Canon BJC-55 Service Manual

BJC-55

SERVICE MANUAL

Canon

Issued by BJ Products Quality Assurance Center, Canon Inc.

DETAIL This bulletin has been issued to notify of the differences between the BJC-50/50v and

BJC-55/BJ M40 for servicing. This has been issued as a substitute for the Service

Manual, which will not be issued. The details of this bulletin are included in the electronic manual for the BJC-55/BJ M40 (CD-ROM, QY8-9035-D1C) as a reference manual. C.IWS applies to the BJC-55/BJ M40.

TABLE OF CONTENTS

1. PRODUCT OUTLINE

2. CHANGES FROM THE BJC-50v

3. EXTERNAL APPEARANCE

4. SPECIFICATIONS

4.1 Printer Specifications

4.2 Number of Pages Printable of the Cartridges

4.3 Printer Driver / Scanner Driver Type

4.3.1Restrictions on IrDA communication under Windows 2000

4.4 Interface Specifications

4.4.1IrDA interface

4.4.2USB interface

4.5 Photo BJ Cartridge Specifications

5. OPERATION

5.1 Function Setting

5.2 Ink Low Warning Reset By Button Operation

5.3 Direct Printing Function Of Images From Digital Cameras

5.4 Flash ROM Writing Operation

5.4.1Writing method

5.4.2Writing error

5.4.3USB port selection

6. TECHNICAL REFERENCE

6.1 5V Power Supply Circuit Change

7. SPECIAL TOOLS

8. PARTS LIST

9. CIRCUIT DIAGRAM

BJ M40 / BJC-55

Rev. 01: Augst 22, 2000 The information on the BJC-55 has been added.

QK-12E-0129 July 5, 2000

Main Unit Differences between BJC-50/50v and BJC-55/BJ M40

MODEL :

NO. : DATE :

1. PRODUCT OUTLINE

The BJC-55/BJ M40 are mobile, color BJ printers targeting the personal-use market. As a successive model of the BJC-50/50v, the ease of connection has been improved, mobile printer function has been strengthened, and the following functions have been added:

(1) The high-speed IrDA (Ver.1.1) enables the printer to attain print speed comparable

to that of the Centronics interface. (2) Direct printing from digital cameras with IrTran-P. (BJ M40 only) (3) Support of the USB I/F function. (4) Photo printing function.

2. CHANGES FROM THE BJC-50/50v

1) New adoption of the photo cartridge (Photo printing function has been added.)

2) The IrDA version upgrade from Ver. 1.0 to 1.1 has enabled faster transmission.

3) New adoption of IrTranP (Direct printing from digital cameras/BJ M40 only).

4) Parallel interface has been eliminated. USB I/F has been adopted.

5) Button reset of the ink low warning is added.

6) Demonstration pattern printing is eliminated.

(The other self test print can be performed by the same operation as with the BJC-50/50v.)

7) Various specifications

8) A special tool (spur cleaner) is included.

3. EXTERNAL APPEARANCE

The BJC-55/BJ M40 has the same appearance as the BJC-50/50v, except for the following:

(1) The USB I/F connector has been positioned on the left side of the printer. Along with

this, the IrDA module has been moved, and the parallel interface has been eliminated. (2) The color of the panel switch has been changed from an opaqueto a transparent purple. (3) The color of the lock switch has been changed from black to the same purple as the

panel switch. (4) The line direction along the head cover of the upper cover has been changed.

Changed from black to purple.

Changed from an opaque to a transparent purple.

The line direction has been changed.

IrDA Interface Module

USB Interface Connector

4. SPECIFICATIONS 4-1. Printer Specifications

Type Mobile serial color bubble jet printer Paper feeding Manual sheet feed / Auto sheet feed (when the optional ASF-50 has method been installed.)

Printing speed Throughput:

High Speed Standard High Quality

BC-10 Bk Cartridge

New monochrome pattern (E) 5.5 ppm 5.0 ppm -----

New monochrome pattern (J) 5 ppm 5.0 ppm -----

BC-11e Color Cartridge

New color pattern (E) 2 ppm 1.6 ppm -----

New color pattern (J) 2.0 ppm 1.8 ppm -----

BC-12e Photo Cartridge ----- ----- 0.1 ppm

Full address printing

Printing direction Unidirectional (automatically selected according to the print data) Max. Print Width 203 mm (8 inches) Line feed pitch 136 ms/line (128" /360" line feed) Built-in print LQ mode (BJC-55 only) / BJ mode (BJ M40 only) / Native mode / control mode BJL command Detection functions Presence of paper: Available

Presence of BJ cartridge: Available Waste ink amount: Available Paper width: Not available Distinction of BJ cartridge: Available Ink low: Available (by using the dot-count)

Noise Sound pressure level: conforms to ISO9296

Approx. 43 dB (A) or less during operation (HQ/HS mode)

Environmental During operation Temperature 5

C to 35oC (41oF to 95oF)

requirements Humidity 10%RH to 90%RH (no condensation)

Non operation Temperature 0

C to 35oC (32oF to 95oF)

Humidity 5%RH to 95%RH (no condensation)

Power supply Input voltage/Frequency: AC100 -240V , 50/60 Hz

Power consumption Printing status Standby status Soft power off Charging status Approx. 23 W* Approx. 1.7 W** Approx. 0.9 W** Approx. 10 W**

Approx. 1.8 W*** Approx. 1.0 W*** Approx.10 W*** Approx. 2.6 W**** Approx. 1.6 W**** Approx. 10 W****

*: Approx. 30 W when the AC adapter is used. **: When the input power is AC 100V. ***: When the input power is AC 120V. ****: When the input power is AC 230 - 240V.

External dimensions 302 mm (W) x 112.5 mm (D) x 50 mm (H)

Weight Approx. 0.9 Kg (including BJ cartridge)

4-2. Number of Pages Printable of the Cartridges

Black BJ Cartridge BC-10: Approx. 270 pages (JAIDA J1 Pattern: Japanese

measurement pattern for pages printable) (1500 character pattern: Overseas measurement pattern for pages printable)

Color BJ Cartridge BC-11e: Bk: Approx. 160 pages (ISO JIS-SCID N5 Pattern)

Cl: Approx. 50 pages (ISO JIS-SCID N5 Pattern)

Color BJ Cartridge BC-12e Photo: Bk: Approx. 60 pages

(ISO JIS-SCID N5 Pattern, High resolution paper)

Cl: Approx. 20 pages

(ISO JIS-SCID N5 Pattern, High resolution paper)

Bk: Approx. 90 pages

(ISO JIS-SCID N5 Pattern, Plain paper)

Cl: Approx. 35 pages

(ISO JIS-SCID N5 Pattern, Plain paper)

Note: See

"4-5 Photo BJ Cartridge Specifications"

for details of the BC-12e.

4-3. Printer Driver / Scanner Driver Type

Valid driver and interface part combinations for this printer are shown below.

Printer Driver Scanner Driver

USB I/F Infrared I/F USB I/F Infrared I/F

Windows 95/98 ∆

∆

Ο∆

Windows 2000 Ο∆*3Ο∆

Windows CE ΟΟ XX Macintosh Ο X Ο X

Ο: Compliant ∆: Conditionally compliant X: Not compliant

The operation of the printer driver supporting USB is assured only in preinstalled Windows 98 PCs.

IrDA 1.1 is assured only in preinstalled Windows 98/2000 PCs, except PC-9800 series.

Except PC-9800 series. Restricted as shown in 4-3-1.

Except PC-9800 series.

