Question about HP DeskJet 842c InkJet Printer

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Cleaning heads on Desk Jet 842C

We have to keep buying new black cartridges to keep printer working. How do I clean the heads.

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Re: cleaning heads on Desk Jet 842C

1. Go to start/Printers and Faxes. You should see a list of printers.
2. Highlight your printer and right click on it. Select "Properties."

3. Select the "Services" tab.

4. Select the "Clean the cartridges" Box

5. Press "ok"

Posted on Jan 12, 2009

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Are you sure there is enough level on the black ink cartridge.. if does try to do "print head clean up" if doesn't fix the problem consider to replace the black ink cartridge

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maybe the ink jet cartridge is depleted. This is common on all ink jet printers.
Or, the ink jet cartridge has tape on the head.

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My SX600FW Epson Stylus will not print black even with new toners?

We took ours to a local repairer who used a special program to blast the heads. We had tried head cleaning ourselves and this didnt work. It has had to go back two or three times but it does work for several week after.

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Ink not working

Assuming that all your cartridges are clean. Then the next step is remove your print head and clean it. If you haven't done this before, it is very easy. First printer's remove your cartridges and life the lever on the upper right hand side of the print head. If you have done this, skip the next paragraph.

Gently remove the print head and put it in a container, and fill it with hot water. I usualy empty the contents of a small bottle of ink jet cartridge cleaner into the tub as well. You should see the ink literally seep out of your print head. It's best to leave it for a few hours, but if you can't wait, leave it for several minutes, and gently press a folded paper towel against the print head base. It should make a clean impression. Dry it and put it back in your printer. Test print.

If your inks are clean, and you have cleaned the head. It's unlikely, but there is an outside chance that the contacts at the back of the print head carriage could be dirty. Gently clean them with a cotton bud dipped in ink jet cleaning fluid.

If it still dosen't work, then it looks likely that your print head is damaged and will need to be replaced. You can buy replacement print heads on the internet for about £50 pounds. (UK)

However, with the price of printers falling, it might be better to cut your losses and buy a new printer. I would pay a bit more and go for the Canon IP4600 which is the nearest replacement model to the IP3000. It also has separate ink tanks and significantly a removable print head. The down side is that the inks are chipped, so if you plan to refill them, you will need to plan to buy a Canon cartridge ink resetter to keep your printer happy. (About £20)

Hope it helps.

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HP won't print black, but other colors work. New refill kit...

I purchased a c6180 in Jan 09 have just got the black working fine. After pulling the nachine apart, thinking maybe to soak the head, found micro pump for ink air in black line Run copy black only (took maybe 12x25 times) then head clean Try head clean after 50 copies Voila! Black Cannot rule out that reseating all connections helped

Apr 21, 2009 | HP Printers & Copiers

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NEW Yellow Ink Cartridge Does NOt Print!!

The following is good advise I found here:

A clogged print head on your inkjet printer is not a fine thing. Over time (especially when there's long periods of no printer use) the many tiny holes that make up a modern inkjet printer's head can become clogged with dried ink.

Most printers today have some sort of cleaning routine where either you instruct the printer to go through a cleaning cycle via a program on your computer or you press a squence of buttons on the printer itself to begin the process. A number of these cleanings, in succession, will usually take care of a clogged head--but not always. I recently found my year and a half old Epson Stylus Color 600 unable to print coherently using black ink and no amount of standard cleaning-cycle runthroughs would fix the problem.

On some inkjet printers (HP's for instance) the ink cartridge contains the print head, so changing the cartridge gives you a new, unclogged printhead. My Epson's print head is part of the printer itself, and can only be replaced by a service technician, and the cost is usually very close to the price of the printer itself. I had to come up with something better than that, so I began searching the web to see what people in similar predicaments had done. I found that I my problem was not unique and there were some rather successful remedies floating around.

I discovered that isopropyl alcohol (I bought a bottle of 91% alcohol at the drugstore for ~$3) is a great solvent for this sort of dried ink. There were those that recommended that I take an old, discarded ink jet cartridge, open it, clean it out with the alcohol, fill it back up with alcohol, reseal it, and place it in the printer for a few runs through the printer's self-cleaning method. This proved to be a rather messy endeavor indeed, so I followed a bit of less-agressive advice.

I simply removed the black print cartridge from the printer and dropped 7-10 drops of alcohol down in the ink-recepticle area where the ink cartridge normally sits (there should be a little hole down in there where the ink actually flows from the cartridge into the head), replaced the ink cartridge, and ran a few sessions of the printers head-cleaning routine. It took quite a few cleaning sessions (probably 15-20) with a few pages of text prints thrown in there just to try and move some ink, before it cleared up.

It actually had to sit overnight, with the last few cleanings done the next morning, before all was well--but well it is. Everything works perfectly now, and I don't have to go out and buy a new printer.

To avoid such blockages, it's a good idea to print something, both in color and black&white (if you've got a color printer), once a week or so just to keep things moving. But if you do end up cursed with a blocked print head--this method should take care of you.

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HP Desk Jet 842C printer - need cable

Hi Debbie,

You should be able to use this printer with a USB cable. You can pick up a USB cable just about anywhere that they sell computer or printer equipment. Just tell them you need a USB printer cable. This is a standard item and no further description is needed.

The Driver for this will probably be a native driver, and you probably wont have to download a new one, but just in case, here is the link for the driver directly from HP.

Good Luck

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Ink system failure Oxc19a0031 I have an HP842C. The ink cartridges appear to be full, and in fact I have changed them for new ones, but I barely get a print, It is sometimes enough to make out (barely)...

Clean the cartridges.

Go to Printers/Faxes from your START Menu
Select the printer
Select Set Printer Properties
Select the Services Tab
Clean them - I had to do it 5 times and take out the black cartridge and shake it really good until ink started coming out and clean it again. I primed 3 times.

Worked for me.

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Laser printer

Try cleaning the cartridge contacts by wiping with a soft cloth dampened with alcohol. also clean the carriage recieving side as well, these contacts if dirty will keep the cartridge from working.

We are also experiencing a high failure rate with ink jet refills-try to stay with a reputable company that has a guarantee. HTH

Nov 13, 2007 | Printers & Copiers

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