NP 6621 Copier
Service Manual

$9.99
NP 6621 Copier<br> Service Manual
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NP 6621 Copier SERVICE MANUAL

This Service Manual provides basic facts and figures you will need to service the plain paper copier NP6621 in the field.
The NP6621 is designed to enable automated copying work and may be configured with the following accessory; for servicing information on the sorter, ADF, and control card, see their respective Service Manuals:
1. Cassette Feeding Module-B2
2. Cassette Feeding Module-A2
3. Cassette Feeding Unit-K1
4. Paper Deck Pedestal-K1
5. Control Card IV N
6. ADF-E1
7. RDF-F1
8. Stapler Sorter-D1
9. Sorter 10-B1
10. Remote Diagnostic Device II

This Service Manual contains descriptions on the 1-Cassette Feeding Unit-B1 and the 2-Cassette Feeding
Unit-A2.

Note:
The Cassette Feeding Unit-B2, the Cassette Feeding Unit-A2 the cassette feeding Unit K1, the Paper Deck Pedestal-K1 and Remote Diagnostic Device II may not be available for sale in some areas.

This Service Manual is organized as follows:

CHAPTER 1
“General Introduction,” explains the NP6621’s features, specifications, and step-by-step instructions on how to operate the copier.

CHAPTER 2
“Copying Processes,” shows how the NP6621 generates copies while discussing each of the steps involved.

CHAPTER 3
“Operations and Timing,” explains the NP6621’s mechanical system by function and principles behind its electrical system in relation to timing of each operation.

CHAPTER 4
“Mechanical System,” provides instructions on how to disassemble/assemble and adjust the NP6621.

CHAPTER 5
“Installation,” provides points to note when selecting the site of installation and instructions on how to install the NP6621.

CHAPTER 6
‘Maintenance and Inspection,” gives tables of periodically replaced parts and consumables/durables as well as a scheduled servicing chart.

APPENDIX contains a general timing chart, general circuit diagrams, and PCB diagrams.

FORMAT: High resolution PDF document!
ZIP archive: 3 724 kB

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

  john nantau 2019-10-18 23:19:41  
  Brilliant reset code worked a treat on my old XP-950 after replacing the waste ink pads.
  Anonymous 2020-08-14 14:18:58  
  I can't believe how easily my seemingly unfixable problem was solved by this site. Thank you so much, will definitely buy after the free trial!
  job mwangi 2016-02-18 18:14:15  
  Awesome. I made a mistake ordering 2 codes (I needed just 1). They called me (I'm in Italy) to ask if it was an erroneous "double click"...and they deleted the second order. I still can't believe it. That's PURE QUALITY. (Of course the whole thing works and the printer is doing his work). THANX!
  coca cristi 2011-12-13 20:13:48  
  multumesc mult! pentru ajutorul acordat imprimanta mea functioneaza iarasi.
  Anonymous 2015-08-12 04:18:50  
  very easy! Buy Key, Open Program, Enter Key. You are all set!
Make sure to actually check your waste ink pads or install an external tank. Great I can finally squeeze the life out of my printer. Epson scam artist want you to send it back so they can sell as a refurbished model. I really don\'t know why epson doesn\'t just make this program available them self for free? Until then I can pay $10 instead of a new epson. Tested on WF7510. Owner of Epson WF7110 - New arrival looks to be good so far Epson WF7510 - Good Scanner Epson WF7010 - Work Horse Epson WF1100 - Second worse Epson WF30 - worst one Epson c88 - Ancient
  Priscilla Villalobos 2020-07-23 13:18:55  
  Good morning. I have two questions, if you´re so kind to help me. 1) The expiration date key. Does it mean once we get it, we have a period to use it? Or what the expiration date referenced to? 2) If the printer has a problem and we have to format it again, will the key information lost and we need a new one, or does it be able to be used again?. Many thanks ! Esther
  JOHN WHITE 2020-01-22 02:49:13  
  I am amazed! The reset worked on our Epson XP-610 wireless printer without a USB cable connecting the computer and the printer right beside it and below the modem. We are grateful. Now I need to send back the USB cable I ordered; it arrived while we were printing Bible study materials being sent from my wife's Surface Pro in the dining room. The Epson is performing like new! Thank you!
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