4-3-1. Restrictions on IrDA communication under Windows 2000

The following restrictions or problems occur in case of communication via IrDA under Windows 2000, connecting with this printer.

<Restrictions> As only one-way communication is possible, status information of the main unit cannot be obtained, causing the following restrictions:

1) The status monitor does not function.

Therefore, the status monitor is disabled by default in the printer driver of this printer in the case of communication via IrDA under Windows 2000. Users can start the status monitor by selecting "Start Status Monitor" from the "Property" sheet, however, "Communication Impossible" is indicated.

2) The installed cartridge is unknown.

3) The possibility of ink-low error is displayed only by printer LED. (The information

is not displayed on the host computer.)

4) The print job cannot be canceled from the host computer when an error has occurred.

After the cause of the error is resolved, the printer can be recovered by pressing the

RESUME

button on the printer's operation panel. The error can then be recovered on

the host computer, although the ongoing print job is deleted. Plug and Play is not supported. <Possibly occurring problems>

1) The host computer occasionally fails to recognize the infrared port of the printer in

4Mbps communication. "Hard power reset," i.e. disconnection of the printer from mains

power and removal of the battery, is required to recover from this condition. The

frequency of occurrence and the duplication are low. In case of frequent occurrence,

however, this problem can be avoided by lowering the communication speed.

2) If the cleaning operations, etc., start during printing, the error message "Write error"

may be displayed on the host computer. When the cleaning operations, etc. are

finished, the error message disappears, and printing operations continue.

3) If another operation is executed at the host computer (eg., launching another

application) while printing a large file (printing photo images from Photoshop etc.),

paper may automatically be ejected, or the printer may reset.

4-4. Interface Specifications

The interface specifications of this printer are shown below.

1) Infrared Interface

IrDA Interface Ver. 1.1 / IrTranP ASK Interface

2) USB Interface

1) The supported version of IrDA has been changed from Ver. 1.0 to 1.1.

2) IrTranP compliant. (BJ M40 only)

3) USB interface compliant.

4) Parallel interface has been eliminated.

4-4-1. IrDA Interface

1) Interface

IrDA Version 1.1 compatible

2) Optical specifications

Light generation Wavelength: 0.85 to 0.90 µm Intensity: 100 to 500 m W/Sr Light angle: Approx. ±15

(along optical axis)

Light interception Wavelength: 0.85 to 0.90 µm Intensity: 4µ W/cm2to 500m W/cm

10µ W/cm2to 500m W/cm

(when the communication speed is more than 0.576 MHz.)

Light angle: Approx. ±15

(along optical axis)

3) Transfer speed 9600/19200/38400/57600/115.2k/576k/1.152M/4M bps

4) Communication Half duplex, start/stop system (bidirectional):

method when the transfer speed is less than 115.2kbps

Half duplex, frame synchronization system (bidirectional): when the transfer speed is more than 0.576Mbps

5) Communication 0 to 1m: when the transfer speed is less than 115.2kbps

distance 0 to 0.8m: when the transfer speed is more than 0.576Mbps

6) Maximum data 2048 byte/packet

reception

7) Modulation method 3/16 RZI (Return to Zero Invert):

when the transfer speed is less than 115.2kbps 1/4 RZI (Return to Zero Invert): when the transfer speed is 0.576Mbps and 1.152Mbps 4 PPM (Pulse Position Modulation):

when the transfer speed is 4Mbps

4-4-2. USB Interface

1) Device structure Self-powered device

2) Data transfer Half duplex serial interface

method Universal Serial Bus Specification Revision 1.0 compatible

Universal Serial Bus Device Class Definition for Printing Device Version 1.0 compatible Signal rate: 12Mbps (full speed)

Transfer type: Control transfer/Bulk transfer

3) Input/output circuit No. Signal name

1 Vcc 2 -Data Data signal line 3 +Data Data signal line 4 GND

<Signal level> Vcc: "H" level input voltage: +2.0V to +5.5V

"L" level input voltage: +0.0V to +0.8V

-Data, +Data: Differential input sensitivity: Min. 0.2V "H" level input voltage: +2.8V to +3.6V "L" level input voltage: +0.0V to +0.3V

4) Interface cable Material: AWG No.28 or larger Full speed device cable (twisted pair shielded cable) Less than 5 m

5) Interface connector Printer-side: USB (Series B) receptacle Cable-side: USB (Series B) plug

Series B

4-5. Photo BJ Cartridge Specifications

Photo cartridge BC-12e

BJ cartridge BC-12e: Replaceable color BJ cartridge

(drop modulation adopted) Ink cartridge BCI-12Bk: Black (64 nozzles) Ink cartridge BCI-12Color: Yellow, Magenta, Cyan (24 nozzles x 3)

Weight Approx. 29 g (including both ink cartridges) Print speed Approx. 0.1 ppm

(A4 full address printing: reference value) Nozzle check pattern Same as the BC-11e

HR-Fine mode

Carriage motion: 3 pass Printing nozzle: 8 nozzles Resolution: 360 dpi Carriage driving frequency: 5.00 kHz

Photo print mode can be used to obtain high level gradation print quality when using the Photo BJ cartridge. These cartridges contain low density ink which achieves a rich gradation and reduced graininess by printing several times over the same dot. The printer driver divides the pixel data into a maximum of 4-values (not printed, print 1 dot, print 2 dots and print 3 dots) enabling each pixel to be printed in up to 4 gradations. The printer therefore makes three passes using a maximum of 150% more ink than usual. This Photo cartridge adopts drop modulation, decreasing granularity of the low density parts by efficiently ejecting large and small ink droplets.

Head ID

Carriage ribbon cable contact part pin No. / Signal name

Head 11/ID0 12/ID1 13/HCONT

BC-10 L L H BC-11e H L L BC-12e H H L No head installation error H H -----

The printer cannot detect ink cartridge type, and the ink cartridges suitable for the BC-11e and BC-12e heads are not incompatible, so that the following installation problem may occur. Regardless if the BCI-12 Bk/Color low density photo ink cartridge is installed in the BC-11e by mistake, the printer recognizes it as the usual BC-11e color cartridge, resulting in low density imaging. Likewise, if the BCI-11 Bk/Color cartridge is installed in the BC12e head, the opposite occurs and high density image printing takes place.

5. OPERATION 5-1. Function Setting Default setting

The default settings can be selected by button operation when the power is turned on. When the printer is turned on, hold down the

POWER

button until the beeper sounds the specified number of times for the desired function setting (BJ M40: Table1&2), and release the

POWER

button to set.

Function Setting

Mode Beeper Remark

Table 1 7 times Factory default setting (Japan/CCSI

/Canada/low voltage regions) Table 2 8 times Table 3 9 times Factory default setting (Others) Table 4 10 times Table 5 11 times Table 6 12 times BJC-55 only

BJC-55

1) No BJ mode setting

2) Addition of setting to enable/disable the ink low warning.

3) Addition of euro font setting (Code Page 858).

Table 1 Table 2 Table 3 Table 4 Table 5 Table 6

Print mode HQ HQ HQ HQ HQ --Left Margin LTR LTR A4 A4 A4 --Text Scale Mode Disable Disable Disable Disable Disable --Paper Feed Position 8.5 mm 8.5 mm 8.5 mm 8.5 mm 8.5 mm --Smoothing Disable Disable Disable Disable Disable --Reduction 1/1 1/1 1/1 1/1 1/1 --Automatic Power Off Enable Enable Enable Enable Enable --Font Roman Roman Roman Roman Roman --Font Lock Disable Disable Disable Disable Disable --Input/Download Buffer 25kB/0kB 25kB/0kB 25kB/0kB 25kB/0kB 25kB/0kB --Automatic Line Feed CR CR CR CR CR ---

International Character Set USA USA USA USA USA ---

Character Set Italics Italics Italics Italics Graphics Graphics Code Page 437 437 437 437 858 858 Ink Low Warning Disable Enable Disable Enable Disable ---

Note: The setting to enable Table 6 changes only "Character Set" and "Code Page." (That is, "Character Set" and "Code Page" are changed to "Graphics" and "858," respectively.)

