Canon P-208 Instruction Manual

SERVICE
MANUAL
with
Parts Catalog
imageFORMULA
P-208
P-208II
COPYRIGHT © 2015CANON INC. CANON imageFORMULA P-208/P-208II Rev. 0 PRINTED IN U.S.A.
March 11, 2015
Rev. 0

COPYRIGHT ©CANON ELECTRONICS INC. 2012
Use of this manual should be
strictly supervised to avoid
disclosure of confidential
information.

COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION
PREFACE
Quality Assurance Cente
r
Canon Electronics Inc.
This Service Manual describes necessary basic information for field service and maintenance for
maintaining the product quality and functions of this machine.
Contents
Chapter 1: General Description
Product specifications, name of parts, operation method
Chapter 2: Functions and Operation
Description of operation of machine system and electrical system by function
Chapter 3: Disassembly and Reassembly
Disassembly method, reassembly method
Chapter 4: Installation and Maintenance
Installation method, maintenance method
Chapter 5: Troubleshooting
Service mode and troubleshooting
Appendix: General diagram, Parts catalog etc.
Information in this manual is subject to change. Notification of such changes will be given in Service
Information Bulletins.
Thoroughly read the information contained in this Service Manual and the Service Information Bulletins
to gain a correct and deeper understanding of the machine. This is one way of fostering response for
ensuring prolonged quality and function, and for investigating the cause of trouble during troubleshooting.

CONTENTS
COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION
CHAPTER 1
GENERAL DESCRIPTION
I. PRODUCT OUTLINE ..............................1-1
1. Features..............................................1-1
2. Main
Specifications.............................1-2
3. Precautions.........................................1-5
II. NAME OF PARTS....................................1-6
1. Name
of Parts.....................................1-6
III. USER OPERATION.................................1-7
1. Preparation .........................................1-7
2. Scan....................................................1-8
3. Cleaning a Paper Jam........................1-9
CHAPTER 2
FUNCTIONS & OPERATION
I. OUTLINE.................................................2-1
1. Main Configuration..............................2-1
2. Feed
Path ...........................................2-2
3. Motor
Drive .........................................2-3
4. Electrical Circuits ................................2-4
5. Timing Chart........................................2-5
II. READING SYSTEM.................................2-6
1. Reading Unit.......................................2-6
2. Shading...............................................2-7
III. FEED SYSTEM .......................................2-8
1. Document Feed ..................................2-8
2. Feed
Error.........................................2-10
IV. CONTROL SYSTEM ............................. 2-11
1. Control PCB......................................2-11
2. Image Processing Control ................2-13
V. POWER SUPPLY..................................2-15
1. Power Supply....................................2-15
VI. OPTION.................................................2-17
1. Wireless Communication..................2-17
VIi. LAYOUT OF ELECTRICAL COMPONENTS
..........................................................2-18
1. Layout of Electrical Components......2-18
VIII. PARTS LAYOUT ON EACH PCB..........2-19
1. Control PCB......................................2-19
CHAPTER 3
DISASSEMBLY &
REASSEMBLY
I. EXTERNAL PARTS .................................3-1
1. Bottom Cover......................................3-1
2. Operation
Section Cover.....................3-1
3. Pickup Tray .........................................3-2
II. UPPER UNIT...........................................3-3
1. Entire Upper Unit ................................3-3
2. Reading
Unit [Upper] ..........................3-4
3. Reading
Guide [Upper].......................3-5
4. Eject Roller [Follower].........................3-6
5. Registration Roller [Follower]..............3-7
III. BASE UNIT............................................3-10
1. Control PCB......................................3-10
2. Eject Roller [Drive]............................3-11
3. Registration Roller [Drive].................3-11
4. Feed Roller........................................3-12
5. Motor.................................................3-13
6. Lower
Reading Unit ..........................3-13
7. Lower
Reading Guide.......................3-14
CHAPTER 4
INSTALLATION &
MAINTENANCE
I. INSTALLATION........................................4-1
1. System Requirements.........................4-1
2. Checking the Accessories...................4-1
3. Installing the Software.........................4-2
4. Connecting to a Computer..................4-2
II. PARTS TO BE REPLACED.....................4-3
1. Periodically Replaced Parts................4-3
2. Parts Replaced by Users....................4-3
3. Parts Replaced by Service Technicians
...........................................................4-3
III. MAINTENANCE.......................................4-4
1. User
Maintenance...............................4-4
2. Service
Maintenance ..........................4-5

COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION
CHAPTER 5
TROUBLESHOOTING
I. ERROR DISPLAY ................................... 5-1
1. Main Body........................................... 5-1
2. Computers.......................................... 5-1
II. SERVICE MODE..................................... 5-2
1. Outline................................................ 5-2
2. How to Install...................................... 5-6
3. How to Start and Finish...................... 5-7
4. Application
Information....................... 5-9
5. Simulation Mode............................... 5-10
A. Information.......................................... 5-10
1. Scanner name.................................. 5-10
2. Firmware
version...............................5-11
3. Serial number....................................5-11
4. Counter............................................. 5-12
5. Write file............................................ 5-13
B. Adjustment .......................................... 5-14
1. Registration (Auto) ........................... 5-14
2. Registration (Manual)....................... 5-16
3. Light.................................................. 5-17
4. Regist
sensor ................................... 5-19
5. All...................................................... 5-20
C. Motor / Sensor..................................... 5-21
1. CIS LED............................................ 5-21
2. Sensor / Button................................. 5-22
3. Motor test.......................................... 5-23
D. Firmware ............................................. 5-23
1. Firm Registration.............................. 5-24
2. Firm
Version Up................................ 5-26
E. Analog................................................. 5-27
1. Analog sensor .................................. 5-27
2. Write firm.......................................... 5-28
F. Scan test ............................................. 5-29
1. Scan ................................................. 5-29
G Other Functions................................... 5-30
1. Recovery of Log Files....................... 5-30
III. LIST OF FAILURES .............................. 5-33
1. Operation
Failures............................ 5-33
2. Image
Failures.................................. 5-33
IV. OPERATION TROUBLESHOOTING.... 5-34
1. Power Does Not Come ON.............. 5-34
2. No Scanner is Found........................ 5-34
3. Scanning Does Not Start.................. 5-35
4. Scanner Does Not Feed Properly .... 5-36
5. Scanning Speed is Slow................... 5-37
V. IMAGE TROUBLESHOOTING.............. 5-38
1. All Black/All White/All Streaked........ 5-39
2. Too Dark/Too Light............................ 5-39
3. Streaks in Image............................... 5-40
4. Image
Slanted .................................. 5-40
5. Wrong Image Size............................ 5-41
6. Text Cannot be Seen........................ 5-41
7. Moire in Image.................................. 5-42
8. The image of the photograph is not good.
........................................................ 5-42
VI. AFTER REPLACING PARTS................ 5-43
APPENDIX
I. ELECTRICAL BLOCK DIAGRAM...........A-1
II. LIST OF SPECIAL TOOL........................A-2
III. PARTS CATALOG...................................A-3
1. External Cover....................................A-3
2. Upper Unit ..........................................A-5
3. Base Unit............................................A-7
4. Numerical Index..................................A-9

CHAPTER 1
GENERAL DESCRIPTION
COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION
I. PRODUCT OUTLINE...............................1-1
II. NAME OF PARTS....................................1-6 III. USER OPERATION .................................1-7

COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION 1-1
CHAPTER 1 GENERAL DESCRIPTION
I. PRODUCT OUTLINE
1. Features
1) Mobile Scanner
ADF 10 sheets are set at max.
Duplex scanning by 1 path
USB Bus Power Drive
Plug & Scan function: CaptureOnTouch Lite
Compact Design
2) Available Wireless Communication by Option
We provide the device as option (Wi-Fi Unit WU10) that has wireless and battery functions.
3) Reading Speed (A4, 200dpi)
Black & White/Grayscale: 8 ppm/16 ipm, Color: 8 ppm/16 ipm
4) Service ability
Installation: By user
Separation pad: User replacement
Periodically maintenance by service technician: None
Service tool: Unification type
"Windows" is a trademark of Microsoft Corporation in the U.S. and other countries.
"Mac", "iPad" and "iPhone" are a trademark ofApple Computer in the U.S. and other countries.
"Wi-Fi" is registered trademark of the Wi-Fi Alliance.
Other company names and product names mentioned in this document are registered trademarks or
trademarks of the respective companies.

