HL-820/1020/1040/1050 Laser Printers
Service Manual

$5.99
HL-820/1020/1040/1050 Laser Printers <br>Service Manual
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HL-820/1020/1040/1050 Laser Printers Service Manual

This service manual contains basic information required for after-sales service of the laser printer
(here- in-after referred to as "this machine" or "the printer"). This information is vital to the service
technician to maintain the high printing quality and performance of the printers.

This service manual covers the HL-820, 1020, 1040 and 1050 laser printers.
(Note that any figures for the printer body are based on the HL-1040 printer.)

This manual consists of the following chapters:
CHAPTER I : FEATURES AND SPECIFICATIONS
Features, specifications, etc.
CHAPTER II : THEORY OF OPERATION
Basic operation of the mechanical system, the electrical system and the electrical
circuits, and their timing information.
CHAPTER III : DISASSEMBLY AND REASSEMBLY
Procedures for disassembling and reassembling the mechanical system.
CHAPTER IV : MAINTENANCE AND TROUBLESHOOTING
Reference values and adjustments, troubleshooting image defects, troubleshooting
malfunctions, etc.
APPENDICES :SERIAL NO. DESCRIPTIONS, CONNECTION DIAGRAMS, PCB CIRCUIT
DIAGRAMS.


A thorough understanding of this printer, based on information in this service manual, is required for maintaining its print quality performance and for improving the practical ability to find the cause of problems.

FORMAT: High resolution PDF document!
ZIP archive: 2 613 kB

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

  rob cantrill 2006-07-30 09:41:39  
  Your Epson C42 Service Program worked a treat to clear the counter. So easy even I could do it
  İSMAİL BAYRAKTAR 2010-07-07 15:52:19  
  The reset key of Epson Px 650 worked properly. Artisan 810 also.
  perez estela 2004-02-29 13:59:38  
  hola yo compre este producto y no me lo mandaron queria saber si lo van a mandar o no si no desasemos la opreracion gracias.
  Gordon MacKenzie 2023-08-08 09:54:16  
  You guys are legends for providing this service. It's fucking rediculous customers have to use hacked firmware just to use their own fucking printers. Thanks again.
  Devid Moretton 2015-01-25 19:50:30  
  I found the problem, why the reset diidnt work. it was in depending of the epson status monitor. I was going to the task manager and stopped the status monitor. The problem was \\\"The printer statut manager\\\" After stopping status monitor, the reset was work probably. Thanks
  Anonymous 2020-02-27 17:38:46  
  I have had this Epson SX200 for more than 10 years, it has been reset on service twice, but now I decided to do it myself. First I used a trial version and then bought a key. My Epson is like new again. Thank you !!
  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
  michel jacquemin 2022-07-12 15:53:28  
  I just bought a reset key, everything works perfectly on a Epson XP 520. Just one thing, one key for several reset will be better.
Thank you for your job.
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