BJ M40

1) No setting regarding the LQ mode

2) The setting to enable/disable the ink low warning is added.

Table 1 Table 2

Operation mode change BJ BJ Print mode HQ HQ Automatic power off Enable Enable Smoothing Disable Disable Remaining ink Disable Enable Reduction 1/1 1/1 Paper feed position 8.5 mm 8.5 mm Receive buffer 23 k B 23 k B ANK character quality Normal Normal ANK character set Katakana Katakana CR function (+LF) CR CR ANK international Japan Japan character

5-2. Ink Low Warning Reset By Button Operation Ink low warning

This printer detects the remaining ink level by counting the number of ejected ink dots in the same way as the BJC-50/50v. When the setting of the ink low warning is enabled, and the remaining ink gets low, the beeper sounds twice, and the

ERROR INDICATOR

blinks.

Pressing the

Cartridge Replacement

button will sound the beeper and move the carriage

to the center, and the

ERROR INDICATOR

indicates the ink cartridge for which the remaining ink is low as shown below. The ink low warning reset function by button operation is added to this printer. The button

operation procedures are shown below. (The ink low warning of the BJC-50/50v can be reset from the host computer only.)

Operation

1) Turn on the printer.

2) Press the

Cartridge Replacement

button to move the carriage to the center. If the carriage was moved to the center by the driver, the reset operation by the button operation is not possible.

3) Make sure that the proper cartridge is installed in the carriage. If not, install the proper one. (The ink dot counter reset is effective only to the ink cartridge type installed in the carriage.)

4) Press and hold the

RESUME

button for the number of beeps corresponding to the warned ink type to select the ink type for which the dot counter is to be reset, and release the

RESUME

button. The number of beeps is as follows:

Once: The dot counter of the BCI-10/BCI-11Bk/BCI-12Bk is reset. Twice: The dot counter of the BCI-11Color/BCI-12 Color is reset. 3 times: The dot counter of the BCI-11Bk&Color/BCI-12Bk&Color is reset. 4 times: The selected ink type is canceled.

5) Press the

Cartridge Replacement

button. The dot counter of the ink selected in the procedure 4) and the ink low warning are reset, and at the same time, the carriage returns to the home position.

Blinks once: when the remaining ink of the BCI-10 / BCI-11Bk / BCI-12Bk is little

Blinks twice: when the remaining ink of the BCI-11Color / BCI-12Color is little

Blinks 3 times: when the remaining ink of the BCI-11 BK & Color / BCI-12 BK & Color is little

5-3. DIRECT PRINTING FUNCTION OF THE IMAGE FROM DIGITAL CAMERAS

(BJ M40 only)

<Difference from the BJC-50/50v> The new adoption of IrTranP has enabled the printing of data sent directly from digital cameras compliant to IrTranP standards, not through the host computer, but via IrDA communication.

Specifications

Data communication form: IrTranP standards compatible Input image size: 640 x 460 pixels Input image capacity: 128 Kbyte or less Output image size: Landscape: 90 x 68 mm

Portrait: 77 x 103 mm Seal printing: 19 x 26 mm x 16 images

Paper size: Postcard

Operation

<Image printing> If the printer is powered on and receives print data from digital camera, the printing operation will start.

<Reprinting> The image data is also maintained in memory after printing, and will not be abandoned until new image data is received from the digital camera, or print data is input from the host computer. Reprinting of data is possible by pressing the

RESUME

button (and

releasing before the beeper sounds). <Printing cancellation>

During the printing of image data, printing is cancelled by pressing the

RESUME

button until the beeper sounds once, then releasing. In this case paper is delivered. The remaining data halfway through printing is abandoned. (As the image data has been maintained, it is possible to reprint the data, without resending the data from the digital camera.)

<Printing position definition> To select the printing position, press the

POWER

button and

Cartridge Replacement

button simultaneously when the power is on, and release the buttons after the beeper sounds the number of times applicable to the printing position to be selected. This setting returns to the default (Landscape) by powering off. The number of beeps is as follows:

Once: Portrait Twice: 16-image seal printing 3 times: Photo glossy card landscape 4 times: Photo glossy card portrait 5 times: Setting completed.

5-4. Flash ROM Writing Operation <Difference from the BJC-50/BJC-50v>

As the BJC-55/BJ M40 does not have a parallel interface, the firmware of the Flash ROM is written using the "USB Loader."

5-4-1. Writing method

a) Download the USB Loader to the host computer.

(1) Send the USB Loader from the "Software download" page on QISS to the host

computer.

This software will operate only on Windows 98 OS computers. Also, the BJC-55 / BJ M40 printer driver must be installed.

(2) Connect the printer which the firmware is to be written with the host computer.

Note that the printer should be turned off.

The other USB devices should be unplugged from the host computer.

(3) Open the USB loader with a double-click.

b) Enter the writing mode of the printer.

(1) Remove the DC plug of the universal adapter and the Lithium Ion Battery. (2) While pressing the

RESUME

button and

Cartridge Replacement

button, insert

the DC plug of the universal adapter and release the buttons after one long beep.

(3) Press the

RESUME

button, and release the button after one short beep. When the initial sequence finishes, another short beep will sound, the Power LED lights, and the printer will enter the writing mode (stand-by-to-receive state.)

The

RESUME

button does not work while in the writing mode.

Do not turn off the power with the

POWER

button while in the writing mode.

c) Download the firmware.

(1) Download the firmware for upgrading from the software download page in QISS

into the host computer.

(2) Select "AUT O" from the "USB Port" in the main dialog box of the "USB loader."

Select a port.

Exit USB loader.

About USB loader. (Version etc.)

Send the selected file to the printer.

Open the dialog box for selecting a file.Select the file to be sent to the printer.

(3) Click "Open" to open the "Open" dialog box.

Select the file downloaded in the procedure (1).

Be sure to select the file from the "Open" dialog box. If the file name is input directly in the "File Name" of the main dialog box, the file name will not be selected properly.

(4) Make sure that the selected file name and pass name are correctly indicated in the

"File Name" of the main dialog box.

(5) Click "Send" to download the selected file to the printer.

The writing process takes approx. 40 seconds, however, it may occasionally take longer, depending on the performance of the host computer and the transfer speed of the OS.

Please be careful not to turn off the power by unplugging the DC plug during file-writing operation.

(6) The Power Indicator of the printer blinks while the Flash ROM is being written to. (7) When the short beeps sound twice on the printer side, and the Power LED lights,

the writing operation has completed.

(8) After confirming the completion of the writing operation, unplug the DC plug from the

printer. Unplugging the DC plug ends the writing mode.

(9) Confirm whether the writing has normally finished by outputting the list of the

function setting status. <How to output the list of the function setting status>

Attach the DC plug of the Universal Adapter, and install the battery in the printer. Then, press the

POWER

button at soft-power-off status, and release the button after two beeps. (For details, refer to "3.4. Self Test" in Chapter 3 "OPERATION" of the BJC-50/50v Service Manual.)

Click here after selecting the file.

Select the file to be sent to the printer.

Make sure that the selected file name and pass name are correctly indicated.

