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Regarding your recent inquiry about the HP 45/78 printer error condition (i.e. improper print quality, etc'), it sounds like your cartridge's internal micro-electronics are either clogged or have electrically failed and will need to be replaced. NOTE: The HP 45/78/78+ ink cartridges are extremely robust (compared to many of the newer versions found in market today) and can typically be refilled 8+ times, on average, before suffering a hard internal electronic failure. To verify the electrical health of the ink cartridge, please perform the diagnostic checks below or refer to our HP printer diagnostics document: http://inkjet411.com/?page_id=1813
In some cases the ink cartridges just need to be FIRMLY re-seated into the carriage assembly (also check the cartridge restraining mechanism/arms if present - sometimes these mechanical restraints/arms become loose over time...please double-check these if applicable). We also suggest that you ensure the printer carriage/flex cables (where the cartridge interfaces to the carriage inside the printer) and ink cartridge rear electrical contacts are thoroughly clean to rule out poor connectivity as root cause: http://inkjet411.com/?page_id=1519
Cartridge & Printer maintenance should be evaluated:
Ensure both ink cartridges and flex cable contact surfaces (where the cartridge interfaces to the carriage inside the printer) are thoroughly clean: http://inkjet411.com/?page_id=1519
1) Gently blot the cartridge Nozzle Plate with a damp lint-free towel/wipe - a small amount of ink should be dispensed, and be visible, on the towel (all 3 colors should be present for a Tri-color cartridge).
2) If no ink is dispersed from nozzle plate (i.e. visible on towel) or ink cartridge completely fails to print on paper after installed in printer, then more drastic cartridge and printer cleaning steps will likely need to be performed to recover ink cartridge (NOTE: foam inside cartridge can dry out and become very hard - the foam must be moist with ink to function correctly (i.e. ink flows and wets the nozzle plate). Refer to 'clogged ink cartridge recovery' video here: http://inkjet411.com/?page_id=2818
Providing the ink cartridges are clean, the problem may be caused by a dirty wiper blade or poor seal in the service station (capping station where the ink cartridges park when not in use) and this is causing the poor jetting / print performance issue you are observing. Remove the ink cartridges and thoroughly clean the wipers and seals: http://inkjet411.com/?page_id=1519
DIAGNOSTIC TESTS FOR HP Officejet and LX, Officejet 300 series, 700 series, T series, D series, K series, G series, V series, 4100 series, 5100 series, 6100 series, 7100 series PRINTER (HP 45/78 ink cartridges):
NOTE: Unfortunately, alignment pages and internal self test prints will usually print Ok even if the cartridge is internally electrically damaged.
Perform Printer Error Reset:
1. Open the printer/cover as if replacing the cartridge and allow the carriage assembly to move to the cartridges access/loading position.
2. Unplug the power cable from the rear of printer and close the printer's cover.
3. While depressing the power button, plug in the power cable. Keep the power button pressed for about 10-15 seconds, allowing the error flag to reset.
4. After printer powers on, cycle printer power once again and allow printer to fully initialize (may take ~5 minutes for the message/error condition to disappear).
NOTE: If ink cartridge error persists then replace ink cartridge.
*Many cartridges eventually do encounter problems or failures, especially after their original ink is gone and they are re-used, and this is often unrelated to the refill process. Typically the ink cartridge's nozzle plate suffers a break at one of the flexible circuit lines within the base of the cartridge nozzle plate...refer to photo at bottom of this page: http://inkjet411.com/?page_id=509
However, if your printer works routinely after inserting a brand new HP 45 black or HP 78 color ink cartridge in it, this will confirm the root cause of failure.
We trust this detailed technical information provides you some additional insight into the issue you have endured.
CAUTION: Be advised, the use of compatible/clone cartridges (i.e. sold thru the internet from China) are known to be problematic and may cause printer errors. We do NOT suggest refilling these types of ink cartridges.....refilling of original/genuine ink cartridges is only suggested!
If you need to purchase a new ink cartridge, we suggest you try a remanufactured HP 45/78/78+ ink cartridge from http://www.inkplicity.com/ as their ink cartridges typically have the lowest cost in the USA and reportedly have a high reliability rating (plus free shipping for all orders above $20).