1-2 COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION
CHAPTER 1 GENERAL DESCRIPTION
2. Main Specifications
No. Item Specifications
1 Type Desktop type sheet-fed scanner
2 Dimensions
*Details are described later. 1) Tray closed: 312.5 (W) x 55.5(D) x 40 (H) mm 2) Tray opened: 312.5 (W) x 76.5(D) x 40 (H) mm
3 Weight Approx. 0.6 kg (Main body only)
4 Power supply USB 2.0 bus power (5 V, 0.5A): 1 cable
5 Power consumption 1) Operation: 2.5 W
2) Sleep mode: 0.9 W (100 V), 1.0 W (120 V), 1.4 W (220-240 V)
3) Power switch OFF: 0.1 W
6 External interface USB 2.0 (Hi-speed)
7 Expected product life
(In-house information only) One of the following two items, whichever comes first. 1) 3 years
2) 50,000 sheets (A4 copy paper)
8 Installation By user
9 Option 1) Wi-Fi Unit WU10
2) Carrying case
10 Consumable parts
(Commercial goods) 1) Separation pad *User replacement
11 Bundle software 1) ISIS/TWAIN driver, CaptureOnTouch
2) Others depend on sales region
*CaptureOnTouch Lite is has been installed.
12 Sensor type/elements 1 line-CMOS contact image sensor, 600 dpi
13 Sensor operation mode 600 dpi or 300 dpi
14 Effective reading width 216 mm
15 Light source 3-color (RGB) LED, Single-side illumination
16 Background color White
17 Image data memory size 16MB
18 Output data to computer 1) Type: 8 bit grayscale or 24 bit color (non-compression)
19 Mode setting in driver 1) Binary: Black & White, ATE-II
2) Grayscale: 8 bit
3) Color: 24 bit
*Auto-color detection mode can be available.
20 Resolution setting in driver 600 x 600 dpi, 400 x 400 dpi, 300 x 300 dpi,
200 x 200 dpi, 150 x 150 dpi,
*Auto-resolution mode can be available.
Table 1-101a

COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION 1-3
CHAPTER 1 GENERAL DESCRIPTION
No. Item Specifications
Black & White,
Grayscale Color
Resolution Simple Duplex Simple Duplex
200 dpi 8 ppm 16 ipm 8 ppm 16 ipm
300 dpi 8 ppm 16 ipm 6 ppm 12 ipm
600 dpi 5 ppm 10 ipm 1 ppm 1.5 ipm
21 Reading speed
(A4 size, and using
CaptureOnTouch)
The numbers above may differ depending on the com-
puter, the function settings and other conditions.
22 Document feed path Straight path with horizontal, No eject tray
23 Document size 1) Width: 50.8 to 216 mm
2) Length: 70 to 356 mm
24 Document weight
(thickness) 52 to 209 g/m2(0.06 to 0.22 mm)
25 Special document Business card, Post card, and Plastic card are available.
*There are some limitations required.
26 Document storage (pickup) 10 sheets max. and 1.5 mm height max.
27 Double feed detection Length detection only
28 Operation / Indication 1) Power switch (connected open/close of pickup tray)
2) Power indicator (LED)
3) Start button (Job button also)
4) Mode switch (ON/OFF for Auto Start)
Table 1-101b

1-4 COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION
CHAPTER 1 GENERAL DESCRIPTION
 External dimensions (mm)
70
55.5
76.5
40
312.5
Figure 1-101

COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION 1-5
CHAPTER 1 GENERAL DESCRIPTION
3. Precautions
This section describes items that require
particular care, for example, regarding human
safety.
These precautions must be observed.
The user should be explained the items that
relate to user safety and instructed to take
appropriate actions.
1) Power OFF in emergency
If such abnormal conditions as extraordi-
nary noise, smoke, heat and odor occur,
immediately unplug the power cord (See
Note).
Be careful not to get clothing (ties, long
hair, etc.) caught in this machine as it may
cause injury. Should this occur, immedi-
ately unplug the power cord.
Do not insert fingers in the feed section
while moving the rollers.
Note:Power cord
The power cord of this machine is a
USB cable.
The power supply of this machine is
turned ON/OFF when the pickup tray
is opened or closed.
2) Power OFF on disassembling
When disassembling and assembling are
performed, unplug the power cord.
3) Prohibition of modify
This machine must not arbitrarily be mod-
ified or remade. If it is, use may be forcibly
suspended.
To change the specifications or disas-
semble and reassemble this machine,
follow the instructions described in this
manual and the service information.
4) Electromagnetic wave interference
This machine complies with some stan-
dards regarding electromagnetic wave
interference, such as VCCI and FCC.
However, the user may have to take
countermeasures if the machine causes
electromagnetic wave interference.
5) User manual
Read each user manual thoroughly prior
to use of this machine.
6) Disposal
Follow local regulations when disposing of
the product and parts.

