Stylus Photo 870, 1270 Printers
Service Manual

$9.99
Stylus Photo 870, 1270 Printers <br> Service Manual
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This manual describes basic functions, theory of electrical and mechanical operations, maintenance and repair procedures of EPSON Stylus PHOTO 870/1270. The instructions and procedures included herein are intended for the experienced repair technicians, and attention should be given to the precautions on the preceding page.

The chapters are organized as follows:

CHAPTER 1. PRODUCT DESCRIPTIONS
Provides a general overview and specifications of the product

CHAPTER 2. OPERATING PRINCIPLES
Describes the theory of electrical and mechanical operations of the product

CHAPTER 3. TROUBLESHOOTING
Provides the step-by-step procedures for troubleshooting

CHAPTER 4. DISASSEMBLY AND ASSEMBLY
Describes the step-by-step procedures for disassembling and assembling the product

CHAPTER 5. ADJUSTMENTS
Provides Epson-approved methods for adjustment

CHAPTER 6. MAINTENANCE
Provides preventive maintenance procedures and the lists of Epson-approved lubricants and adhesives required for servicing the product

APPENDIX
Provides the following additional information for reference:
EEPROM Address Map
Connector Pin Assignments
Component Layout
Exploded Diagrams
Electrical Board Circuit Diagrams


PRODUCT DESCRIPTIONS
OVERVIEW
Features
Accessories, Consumable Products, and Options
BASIC SPECIFICATIONS
Printing Specification
Paper Specifications
Printing Area
Cut Sheet
Envelopes
Adjust Lever
Ink Cartridge
Input Data Buffer
Electric Specification
Reliability
Safety, EMC
Acoustic Noise
CE marking
Environmental Condition
INTERFACE
Parallel Interface (Forward Channel)
Parallel Interface (Reserve Channel)
USB Interface
Prevention of Data Transfer Time-out
Interface Selection
IEEE1284.4 Protocol
OPERATIONS
Buttons
LED Indicators
Panel Functions
Special Setting Mode
Printer Condition and Panel Status
Errors
DIMENSION

OPERATING PRINCIPLES

OVERVIEW
Printhead Mechanism
Carriage Mechanism
Carriage Motor (CR Motor)
Platen Gap (PG) /Parallelism Adjustment Mechanism
Carriage Home Position (HP) Detection
Paper Feeding Mechanism
CR Lock Mechanism
Paper Loading Mechanism
Drive Transmission to the ASF Unit
Paper Loading Operation
Pump Mechanism
Capping Mechanism
ELECTRICAL CIRCUIT OPERATING PRINCIPLES
C298PSB/PSE Board
Electrical Circuit
Protection Circuits
Power Supply Control Function
Energy Save Mode
C304MAIN Board Circuit Operation Principles
Printhead Driver Circuit
Reset Circuit
Motor Driver Circuit
ASF/Pump Motor Driver Circuit
EEPROM Control Circuit
Sensor Circuit

TROUBLESHOOTING
OVERVIEW
Self-Diagnostic Function
Troubleshooting with LED Error Indicators
Error Conditions
Remedies for Paper Out Error
Remedies for the Paper Jam Error
Remedies for No Ink Cartridge Error/Ink Cartridge Problem
Remedies for Maintenance Request Error
Remedies for Fatal Error
Isolating the Faulty Part on the Power Supply Board
Isolating the Faulty Part according to the Phenomenon

DISASSEMBLY AND ASSEMBLY
OVERVIEW
Precaution for Disassembling the Printer
Tools
Specifications for Screws
Service Checks After Repair
DISASSEMBLY PROCEDURES
HOUSING Removal
Circuit Board Assembly Removal
Panel Unit Removal
Printhead Unit Removal
TRAY, ABSORBER ASSEMBLY Removal
Ink Unit Removal
MOTOR ASSEMBLY, CR Removal
MOTOR ASSEMBLY, ASF Removal
DE Unit Removal
ASF Unit Removal
SHAFT, ROLLER, LD Removal
ROLLER ASSEMBLY, LD, RIGHT/LEFT Removal
Carriage Unit Removal
BOARD ASSEMBLY, ENCODER Removal
ROLLER, PF Removal
SCALE, PF Installation
MOTOR ASSEMBLY, PF Removal
PE Sensor Unit Removal