Pass Name File Name

Example:

C:¥My documents¥BJC55v 1000.DL

5-4-2. Writing error

If a writing error occurs, the following information is indicated on the printer:

Error Condition Power LED Error LED Beeper

Data error Lights Blinks Two long beeps Flash error Blinks Reverse blink with the Power LED Two long beeps RAM error Blinks Synchronous blink with the Power LED Two long beeps

If an error occurs, implement the following countermeasure: Data error occurs:

As error checking is performed with each data set, when the error is been detected, the data has already been written. After also confirming the connection to the computer, reenter the writing mode and transfer the correct data.

Flash error occurs: As error checking is performed with each data set, when the error is been detected, the data has already been written. Re-enter the writing mode and transfer the correct data. If the same error occurs, the flash ROM may be damaged. Replace the Control Board.

RAM error: Occurs when the RAM memory to be used for writing on the printer side is checked. The writing operation is not being performed. Replace the Control Board of the printer.

5-4-3. USB port selection

Each machine with a USB I/F has a unique ID, and the USB port of the host computer (USBPRNxx) is exclusively assigned to this. If a new USB device is connected, a USB port for the device is newly assigned. The USB port for the writing mode is assigned in the ROM writing mode of BJC-55/BJ M40. The ports which are enabled by the USB Loader are from 1 to 99. Note that only the USB ports assigned for writing mode from "USBPRN01" to "USBPRN99" are correctly written to.

6. TECHNICAL REFERENCE 6-1. 5V Power Supply Circuit Change

The signal lines for obtaining head information (HRANK signal, ID0 signal, ID1 signal, HCONT signal, and HDIS signal) are common with the power resource "Vcc1" for the Logic Board IC of the BJC-50/50v. The Vcc4 power resource circuit has newly been added as a 5V power resource of the BJC-55/BJ M40 for the signal lines for obtaining head information. The Vcc4 is the sequence which goes ON periodically, and only at soft-power-on. As a result, the load to the print head caused by applied voltage has been reduced.

<5V/3V Power Creation Circuit Block Diagram>

+5V DC

Power Source

: Sensors

: BJ cartridge

(Logical power source)

:MPU, EEPROM, DRAM

Printer Controller Motor Driver Control ROM

: USB Interface

Regulator

(IC17)

DC/DC

Converter

(IC4)

Newly-assigned circuit

V2-ON

V3-ON

Printer Controller

(IC6)

Vcc1 (+5VDC)

Vcc2 (+5VDC)

Vcc3 (+5VDC)

3Vcc (+3.3VDC)

Vcc4 (+5VDC): For obtaining head information

V4-OFF

Amplifier Circuit

DIA

ID0 ID1

21 19 18 17

20 1

Vcc4Vcc4

Vcc4

CNH1

TOP ID0 ID1 IHKS2

DIK

HRANK

HDIS

Vcc4

HCONT

7. SPECIAL TOOLS

If spur marks are left on the print images, the spurs can be cleaned by using the spur cleaner. The spur cleaner is reusable until it loses its' effectiveness.

Special tool (part number) Remarks

Spur cleaner (QY9-0055-000) For cleaning spurs

Usage

1) Moisten the fabric part of the spur cleaner with Approx. 5cc of water. Moisten the fabric with the water, as shown below, so that the fabric absorbs the water from end to end. Be especially careful that the area contacting the spurs absorbs enough water.

In case too much water is used, there is the possibility that water will be wrung from the spur cleaner when passing through the paper feed roller, spread inside the printer, and cause failure.

2) Open the paper feeding tray.

3) Set the spur cleaner with the fabric-affixed part of the cleaner face-up and away. When the spur cleaner is set into the paper feeding opening, it is automatically fed into the main unit, and stops at the print start position.

4) Press the

RESUME

button, and release it after the beeper sounds once. The spur

cleaner is delivered. For heavy soiling, repeat procedures 3) to 4 ) approx. 5 times.

5) Set a single sheet of paper to the ASF and repeat procedures 3) and 4). (To remove the moisture remaining in the paper feeding path.)

Fabric (white-colored)

Spur Cleaner

Part moistened with water

Be careful that the water is absorbed by the fabric from end to end.

Transparent film

Spur cleaner

Fabric

8. PARTS LIST

BJC-55 BJ M40

Upper Case Unit QG5-1536 QG5-1537 Head Cover QB1-4700 QB1-4701 Instruction Film QB1-4763 QB1-4762 Upper Case QB1-4696 QB1-4697 Control PCB Ass'y QG2-3208 QG2-3209 Flash ROM QH8-0893 QH8-0894

Other parts are common with the BJC-55/BJ M40. For details, refer to the BJC-55/BJ M40 Parts Catalog (QY8-31AT-010).

9. CIRCUIT DIAGRAM

Control Board (Common to BJC-55/BJ M40)

