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BJC-5000 printer Service Manual

CONTENT

Part 1: Safety and Precautions
1. SAFETY PRECAUTIONS
1.1 Moving Parts
1.2 Ink Stains
1.2.1 Ink path
1.2.2 Ink mist
1.3 BJ Cartridge Heat-Up
2. MACHINE PRECAUTIONS
2.1 Handling BJ Cartridges
2.1.1 Unpacking the BJ cartridge
2.1.2 Preventing clogged nozzles
2.1.3 Power on/off
2.1.4 When not using the printer
2.1.5 Ink electroconductivity
2.2 Handling Ink Cartridges (Color BJ Cartridge)
2.2.1 Unpacking the ink cartridge
2.2.2 Protecting the ink cartridge
2.3 Printer Precautions
2.3.1 Preventing deformation of the spur tip
2.3.2 Static electricity damage prevention
2.3.3 Ink leakage prevention
3. MAINTENANCE SERVICE PRECAUTIONS
3.1 EEPROM Data Precautions
3.2 Static Electricity Precautions
3.3 Disassembly and Assembly Precautions
3.4 Built-In Self-Diagnosis

Part 2: Product Specifications
1. PRODUCT OUTLINE
1.1 Product Outline
1.2 Features
1.3 BJ Cartridge
1.3.1 Color BJ cartridge (BC-21e)
1.3.2 Black BJ cartridge (BC-23)
1.3.3 Black BJ cartridge (BC-20) (reference)
1.3.4 Photo BJ cartridge (BC-22e Photo)
1.4 Dual Cartridge System
1.5 BJ Cartridge Container
1.6 Consumables
1.6.1 BJ cartridge (Black, Color, Photo)
1.6.2 Ink cartridge (BC-21e Color BJ Cartridge only)
2. SPECIFICATIONS
2.1 Printer Specifications
2.2 Paper Specifications
2.2.1 Paper size
2.2.2 Paper type
2.2.3 Cut sheet feeder sheet loading capacity
2.2.4 Printing area
2.3 Interface Specifications

Part 3: Operating Instructions
1. PRINTER SETUP
1.1 Unpacking and Inspection
1.2 Site Selection
1.3 Setup Procedure
1.3.1 Connecting the interface cable
1.3.2 Connecting the AC power cord
1.3.3 Turning on the printer
1.3.4 Installing the BJ cartridge
1.3.5 Replacing the ink cartridge
1.3.6 BJ cartridge container
1.4 Turning the Printer On/Off
1.4.1 Turning the printer on
1.4.2 Turning the printer off
1.5 Paper Settings
1.6 Banner Print
1.7 Names of Parts and Their Functions
2. TRANSPORTING THE PRINTER
2.1 Carrying the Printer
2.2 Transporting the Printer
3. PRINTER SERVICING FUNCTION
3.1 Error Indications
3.2 Cleaning the BJ Cartridge
3.3 Self-Test Printout
3.4 Service Mode
3.5 Service Mode Print Sample
3.5.1 Ripple pattern
3.5.2 Service information printing