For any additional questions please contact us directly: Inkjet411help@gmail.com
I suggest you run the 'Tap 10' diagnostic test pattern for your HP PS 2600 series printer model...this will display the electrical health of the ink cartridges and confirm that your printer is operational (I am guessing one of the ink cartridge control lines is open). http://www.youtube.com/watch?v=RTFOBtdthAc
For poor printing problems I suggest you run the Tap 10 diagnostic print test (see link to video below). If the new (or
refilled/reman/compatible) HP 56, 57 or 58 ink cartridge refuses to print
black/color and/or function at all (i.e. blinking ink light on Deskjet 5000
series printer) or fails to complete the printer alignment following cartridge
installation, then the ink cartridge either has a connectivity issue with the
flexible printed circuit cable (inside unit where cartridge mates with cable),
the rear cartridge contacts or cable contacts are dirty with ink residue, or
the cartridge is suffering from marginal internal electrical performance. It is
suggested you perform the TAP 43 (and TAP 10) DIAGNOSTIC PRINTER TEST to
evaluate the ink cartridges electrical performance. Visit Inkjet411 support
site to see instructional video: http://inkjet411.com/?page_id=2358
NOTE: For the HP Deskjet
5000 series printer models, when you get an HP 56, 57 or 58 integrated ink
cartridge refilled (i.e. currently offered at Costco or Frys today) or if you
buy a remanufactured/compatible HP ink cartridge, the ink levels are not
initially reset. However, continuing to use an ink cartridge which displays LOW
INK alerts is permitted by the printer, simply select OK, CONTINUE or DISMISS
when these alerts are observed. Now, it is possible to reset the ink levels by
performing the procedure outlined on Inkjet411's site: http://inkjet411.com/?page_id=1915
To clean the HP 56, 57 or
58 ink cartridges please visit the Inkjet411 site which provides
recommendations on how to clean the electrical contacts, flex driver cables and
how to perform a hot water flush of the nozzle plate (refer to video): http://inkjet411.com/?page_id=1519
Check the HP Printer website for an updated printer driver if you do not have any yet. Make sure that the printer is connected to the computer and locate the driver installation file. Open the file and follow the instructions. You will be prompted to restart your computer to completely install your printer. Hope this one solved your problem. If you have additional doubts, please come back to us. P.S: If the solution is helpful, please accept the solution. Regards,Sunny.
Checking the ink levels
A message will appear on the front panel display when the ink level for the print cartridge is low. The ink levels can also be checked through the HP Director on the computer.
Checking the ink levels on a Windows computer
From the HP Director , click Settings , Print Settings , and then click Printer Toolbox .
Click the Estimated Ink Levels tab.
The estimated ink levels appear for the print cartridges.
Checking the ink levels on a Macintosh computer
From the HP Director , click Settings , then click Maintain Printer .
If the Select Printer dialog box opens, select the HP PSC, and then click Utilities .
From the list, select Ink Level .
The estimated ink levels appear for the print cartridges.
The HP 940 cartridge is the new version of the HP 88 cartridge. Both have a chip that estimates ink levels. Once the chip says the cartridge is empty it will refuse to print, no matter how much ink is really left in the cartridge. This is a safety measure so you don't get air in your ink lines. If you get air in an ink line, that color will no longer print. We can refill the HP 88 because there are replacement chips available for these cartridges. I own a Cartridge World ink refilling store and I don't refill the HP 940s yet because I don't have access to a replacement chip. If you purchased a refilled HP 940 and it's not working, I would say the chip has not been replaced. I would wait until a reputable refiller (i.e.-Cartridge World, Office Depot, etc..) offers refills for this cartridge before you try anything off the internet.
This is a typical error with the 2175 / 2100 series.
1.) Error comes up if ink in cartridge's ink level gets too low.
2.) The ink cartridge's copper contacts are dirty. Dirt you can't see. Clean contacts with alcohol & cotton swab's (not dripping).
3.) The carridge contact's need cleaning. (Same as above).
4.) The cartridge, (even though new, can be defective).
5.) You are using a "refill kit" of some kind to refill ink cartridge's.
6.) After 1-5, re-set the printer. Power off printer wait a minute & power back on.