12345678910

CONTROL PCBASS'Y 01

Vpp Vcc1

Vcc1

Vcc2

Vcc3

Vpp

CNBT1

ZD1

0.1µ,25V

470µ,25V

11.5K,1/16W

1K,1/16W

0.1µ,25V

1µ,16V

123

876

VSC

OUT

GND

RESET

VSA

VSB/RIN

VCC

IC1

0.1µ,25V

180K,1/16WR433K,1/16W

10K,1/16W

100p,50V

RESET

Q17

321

ZD2

V2-ONC

V3-ONC

4.7K,1/16W

C12

1000µ,6.3V

100,1/16W

VIN

GND

F/B

IC4

ICP1

1M,1/16W

L2 D8

LF-PRT

D9 ZD3

C19

470µ,35V

C17

0.1µ,25V

R25

15K,1/16W

R24

68K,1/16W

R26

820,1/16W

C16

3300p,50V

Q16

Q14

Q15

R27

330K,1/16W

R23

330K,1/16W

LFREF1

DCLEV

C15

3300p,50V

Q13

Q12

Q11

R22

1K,1/16W

R21

200,1/16W

R37

23.2K,1/16W

R38

10K,1/16W

R36

2K,1/16W

ZD9

876

123

CdSiV+

INV

GND

IC5

C14

330p,50V

C13

0.1µ,

25V

Q10

R20

1K,1/16W

R19

10K,1/16W

VH-ON

<03-B8>

<05-F5>

<03-B8 >

<03-F1>

<02-F1>

<05-F5>

<05-F1>

R28

51,1/10W

OP-Vcc

C18

470µ,35V

R29

10K,1/16W

OP-VH

R30

2.7K,1/16W

Q18

EMI

FB1

EMI

FB2

C82

0.01µ,50V

C81

0.01µ,50V

123

876

CSESCT

GND

V+

INV

IC2

C10

0.1µ,25V

ZD4

CHG-ON

<02-F3>

R44

47K,1/16W

R117

0,1A

2.2µ,16V

R10

0.13,1/4

R11

0.13,1/4

ICP2

R12

7.5K,1/16W

R13

7.5K,1/16W

IC3

Vpp

R14

300K,1/16W

R15

300K,1/16W

C11

0.1µ,25V

CHGLEV

<03-G5>

Vpp

R35

47K,1/16W

R34

22K,1/16W

Vcc1

R32

100K,1/16W

R33

47K,1/16W

R17

23.2K,1/16W

R18

10K,1/16W

ZD5

R16

2K,1/16W

BATLEV

<03-F1>

CNBT2

EMI

FB5

R31

7.5K,1/16W

Vcc1

ZD6

D10

R114

2.2K,1/16W

R115

1.5K,1/16W

R39

1K,1/16W

D13

D15

THBAT

<03-G5>

PWRON

<04-D8>

BAT-ON

<02-A3>

132

CNDC1

IC3

–

Q19

6578

213

220,1/4W

<04-E7>

OP-ON

<04-F7>

BTC

ZD7

Q26

Vcc4

R71

47K,1/16W

V4-OFF

<03-B8>

R73

10K,1/16W

C64

0.01µ,50V

R72

1K,1/16W

R78

47K,1/16W

<03-E8>

12345678910

CONTROL PCBASS'Y 02

123456789

1011121314151617181920212223242526272829303132333435363738394041424344

2928272625

23222120191817161514131211109876543

Vcc4Vcc4

Vcc2

Vcc4 Vcc4Vcc4Vcc4

Vcc1

MD <15..0>

MA <9..0>

PULLUP

C83

0.01µ,50V

0123456

901

1514131211

87654

LCAS

UCAS

RESET

<01-B10>

<03-E1>

<03-D4>

<03-D1>

<03-B1>

R43

1M,1/16W

R42

100,1/16W

48MHz

C31

3p,50V

3VDD

5VDD

MD0

MD1

MD2

MD3

MD4

MD5

MD6

MD7UWRAS

MA9

MA0

MA1

MA2LWPLUG

PULUP

USBD

3VDD

VSS

MA3

MD15

MD14

MD13

MD12

MD11

MD10

MD9

MD8

LCAS

UCASOEMA8

MA7

MA6

MA5

MA4

LPA2

RES

5VDD

3VDD

VSS

5VDD

TEST

LXI

LXO

MTEST

LPA3

SNMI

NMIO

LPB3

LPB2

LPB1

LPB0

CSSEL

LPA6

LPA5

LPA4

IRRXD

FIRRXD

IRTXD

VSS

5VDD

SELIN

INIT

AFXT

FAULT

SLCT

BUSY

ACK

IFD7

IFD6

IFD5

IFD4

IFD3

IFD2

IFD1

IFD0

STB

VSS

5VDD

VSS

<04-F8>

<04-C8> <04-B8>

<04-C8>

<04-B8> <04-E8> <04-D8>

C89

0.01µ,50V

CC-SW

RCV-SW

BZOUT

CHG-ON

PW-LED

ERR-LED

BATT-LED

C90

0.01µ,50V

132

131

130

129

128

127

126

125

124

123

122

121

120

119

118

117

116

115

114

113

112

111

110

109

108

107

106

105

104

103

102

101

10099989796959493929190

ASIC

IC6

1514131211

987654321

16 D<15..0>

<03-B1>

C93

0.01µ,

50V

176

175

174

173

172

171

170

169

168

167

166

165

164

163

162

161

160

159

158

157

156

155

154

153

152

151

150

149

148

147

146

145

144

143

142

141

140

139

138

137

136

135

134

133

VSS

5VDD

HCONT

HCLK

HDATA

HLAT

BENB3

BENB2

BENB1

ODENB

EVENB

HENB3

HENB2

HENB1

HENB0

MCHE1

MCHE0

WHEAT

HDRES

IFSEL

LPA0

LPA1

WAIT

INT0

INT1

INT2

INT3

CS0

CS1

TEST2

SXIN

SXOUT

SXO

SXI

TEST1

5VDD

VSS

<05-F1>

<05-E1>

<03-A1>

A <20..1>

R48

3.9K,1/4

R47

2.7K,1/16W

Q20

R50

330K,1/16W

R49

1K,1/16W

MCH0

MCH1

W-HT

<05-E5>

R57

10K,1/16W

R58

10K,1/16W

C38

1µ,50V

CNH1

DA2

HZM6.8FA

DA2

HZM6.8FA

DA3

HZM6.8FA

DA3

HZM6.8FA

DA4

HZM6.8FA

DA4

HZM6.8FA

DA5

HZM6.8FA

DA5

HZM6.8FA

DA6

HZM6.8FA

DA6

HZM6.8FA

R59

470K,

1/10W

R62

100K,

1/16W

R64

100,

1/16W

R60

33K,

1/16W

R61

12K,

1/16W

R63

100K,1/16W

R65

180K,1/16W

C42

0.01µ,50V

R66

7.5K,1/16W

R67

1K,1/16W

VHG

MCH0

MCH1

HVH

TOP

DIA

ID0

ID1

INKS2

HVSS

HENBA

EVENENB

HENBB

HENBD

ODDENB

BENB0

BENB1

BENB2

HVDD

HCLOCK

HLATCH

HRES

HENBC

HDATA

DIK

IC7IC7

MCHE1

MCHE0

WHEAT

W-HT

INKS1

<05-E5>

FB3

FB4

0.1µ,25V

<01-C1>

HRANK

<03-G1>

HDIS

<03-F1>

123

876

123

876

123

876

Vcc4

R84

10K,1/16W

ID0

<03-D7>

HCLK

HDATA

BENB2

BENB1

ODDENB

HCONT

HLAT

BENB3

HRES

EVENB

HENBC

HENBB

HENBA

HENBD

RA1

RA2

RA3

3Vcc

C84

0.01µ,50V

Vcc1

RAS

USBD+

USBD-

PLUG

< 04-B2 >

C85

0.01µ,50V

Vcc1

3Vcc

<05-F1>

V3-ON

C86

0.01µ,50V

3Vcc

C87

0.01µ,50V

Vcc1

C88

0.01µ,50V

C32

1000p,50V

MODE

NMI

C45

100p,50V

FNMI

CP5

RXD

<04-F8>

FRXD

TXD

<04-F8 >

<04-F8>

C91

0.01µ,50V

C92

0.01µ,50V

3Vcc

Vcc1

<03-A1>

HWR

3Vcc

23222120191817

56769

1011121314

C95

0.01µ,

50V

3Vcc

C94

0.01µ,

50V

Vcc1

3VDD

5VDD

D5D6D7D8D9

D10

D11

D12

D13

D14

D15

A23

A22

A21

A20

A19

A18

A17

A16

VSS

3VDD

A15

A14

A13

A12

A11

A10

A9A8A7A6A5A4A3A2A1

HWR

5VDD

3VDD

C97

0.01µ,50V

Vcc1

BAT-ON

<01-G3>

V2-ON

<05-F1>

MTSTB

<05-C1>

WAIT

<03-E8>

INT4

<03-F8>

INT5

INT6

INT7

CE1

SXOUT

<03-E8>

FB6

C29

8p,50V

R41

1M,1/16W

R40

100,1/16W

23.04MHz

C28

8p,50V

C96

0.01µ,

50V

Vcc1

123

876

RA8

CP4

RA4

Vcc3

RA5RA6RA7

R70

47K,1/16W

< 04-B2 >

CP3

<03-C7>

<04-C8>

<03-B8>

<03-E1>

<03-F9>

ID1

<03-D7>

Vcc4

R83

10K,1/16W

R68

47K,

1/16W

<03-E8>

12345678910

CONTROL PCBASS'Y 03

MPU

IC10

Vcc1

161610

A <20..1>

D <15..0>

MD <15..0>

MA <9..0>

0123456

123456789

1011121314151617181920

40393837363534333231302928272625242322

Vcc

I/O0

I/O1

I/O2

I/O3

VCC

I/O4

I/O5

I/O6

I/O7NCNCWERASNCA0A1A2A3VCC

VSS

I/O15

I/O14

I/O13

I/O12

VSS

I/O11

I/O10

I/O9

I/O8

LCAS

UCAS

A8A7A6A5A4

VSS

90123

DRAM(4M)