Part 4: Technical Reference
1. OVERVIEW
1.1 Printer Block Diagram
1.2 Initialization Sequence Flowchart
1.3 Print Signal Flow
1.3.1 Data between host computer and printer
1.3.2 Print signal flow in the printer
1.4 Print Drive
1.4.1 Print drive control
1.5 Power-Off Sequence Flowchart
2. FIRMWARE
2.1 Interface
2.1.1 Compatible mode
2.1.2 Nibble mode
2.1.3 ECP mode
2.2 Printing System
2.3 Printing Modes
2.3.1 Printing mode
2.3.2 Photo print mode
2.3.3 Multi-drop print mode
2.4 Cartridge Automatic Adjustment Function
2.4.1 Automatic correction of head nozzle alignment
2.4.2 Automatic density correction of left/right cartridge
2.5 Data Separation Function
2.6 Ink Smear Control
2.7 Head Overheating Protection Control
2.8 Auto Power-Off
3. PRINTER MECHANICAL SYSTEM
3.1 Overview
3.1.1 Mechanical components
3.2 BJ Cartridge
3.2.1 Black BJ cartridge structure
3.2.2 Color BJ cartridge structure
3.2.3 Photo BJ cartridge structure
3.2.4 Bubble head unit structure
3.3 Purge Unit
3.3.1 Purge unit functions
3.3.2 Purge unit structure
3.4 Carriage
3.4.1 Carriage function
3.4.2 Carriage structure
3.5 Paper Feed/Cut Sheet Feeder
3.5.1 Paper feed/cut sheet feeder function
3.5.2 Sheet feeder structure
4. PRINTER ELECTRICAL SYSTEM
4.1 Overview of Printer Electrical System
4.2 Logic Section
4.2.1 Logic section block diagram
4.2.2 Logic section components
5. SENSOR FUNCTIONS
5.1 Pick-Up Roller Sensor
5.2 Paper End Sensor
5.3 Home Position Sensor
5.4 Purge Sensor
5.5 Cover Open Sensor
5.6 Printer Temperature Sensor
5.7 Head Temperature Sensor
5.8 Auto-Alignment Sensor
5.9 Waste Ink Amount Detection

Part 5: Maintenance
1. Maintenance
1.1 Parts for Regular Replacement
1.2 Consumables
1.3 Periodic Maintenance
2. SERVICE TOOLS
2.1 List of Tools
3. GREASE APPLICATION
4. DISASSEMBLY AND REASSEMBLY
4.1 Disassembly and Reassembly
4.2 Disassembly and Reassembly Cautions
4.2.1 Fastening screws of idler pulley assembly
4.2.2 Carriage guide frame installation
4.2.3 Unlocking the carriage lock
4.3 Logic Board and Waste Ink Absorber Replacement Cautions
4.3.1 Logic board replacement cautions
4.3.2 Cautions after replacing the waste ink absorber
5. ADJUSTMENTS
5.1 Adjustment Point
5.2 When Adjustment is Required
5.2.1 Tools required for adjustment
5.3 Adjustment Procedure
5.3.1 Preparation
5.3.2 Adjustment
6. TROUBLESHOOTING
6.1 Troubleshooting
6.1.1 Overview
6.1.2 Troubleshooting cautions
6.2 Error Condition Diagnostics
6.2.1 Diagnostic flowcharts
6.2.2 Error recovery
7. LOCATION AND SIGNAL ASSIGNMENT
7.1 Logic Board
8. CIRCUIT DIAGRAMS
8.1 Parts Layout
8.1.1 Logic board
8.2 Circuit Diagrams

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We are in business since 2002 and do our best to give our customers perfect service!

Sergio Carlo Bianchi	2019-07-20 19:34:55
My Epson XP-760 works again with Waste Ink Counter Reset! Thank you very much

allaoua melouk	2010-07-13 06:43:26
You are magic man. I have downloaded adjustment program and resetted the waste ink counter. Thank you so much for prompt service!

wahyu din	2012-11-05 15:57:58
oke reset manual yang sangat baik untuk tpfe printer epson tx121

matt hoffman

2012-01-22 20:45:03

Wow, I cannot believe that this actually worked. I had some issues when ordering the reset key, but i contacted the website via email and they immediately got back to me and sent me the key code. ran the program and the printer now works again. I had tryed the reset utility from epsons website, but it didnt work how it was supposed to, it would reset but when you would go to print it would go back to the flashing inkpad needs replaced. I will have to print for a while and see how long this actually works, but for now this has saved this printer from going into the trash. I am glad i stumbled across this program and the website. (used on Epson Artisan 800).

AILY ARELLANO	2019-09-30 03:37:52
Wow, this software really works! I was very reluctant to purchase the reset key, but after taking a few minutes to read all of the instructions and figuring out how to prepare the printer and computer...it was a breeze. Thank you for saving my printer!

Park Chan Yong	2007-11-16 06:30:19
yes!

Demon1984 Demon	2007-06-19 22:06:48
worked fine!

Jean Carivenc	2020-07-27 12:59:17
Just want to say thank you for the utility that has reset my et 2650 to 80% you're a lifesaver and I be back to get keys when i need them brillient