1-6 COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION
CHAPTER 1 GENERAL DESCRIPTION
II. NAME OF PARTS
1. Name of Parts
Front/Side
Figure 1-201
{
1Feeder Cover (Note1)
{
2Document Feed Tray (Note2)
{
3Document Guides
{
4Feed Inlet
{
5Start Button
{
6USB Connector
Note1: In this document, the Feeder Cover may be referred to as the Upper Unit.
Note2: In this document, the Document Feed Tray may be referred to as the Pickup Tray.
Rear
Figure 1-202
{
1Auto Start Switch
{
2Eject Outlet
{
3Theft Prevention Hole (Security Slot)

COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION 1-7
CHAPTER 1 GENERAL DESCRIPTION
III. USER OPERATION
For details, refer to the user manual of
this machine.
For installation and maintenance, refer to
“CHAPTER 4 INSTALLATION &
MAINTENANCE”.
1. Preparation
1) Connecting the Scanner to the Computer
Turn OFF the Auto Start switch on the rear
of the scanner, and use the supplied USB
cable to connect the scanner to the com-
puter.
Figure 1-301
2) Auto Start Switch
There is an Auto Start switch at the rear of
the scanner for setting whether to operate
the scanner as a storage device.
Figure 1-302
ON
The scanner is recognized as a storage
device by the computer. Starting Cap-
tureOnTouch Lite preinstalled in the
scanner enables you to perform scanning
on a computer without the scanner driver
installed.
OFF
The scanner is recognized as a scanning
device by the computer. You can connect
the scanner to a computer with the scan-
ner driver installed, and perform scanning
using an application, such as the supplied
CaptureOnTouch.
3) Power source
Open the document feed tray to turn on
the scanner's power supply.
The scanner turns ON, and the Start but-
ton lights.
Figure 1-303

1-8 COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION
CHAPTER 1 GENERAL DESCRIPTION
4) Loading a document
Before you load the document, thoroughly
fan the pages.
Tab
Figure 1-304
2. Scan
A basic operational procedure in Cap-
tureOnTouch Lite is sown below.
CaptureOnTouch Lite is a scanning ap-
plication that comes pre-installed in the
scanner. It can be used on a computer that
does not have the scanner driver installed.
1) Click [Open folder to view files].
Figure 1-305
The [ONTOUCHLITE] folder opens.
Figure 1-306

COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION 1-9
CHAPTER 1 GENERAL DESCRIPTION
2) Double-click [ONTOUCHL.exe].
CaptureOnTouch Lite starts, and the main
screen appears.
Figure 1-307
3) Set the scanning method.
Figure 1-308
4) Click the Start button.
5) Refer to the user manual for further de-
tails.
3. Cleaning a Paper Jam
1) Remove any documents remaining in the
feed tray.
Figure 1-309
2) Open the feeder cover.
Figure 1-310
3) Remove the jammed document from the
feed side or eject side.
Figure 1-311
4) Close the feeder cover.

CHAPTER 2
FUNCTIONS & OPERATION
COPYRIGHT © CANON ELECTRONICS INC. 2012 CANON P-208 FIRST EDITION
I. OUTLINE..................................................2-1
II. READING SYSTEM.................................2-6
III. FEED SYSTEM........................................2-8
IV. CONTROL SYSTEM..............................2-11
V. POWER SUPPLY...................................2-15
VI. OPTION..................................................2-17
VII. LAYOUT OF ELECTRICAL
COMPONENTS................2-18
VIII. PARTS LAYOUT ON EACH PCB...........2-19