IC8

RAS

C43

0.01µ,50V

C44

0.01µ,50V

UCAS

1514131211

87654

LCAS

123456789

101112131415161718192021222324

4847464544434241403938373635343332313029282726

A15

A14

A13

A12

A11

A10A9A8

A19NCWE

RESETNCNC

RY/BY

A18

A17A7A6A5A4A3A2

A16

/BYTE

VSS

DO15

DO7

DO14

DO6

DO13

DO5

DO12

DO4

VCC

DO11

DO3

DO10

DO2

DO9

DO1

DO8

DO0

VSS

FLASH ROM

(BJC-55:8M, BJM40:16M)

IC9

123456789

101112131415161718192021222324

75747372717069686766656463626160595857565554535251

P65

P70

P71

P72

P73

P74

P75

P76

P77

NMI

P80

P81

P82

P83

P84

P85

GND

VREF

VCC1

P90

P91

P92

P93

AM8

CLK

A12

A13

A14

A15

A16

A17

A18

A19

A20

A21

A22

A23

VCC

GND

D15

D14

D13

D12

D11

D10

D9D8D7

16151413121110920

8765432

15714613512

11310

29180

1213141516171819202122

151413

121110

987

<02-A6>

<02-G6>

<02-B1>

<02-C1>

<02-D1>

<02-E1>

<02-E6>

<02-E1>

Vcc1

CE1

<02-A4>

1234567

16151413121110

W1X0X1XYY0VEE

VSS

VDD

CONT

IC11

Vcc1

C48

0.01µ,50V

DCLEV

HDIS

BATLEV

HRANK

<01-G8>

<02-F6>

<01-E5>

<02-C7>

THBAT

CHGLEV

ADBSEL

<01-F3>

<04-G7>

<01-D5>

<03-B8>

<04-E7>

<05-E7>

<05-D7>

ACRM

BCRM

ACRM

BCRM

ALFM

BLFM

ALFM

BLFM

FNMI

TXD0

RXD0

<05-G1>

<05-E1>

<05-F1>

<05-E1>

C21

1000p,50V

C24

1000p,50V

C23

1000p,50V

C22

1000p,50V

CP10

CP6

E-D0

Vcc4

R84

10K,1/16W

R83 10K,1/16W

ID0

ID1

Vcc1

C20

0.01µ ,50V

CP7

<05-B1>

<05-B7>

<05-B1>

<05-B7>

SXOUT

WAIT

R91

300,1/16W

CP8

CP12

CP11

CRREF1

CRREF2

<05-B1>

<05-B7>

<02-A3>

<02-A4>

RESET

C98

0.1

,25V

<01-B10>

INT4

C34

100p,

50V

<02-A4>

C36

100p,50V

<02-A4>

INT5

TE-DIO

TE-CLK

INT6

C35

100p,50V

<02-A4>

C37

100p,50V

<02-A4>

INT7

Vcc1

C27

0.01µ,50V

E-OE

T-OE

<05-D7>

<05-C7>

C26

0.01µ,50V

Vcc1

100

PES

HPS

HWR

V4-OFF

LFREF1

VH-ON

ADBSEL

<01-F8>

<01-F3>

<03-G5 >

<01-D10>

<05-F7>

<02-F6>

CP9

C25

0.01µ,50V

Vcc1

GND

RESET

WDTOUT

PA0

PA1

PA2

PA3

PB0

PB1

PB2

PB3

PB1

PB5

PB6

PB7

VCC

GND

P64

P63

P62

P61

VCC

P60

P55

P54

P53

P52

A10

A11

C46

0.01µ,50V

<02-G3>

<04-F7>

<05-D10>

<02-C7>

Vcc1

C33

0.01µ,50V

R46

10K,1/16W

123

CNSEN2

ZD8

<02-F1>

12345678910

CONTROL PCBASS'Y 04

Vcc1

OP-VH

Vcc1

TH1

R86

47K,1/16W

BZOUT

R80

10K,1/16W

C58

0.01µ,50V

<02-F3>

<03-G5>

IC18

1234567

CNOP1

R85

1K,1/16W

Vcc3

ZD10

OP-Vcc

CHGLEV

<01-D5>

RXD0

<03-F7>

TXD0

<03-C7>

PES

<03-B8>

OP-ON

<01-F10>

Q21

Vcc1

R74

1.5K,1/16W

PW-LED

<02-F3>

ERR-LED

<02-F3>

BATT-LED

<02-F3>

R76

R77

300,1/16W

R75 300,1/16W

Vcc1

R81

10K,1/16W

C59

0.01µ,50V

CC-SW

<02-F3>

Vcc1

R82

10K,1/16W

C60

0.01µ,50V

RCV-SW

<02-F3>

PWRON

<01-F3>

R89

6.8,1/16W

C67

0.1µ,25V

C69

10µ,16V

C68

1µ,50V

R93

1K,1/16W

MODE

<02-F2>

FRXD

<02-F3>

TXD

<02-F3>

Option ASF

DA8

DA7

LD1

LD2

SW2

SW1

SW3

SW4

D14

IrDATransceiver

BZ1

NMI

<02-F2>

<03-G5>

FB9FBFB8FBFB7

FB10

CNUS1

USB Interface

R52

47K,

1/16W

Q25

3VCC

R53

24,1/16W

R54

24,1/16W

PLUG

PULLUP

<02-D1>

USBD-

<02-D1>

USBD+

<02-D1>

R56

47K,1/16W

R55

1.5K,1/16W

R51

10K,1/16W

PWR

GND

D-

D+

R88

47K,1/16W

C65

1µ,10V

RXD

R92

5.6K,1W

R90

6.8,1/16W

C66

0.1µ,25V

123456789

<02-F3>

123

CONT

GND

NOISE

VIN

VOUT

IC17

Vcc1 3Vcc

C41

0.01µ,50V

C40

4.7µ,25V

D16

C39

0.1µ,

25V

12345678910

CONTROL PCBASS'Y 05

Vcc1

Vpp

VH VH

Vcc1

CRREF1

ACRM

MTSTB

Q22

Q23

R94

10K,1/16W

R95

0.39,1/2W

R96

0.39,1/2W

R97

1.6K,1/16W

C70

0.1µ,25V

R102

15K,1/16W

C71

0.01µ,50V

C72

0.1µ,25V

123456789

201918171615141312

OAOASGA

Sen.A

GND

VrefA

PhA

Sth.

SGB

GND

Sen.B

VrefB

PhB

Carriage MotorDriver

IC12

C74

0.1µ,25V

R103

15K,1/16W

C76

0.01µ,50V

R98

1.6K,1/16W

R99

0.39,1/2W

R100

0.39,1/2W

C73

0.1µ,25V

R101

10K,1/16W

CNCR1

124

AAB

CNLF1

13425

COMAABB

CRREF2

BCRM

W-HT

MCH0

ZD12

1234567

16151413121110

I1I2I3I4I5I6I7

GND

O1O2O3O4O5O6O7

COM

Paper Feed Motor Driver

IC15

C78

1µ,10V

R107

0.68,1/2W

D12

WHEAT

MCHE0

ALFM

LF-PRT

123

876

tpout

xout

xin

vss

vdd

sio

sck

TIMER IC

IC13

32.768KHz

R104

10K,1/16W

R106

10K,1/16W

D11

E-DO

123

876

VccCSSK

GND

EEPROM(2M)

IC14

R77

0.01µ,50V

R105

5.6K,1/16W

T-O E

E-OE

TE-CLK

TE-DIO

<03-E8>

<03-C7>

<02-A3>

<03-C7>

<01-D10>

<03-C7>

<02-B7>

<03-D7>

<03-E9>

MCH1

V2-ONC

V3-ONC

1234567

16151413121110

I1I2I3I4I5I6I7

GND

O1O2O3O4O5O6O7

COM

IC16

MCHE1

V2-ON

V3-ON

BLFM

<02-A3>

<03-C7>

<02-C7>

<02-B7>

<01-D8>

<02-A3>

<02-E1>

<02-B7>

CNSEN1

6712543

Q24

Vcc1

R108

18K,1/16W

C80

1000p,50V

R110

22K,1/16W

R112

100K,1/16W

R113

180,1/10

R111

220,1/16W

PES

<03-B8>

HPS

<03-B8>

Vcc1

Vcc3

R109

18K,1/16W

C79

0.01µ,50V

CP1

CP2

<01-C10>

Target Readers

This manual is published by Canon Inc. for qualified persons and contains the necessary technical

information for technical theory, installation, maintenance, and repair of products. This manual covers

all localities where the products are sold. For this reason, it may contain information that does not

apply to your locality.

