Out No (Out)
Out: Target -> Initiator
In: Initiator -> Target
Table 1-3. Commands
Table 1-4. Status Values
Table 1-5. Messages

GENERAL DESCRIPTION
Rev. A 1-
11
1.3.2.5 Pin Assignment
Pin assignments are presented in Table 1-6.
Signal I/O Pin Number Description,
,50 Pin 25 Pin
GND 1, 12, 14, 25, 35,
37, 29, 40, 42 7, 9, 14, 16, 18, 24
NC 13
DB0 I/O 26 8 Data Bus 0
DB1 I/O 27 21 Data Bus 1
DB2 I/O 28 22 Data Bus 2
DB3, I/O 29 10 Data Bus 3
DB4 I/O 30 23 Data Bus 4
DB5 I/O 31 11 Data Bus 5
DB6 I/O 32 12 Data Bus 6
DB7 I/O 33 13 Data Bus 7
DBP I/O 34 20 Data Bus Parity
TERMPWR 38 25 Term power
ATN I 41 17 Attention
BSY I/O 43 6 Busy
ACK I 44 5 Acknowledge
RST I 45 4 Reset
MSG O 46 2 Message
SEL I/O 47 19 Select
C/D O 48 15 Command / Data
REQ O 49 1 Request
I/O O 50 3 Input / Output
Table 1-6. Pin Assignments (SCSI)