HP Thinkjet Repair II
"I have an HP ThinkJet 2225C printer. I just
replaced the print cartridge. It still doesn't print dark enough,
and even after I primed the cartridge a few times, it still also
misses a dot at the top and the second one from the bottom.
I'm wondering, could the voltage to the cartridge be too low?"
(From: Kevin).
I have seen on rare occaisions the cartridge bad
out of the box! Try wiping down the cartridge head & contact
points on the printer with a Q-tip & alcohol. Sometimes blowing
in the vent holes will force ink out the head, wipe off excess and
try it. You may have to repeat the procedure a few times. If this
doesn't work get another cartridge. You may want to try swopping
the bad cartridge into a working unit or taking a working cartridge
and putting it in the suspect printer.
(From: Frank Reid (reid@indiana.edu).)
I agree with all Kevin said. I use blue window-cleaner
(e.g. Windex) instead of alcohol; the ink is very soluble in that
stuff, and it penetrates the tiny holes in the printhead. After
cleaning, hold a rag over the printhead and sling it downward a
few times (as if throwing, but don't let go), such that centrifugal
force pushes some ink out. If that doesn't work, try blowing on
the upper vent.
On a few rare occasions I've encountered bad connections
at the fixed end of the printhead cable, fixed by reseating the
connectors. Also, if the cartridge has leaked, there may be ink
on the gold pads in the moving end of the printhead connector, causing
bad contact. Clean as above.
Some of the later models, including the type which
takes two cartridges (3-color and black), have screws at the end
of the carriage rod which allow adjusting the clearance between
printhead and paper. Those may need adjusting if the ink is smearing.
If too light, it's probably a printhead problem.
(From: Richard M. (Digitech@bogus.net).)
It is a water based ink. There is no need for
any solvent other than water. Warm water works well. Use it all
the time on my 1200C and DJ750C... BTW, I never have to touch my
Epson. Use lint free cloths to tamp dry. NEVER wipe.
(From: R. Wagner (rwagner@ncn.net).)
I found the cable from the computer to the print
head had some open places close to the head. The want 35 dollars
for a new one. I went to the auto parts store and got some a rear
window defroster repare kit. I got it working but for how long I
dont know.
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