Revisions

This manual may include technical inaccuracies or typographical errors due to improvements or

changes in the products. When amendments are made to the content of this manual, Canon will issue

technical information as the need arises. In the event of major alterations to the content of this manual

over a long or short period, Canon will publish a revised version of the manual.

The following paragraph does not apply to any countries where such provisions are inconsistent with the local law.

Trademarks

The product names and company names appearing in this manual are the registered trademarks or

trademarks of the individual companies.

copied, reproduced, or translated into other languages, in whole or in part, without the express written

consent of Canon Inc. except in the case of internal business use.

Copyright 1998 by Canon Inc. CANON INC. BJ Products Quality Support Dept. 16-1, Shimonoge 3-chome, Takatsu-ku, Kawasaki, Kanagawa 213, Japan

This manual was produced on an Apple Macintosh Power Mac 7300/180 personal computer and Apple LaserWriter II NTX-J laser beam printer; final pages were printed on Agfa SelectSet Avantra 25.

A YANO 640MO drive system NJ640MO with MITSUBISHI MO disk cartridge MR230M1 were used for

storing large volumes of page layout and graphic data for this manual.

All graphics were produced with MACROMEDIA FREEHAND 7.0J. All documents and all page layouts were created with QuarkXPress 3.3J.

I. ABOUT THIS MANUAL

This manual is divided into five parts containing the information required for servicing the BJC50 printer.

Part 1: Safety and Precautions

This part contains information on how to service the unit safely. It is very important, and must be read.

Part 2: Product Specifications

This part outlines the product and its specifications.

Part 3: Operating Instructions

This part explains how to operate the unit properly, how it is installed, and how to use the service mode.

Part 4: Technical Reference

This part outlines the unit operation giving a technically.

Part 5: Maintenance

This part explains maintenance of the unit. It includes details of disassembly/assembly, adjustments required when assembling, troubleshooting procedures, and wiring/circuit diagrams, etc.

This manual does not contain complete information required for disassembling and assembling the BJC-50 printer. Please also refer to the separate Parts Catalog.

II. TABLE OF CONTENTS

Page

Part 1: SAFETY AND PRECAUTIONS

1 - 1 1. PERSONAL SAFETY PRECAUTIONS 1 - 1 1.1 Moving Section of the Printer 1 - 2 1.2 Ink Stains 1 - 2 1.2.1 Ink path 1 - 3 1.2.2 Ink mist 1 - 4 1.3 BJ Cartridge Aluminum Plate 1 - 5 2. MACHINE PRECAUTIONS 1 - 5 2.1 BJ Cartridge 1 - 5 2.1.1 BJ cartridge handling 1 - 6 2.1.2 Automatically capping 1 - 6 2.1.3 When not using the printer 1 - 6 2.1.4 Ink conductivity 1 - 7 2.2 Ink Cartridge 1 - 7 2.2.1 Ink cartridge handling 1 - 8 2.3 Lithium Ion Battery Handling 1 - 8 2.3.1 Initial precautions 1 - 8 2.3.2 Storage precaution 1 - 9 2.4 Printer Handling 1 - 9 2.4.1 Precautions to prevent damage from static electricity 1 -10 2.4.2 Ink leakage precautions 1 -11 3. PRECAUTION FOR SERVICE 1 -11 3.1 Precautions Concerning the Memory Data 1 -12 3.2 Precautions to Prevent Damage from Static Electricity 1 -13 3.3 Precautions for Disassembly/Assembly 1 -14 3.4 Built-in Self-diagnostic Functions

Part 2:

PRODUCT SPECIFICATIONS

2 - 1 1. PRODUCT OUTLINE 2 - 1 1.1 Product Outline 2 - 2 1.2 Features 2 - 2 1.2.1 Printer 2 - 3 1.3 BJ Cartridge 2 - 3 1.3.1 Color BJ cartridge [BC-11e] 2 - 4 1.3.2 Black BJ cartridge [BC-10] 2 - 5 1.4 Options 2 - 5 1.4.1 BJ cartridge container 2 - 5 1.4.2 Lithium ion battery (LB-50) 2 - 6 1.4.3 Universal adapter (AD-360U) 2 - 7 1.4.4 Color image scanner cartridge (IS-12) 2 - 7 1.4.5 Interface Cable (BIFC-50) 2 - 8 1.5 Consumables 2 - 8 1.5.1 BJ cartridge (Color and Black) 2 - 8 1.5.2 Ink cartridge 2 - 8 1.5.3 Lithium ion battery (LB-50) 2 - 9 2. SPECIFICATIONS 2 - 9 2.1 General Specifications 2 -13 2.2 Paper Specifications 2 -15 2.3 Interface Specifications 2 -15 2.3.1 Parallel interface 2 -20 2.3.2 Infrared interface 2 -22 2.4 Character Code Tables

Page

Part 3: OPERATING INSTRUCTIONS

3 - 1 1. PRINTER SETUP 3 - 1 1.1 Unpacking 3 - 2 1.2 Installation 3 - 2 1.2.1 Installation space 3 - 3 1.2.2 Installation procedure 3 -10 1.3 Names and Functions of Parts 3 -11 2. TRANSPORTING THE PRINTER 3 -11 2.1 Carrying the Printer 3 -11 2.2 Transporting the Printer 3 -12 3. PRINTER SERVICING FUNCTIONS 3 -12 3.1 Error Indications 3 -15 3.2 Function Setting 3 -15 3.2.1 Default setting 3 -16 3.3 Control Buttons 3 -16 3.3.1 Cleaning the BJ cartridge 3 -17 3.4 Self Test Print 3 -18 3.4.1 Demonstration print 3 -19 3.4.2 Function settings list print 3 -20 3.4.3 Ripple pattern print 3 -21 3.4.4 Nozzle check pattern print 3 -21 3.4.5 All fonts pattern print 3 -22 3.5 Hexadecimal Dump Test Print 3 -23 3.6 EEPROM Data Setting 3 -23 3.6.1 EEPROM data setting mode 3 -23 3.6.2 Setting EEPROM data 3 -24 3.6.3 Displaying EEPROM data 3 -25 3.6.4 EEPROM settings list print 3 -26 3.7 Rewriting Flash ROM 3 -26 3.7.1 Flash ROM rewrite mode

