LaserJet 4V, 4MV Printers
Service Manual

$6.99
LaserJet 4V, 4MV Printers<br> Service Manual
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LaserJet 4V, 4MV Printers Service Manual

This manual contains the necessary information to service the HP LaserJet 4V, 4MV Printers

Contents:

1 Printer Description
Orientation to the printer, as well as the service and repair philosophy is discussed. Information on obtaining assistance and warranty is also here
2 Site Requirements
Here are recommendations pertaining to installation requirements
3 Operating Overview
This chapter has detailed information about the Control Panel. Sample self tests and printer reset information are also included
4 Maintenance
Turn to this chapter for information about printer cleaning
5 Functional Overview
Here you will find the basic theory-of-operation information required to understand the various printer systems and how they function together
6 Removal and Replacement
This chapter contains the step-by-step procedures for replacing printer field replaceable units (FRUs). Assemblies are grouped by location in the printer
7 Troubleshooting
Diagnose printer problems here. Preliminary troubleshooting table is followed by error messages, image defect samples, and diagnostic tools
8 Parts and Diagrams
Look here to find any field replaceable unit (FRU) in the printer. Exploded view drawings are accompanied by complete part number tables
A Parts Index
All parts are sorted and cross-referenced here by part number and name
B I/O Information
This appendix contains cabling and pin-out information for parallel and LocalTalk interfaces which are supported by the printer
C Regulatory Information
Here are required statements regarding RFI and laser safety
Subject Index
Use the subject index to quickly locate any information in the manual.

FORMAT: High resolution PDF document!
ZIP archive: 3 422 kB

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

  supri adie 2004-11-23 18:28:32  
  looking for information about manual service and maintenance of lq 1170 dot matrix printer
  Ruth Mason 2006-09-19 06:57:12  
  It worked fine. It was just that we didn't know where to start with opening the program. I couldn't get it to install so there was an icon that took us into the whole program. I found out that if I clicked on the one icon it opened the one we needed. The service manual will be of great help for later when the ink absorption pad needs changing. Thanks for your prompt attention. Regards, Ruth
  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.
  mehmet ramiz alp 2019-10-17 06:50:32  
  Thank you so much for this trail. your service is very good. my printer was not working from two three weeks. then i found this app. once again thanks a lot.
  yucel konuk 2010-07-15 11:48:17  
  I NEED px710W ADJUSTMENT PROGRAM FOR WASTE INK PAD ::d
  Dylan Vandagrifft 2024-02-08 22:11:41  
  At first I thought I was going to have to spend a lot of money and have to spend a lot of time fixing my issue. It was actually the complete opposite, it was very cheap/affordable and super easy to do. They give you all the steps and explain everything very clearly. do not waste your time with dealing with Epson. This was definitely the best decision to make. Will be back when I need to reset my printer again! Thank you 2manuals.com!!!!! To bad there isnt an AMAZING rating!!
  Cheryl Riley 2019-09-16 23:55:34  
  Hi John, I just want to thank you so much for the reset key and software.  I paid you $9.99 to get those lights to stop flashing and it the software worked in a matter of minutes!  I really appreciate your service, without it I would have to buy a new printer (which I don't want to do right now!). Thank you again, you provide a great service. Cheryl
  Daniel Plaquin 2025-12-28 16:36:56  
  Ce logiciel a le mérite de fonctionner en WiFi. On n'a donc pas besoin du câble USB. Pour 8.54 € (9.99 $) j'ai facilement réinitialiser les compteurs de mon Epson XP-610 qui était bloquée. This software has the advantage of working over Wi-Fi, so you don't need a USB cable. For €8.54 ($9.99), I easily reset the counters on my Epson XP-610, which had frozen.
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