ADJUSTMENT
OVERVIEW
Adjustment Items
Adjustment Tools
ADJUSTMENT
Parallelism Adjsutment
Backlash Adjsutment
Using the Adjustment Program
About the Adjustment Program
How to Install the Program
How to Uninstall the Program
Starting the Service Program
Market destination check
Head voltage ID input
Where to Find the Head ID
Check Present Data
Change Data
Head angular adjsutment
Bi-Directional adjustment
USB ID check/input
Inputting/Checking the USB ID
Head cleaning
Initial ink charge
Protection counter check
Check the Present Counter Value
Clear the Protection Counter Values
CSIC information
Print A4 pattern

MAINTENANCE
OVERVIEW
Cleaning
Service Maintenance
Head Cleaning
Maintenance Request Error Clear
Lubrication

APPENDIX
CONNECTOR SUMMARY
Connector Pin Assignment
EPSON Stylus PHOTO 870/1270 Revision B
EEPROM ADDRESS MAP
CIRCUIT BOARD COMPONENT LAYOUT
EXPLODED DIAGRAMS
Exploded Diagrams for Stylus PHOTO 870
Exploded Diagrams for Stylus PHOTO 1270
PARTS LIST
Parts List for Stylus PHOTO 870
Parts List for Stylus PHOTO 1270
ELECTRICAL CIRCUIT BOARD DIAGRAMS


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ZIP archive: 13 199 kB

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

Our customers reviews:

  barend gerritsen 2005-02-05 09:51:04  
  good! Barend
  David Morris 2011-11-02 15:33:04  
  I was a bit unsure about trying this at first but thought its only about fiver so give it a try, and i'm glad i did, it's so simple and you save money as well, i had a slight problem with the reset key at first so i e-mailed 2manuals, They sent me a new key and i was all sorted in less than no time . I would highly recomend,worth every penny. David Morris, Gwent, South Wales u.k
  mahesh singh 2019-01-22 12:33:20  
  mera printer reset nhi ho rha isliye hum aapki service se naraz hai
=====Admin=====
This Adjustment Program is not for reset but for making adjustments and ink charging and power printhead cleaning to unclog printhead
  robert widdicombe 2016-04-20 02:19:16  
  Thank you for all your help. I got my printer printing again. I had trouble with my OS as I have Linux but it worked fine on my mac. Thanks again, Joyce
  santiago carlos 2004-06-26 18:59:49  
  Printer is now fixed and working fine. Thank you very much for your help. (I have already \"recommended \" your site to a friend who was having a problem with his printer. Further if (when) I have a problem with any of my other printers, (Canon S600 and Cannon i560), if a manual is needed, I will revisit.
  Narayan Chakra Borty 2010-09-18 12:22:25  
  Dear sir plz help for Epson T60 Service Adjustment Program FULL Working New! plz confirum t50 t59 service adjustment program work for t60?
  Paul Jumbo 2019-04-19 18:47:57  
  I had Epson WF-2650 and it wasn't printing fully, skipping lines, even though colors were full.
I did a lot of cleaning, head cleaning, put new cartridge but no luck. I did some head cleaning using glass cleaner and syringes as shown on various youtube video.
After that, my printer didn't recognize two of the cartridges. I tried everything, cleaning contacts etc, nothing worked.

I was finally going to buy new cartridges however stores were closed today so I decided to look for chip-resetting tool but nothing good was available locally.

I came across this WIC reset utility and was really skeptical if it will work. I took the chance, bought the key, used the tool to reset firmware to chipless firmware, it was successful at the first go.
At this point, printer showed all ink levels 100%. I printed a test page and it came out perfect.
To make it even more interesting for me, I live in Europe and during one of the trip, I bought two sets of XL cartridges for this same model but printer didn't recognize in the past and I was going to throw them since these were no good for my EU model. I tried these again after chip reset firmware and voila, they works too.

I am amazed at the propaganda of these printer manufactures that even original printer cartridges from US didn't work on the model here in EUROPE, these used to fit perfectly but printer wouldn't recognize however, now they works too.
Today, I was almost ready to trash my 2.5 yr old and not much used printer but after a lot of trying and finally using WIC reset utility, the printers works like new and saved me a lot!

These were the best 20 CHF/USD I spent today!
Thank you very much and I don't need to worry about relying on a hardware chip-reset tool. I will now be able to use US model cartridges and re-fill i like without having to worry. I even printed some photos using this same printer on photo paper today and printer did an excellent job.
  Anonymous 2018-01-09 06:01:35  
  thank you Made my xp330 chinless now
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