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!

  Mahendrakumar Tak 2017-02-27 10:43:04  
  Amazing Support, This is what happened, I had to think for more than 4 hours about the purchase and program authenticity. Finally decided to gamble, Registration 1 min Payment instant Call Back in 1 min Mail with key check 2 min Input key in WIC and reset 1 min VOILLA!!! Printer was ALIVE..Again.... Was an amazing purchase. P.S. I do not post reviews for any purchases made unless they are a real pain in the ..., or unless the product is amazing.
  Yusuf ARSLANTURK 2006-12-25 11:34:00  
  its OK!!
  Naser Khalil 2018-02-26 09:27:43  
  Dear Sir, I need this Service Manual for D3000 and i couldn't fine away how to add this to my shopping card. please Advice.
  Peter Sam 2009-08-11 11:18:28  
  Thank you so much for prompt reply. The program I received from you works fine. I have resetted 4 printers already! that is what I need. Peter.
  Silvia Brandmeier 2021-10-25 17:32:04  
  It is end of October 2021. I just have bought the second reset key in my printers life. The first one I bought in 2015 !!! That means my printer had already it's life prolonged by 6 years and goes now into the second reset cycle. Keep up the good work to prevent valuable electronic hardware becoming garbage. I never had any trouble in 6 years with the ink waste pad after resetting the counter for the first time.
  phum ma 2023-07-27 11:26:39  
  I have order it but it can not work for reset wast ink pad. When release a new it too sad to order with 19.99$ with nothing can do.

====REPLY====
This printer model has separate Waste Ink Maintenance Box with its own IC chip.
You can replace Waste Ink Maintenance Box or reset the chip on the Waste Ink Maintenance Box.

This information is clearly stated in program description at our site.
  RAMA MOHAN 2012-09-26 17:42:02  
  thankyou the reset only took second thankyou again dont suppose you know an easy way to replace the ink pads
  fred perry 2010-07-30 17:24:22  
  Thank you for such complete service manual. I am service engeneer.
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