Part 4: TECHNICAL REFERENCE

4 - 1 1. OVERVIEW 4 - 1 1.1 Printer Block Diagram 4 - 2 1.2 Initial Flowchart 4 - 2 1.2.1 Print mode 4 - 3 1.2.2 Scanner mode 4 - 4 1.3 Print Signal Flow 4 - 5 1.4 Print Drive 4 - 5 1.4.1 Printing drive control 4 - 7 1.5 Scanner Drive 4 - 8 1.6 Power Off Operation Flow 4 - 9 2. FIRMWARE 4 - 9 2.1 Interface 4 - 9 2.1.1 Compatible mode 4 -10 2.1.2 Nibble mode 4 -11 2.1.3 ECP mode 4 -12 2.1.4 IrDA 4 -15 2.2 720 dpi Printing/Smoothing Feature 4 -15 2.2.1 Canon extension mode 4 -15 2.2.2 Emulation mode 4 -16 2.3 Printing Modes 4 -17 2.4 Optimum Printing Direction Control 4 -17 2.5 Automatic Emulation Switching

III

Page 4 -18 2.6 Lithium Ion Battery Recharging 4 -18 2.6.1 Switching to recharge mode 4 -18 2.6.2 Recharge protection 4 -18 2.6.3 Recharge control 4 -19 3. PRINTER MECHANISM 4 -19 3.1 Overview of the Mechanical System of the Printer 4 -20 3.1.1 Mechanical system configuration 4 -21 3.2 BJ Cartridge 4 -21 3.2.1 Color BJ cartridge structure 4 -22 3.2.2 Black BJ cartridge structure 4 -23 3.2.3 Bubble jet head-unit structure 4 -26 3.2.4 Head-maintenance function and structure 4 -28 3.3 Purge Section Structure 4 -28 3.3.1 Configuration 4 -29 3.3.2 Operation 4 -30 3.4 Paper Feed Mechanism 4 -30 3.4.1 Outline of paper feed mechanism 4 -32 3.5 Carriage Section 4 -32 3.5.1 Carriage section function 4 -33 3.5.2 Carriage section structure 4 -34 4. PRINTER ELECTRICAL SYSTEM 4 -34 4.1 Overview 4 -35 4.2 Signal Control Section 4 -35 4.2.1 Control board block diagram 4 -36 4.2.2 Control section components 4 -39 4.3 Power Supply Section 4 -39 4.3.1 Block diagram of power supply section 4 -40 4.3.2 Power supply section structure 4 -41 4.3.3 Lithium Ion Battery Recharging Circuit 4 -42 4.3.4 Lithium Ion Battery 4 -44 5. DETECTION FUNCTION 4 -44 5.1 HP Sensor 4 -44 5.2 Paper End Sensor 4 -44 5.3 Delivery Sensor 4 -44 5.4 Temperature Sensor 4 -44 5.5 Head Temperature Sensor 4 -45 5.6 Waste Ink Level Detection 4 -45 5.7 Remaining-ink Level Detection 4 -46 6. SCANNER CARTRIDGE 4 -46 6.1 Scanner Cartridge Overview 4 -46 6.1.1 Block diagram 4 -47 6.2 Scanner Cartridge Structure 4 -49 6.3 Signal Contacts 4 -50 6.4 Scan Mode 4 -50 6.5 Calibration

Part 5: MAINTENANCE

5 - 1 1. MAINTENANCE 5 - 1 1.1 Periodically-replaced Parts 5 - 1 1.2 Consumables 5 - 1 1.3 Periodic Maintenance 5 - 2 2. SERVICE TOOLS 5 - 2 2.1 List of Tools

Page 5 - 3 3. APPLYING THE GREASE 5 - 4 4. ADJUSTMENT 5 - 5 5. TROUBLESHOOTING 5 - 5 5.1 Overview of Troubleshooting 5 - 5 5.1.1 Definition 5 - 5 5.1.2 Precautions for troubleshooting 5 - 7 5.2 Error Condition Diagnosis 5 - 7 5.2.1 Diagnosis flowchart 5 -11 5.2.2 Error recovery 5 -31 6. CONNECTOR POSITION & PIN ALIGNMENT 5 -31 6.1 Control Board 5 -36 6.2 Carriage Ribbon Cable 5 -37 6.3 BJ Cartridge 5 -37 6.4 Scanner Cartridge IS-12 5 -38 7. CIRCUIT DIAGRAMS 5 -38 7.1 Parts Layout 5 -38 7.1.1 Control board (Upper section) 5 -39 7.1.2 Control board (Lower section) 5 -41 7.2 Circuit Diagrams

III. ILLUSTRATION INDEX

Page

Part 1: SAFETY AND PRECAUTIONS

1 - 1 Figure 1 - 1 Moving Sections of the Printer 1 - 2 Figure 1 - 2 Ink Path 1 - 3 Figure 1 - 3 Ink Mist 1 - 4 Figure 1 - 4 BJ Cartridge Aluminum Plate 1 - 5 Figure 1 - 5 BJ Cartridge 1 - 7 Figure 1 - 6 Ink Inlet of the Ink Cartridge 1 - 9 Figure 1 - 7 Contact Section of the Carriage Ribbon Cable 1 -10 Figure 1 - 8 Capping Position 1 -12 Figure 1 - 9 Electronic System of the Printer 1 -13 Figure 1 -10 Control Board 1 -13 Figure 1 -11 Removing Plastic Hooks 1 -14 Figure 1 -12 IrDA Unit

Part 2: PRODUCT SPECIFICATIONS

2 - 1 Figure 2 - 1 Printer Appearance 2 - 3 Figure 2 - 2 Color BJ Cartridge [BC-11e] 2 - 4 Figure 2 - 3 Black BJ Cartridge [BC-10] 2 - 5 Figure 2 - 4 Cartridge Container 2 - 5 Figure 2 - 5 Lithium Ion Battery 2 - 6 Figure 2 - 6 Universal Adapter 2 - 7 Figure 2 - 7 Color Image Scanner Cartridge 2 - 7 Figure 2 - 8 Interface Cable 2 - 8 Figure 2 - 9 Ink Cartridge 2 -14 Figure 2 -10 Printing Area 2 -14 Figure 2 -11 Printing Area (Envelope) 2 -19 Figure 2 -12 Timing Chart (Compatibility Mode) 2 -19 Figure 2 -13 Timing Chart (Nibble Mode) 2 -19 Figure 2 -14 Timing Chart (ECP Mode) 2 -20 Figure 2 -15 IrDA Method 2 -21 Figure 2 -16 ASK Method

Part 3: OPERATING INSTRUCTIONS

3 - 1 Figure 3 - 1 Packing Arrangement 3 - 2 Figure 3 - 2 Installation Space 3 - 3 Figure 3 - 3 Connecting the Universal Adapter 3 - 3 Figure 3 - 4 Connecting the Interface Cable 3 - 4 Figure 3 - 5 IrDA Angle of Rotation 3 - 5 Figure 3 - 6 Removing the Head Cap and the Tape 3 - 6 Figure 3 - 7 Installing the BJ Cartridge 3 - 7 Figure 3 - 8 Replacing the Ink Cartridge 3 - 8 Figure 3 - 9 Removing the Cap (Ink Cartridge) 3 - 8 Figure 3 -10 BJ Cartridge Container 3 -10 Figure 3 -11 Names and Functions of Parts 3 -12 Figure 3 -12 Control Panel 3 -18 Figure 3 -13 Demonstration Print (Sample) 3 -19 Figure 3 -14 Function Settings List Print (Sample) 3 -20 Figure 3 -15 Ripple Pattern Print (Sample) 3 -21 Figure 3 -16 Nozzle Check Pattern Print (Sample) 3 -21 Figure 3 -17 All Fonts Pattern Print (Sample) 3 -22 Figure 3 -18 Hexadecimal Dump Test Print (Sample)

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Canon BJC-55 Service Manual

Specifications and Main Features

Frequently Asked Questions

User Manual