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Ink streaks when using photoblack


brian1208 e2
11 10.6k 12 United Kingdom
20 May 2013 7:44PM
Can anyone help with this please,

recently my R3000 has started randomly producing streaks of wet ink when I print using the photo black cartdridge (whether it be B&W or a Colour print). It doesn't occur if I use the matt black cartridge and can, for a while, appear to be cured if I carry out a head cleaning cycle.

Its a real nuisance as it invariably occurs when I'm printing something both important and urgent and is costing me a fair bit in paper (and probably ink)

I can't find anything on the Epson "Help" sites and their "Chat" support is closed (I'll try to find time to chase them tomorrow)

Its around 2 years old now and has put out many hundreds of prints without a hitch until this problem started a few weeks back

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lawbert e2
7 1.8k 15 England
20 May 2013 8:00PM
Try running the clean print heads option Brian...assuming you havent already
brian1208 e2
11 10.6k 12 United Kingdom
20 May 2013 8:06PM
thanks Lawbert, as above, I tried that and it seems to effect a temporary cure, sometimes
pluffy e2
7 135 United Kingdom
20 May 2013 8:24PM
Could it be that the waste pads are full and causing the problem?

I understand that when you change between matt black and photo black the system is purged and about 3ml of ink is pumped into the pad

Steve
20 May 2013 8:24PM
it sounds like a build up of ink on the heads, try running a heavy stock paper or card through it, if still no joy you will need to park the heads on some paper towel or blotting paper. Also clean the ink pad heads of excess ink.
brian1208 e2
11 10.6k 12 United Kingdom
20 May 2013 8:50PM
thanks Gareth, the ink build up sounds possible as I have tried the heavy card trick with no success

How do I move the heads off the ink pads?
20 May 2013 8:54PM
this sounds bad but here goes. fold some paper towel and look at the left side of the printer carriage you will see a ink pad, put the towel their make sure it is just thick enough to let the heads sit on it. put the printer into ink changing mode and as the head reaches the far left pull the mains cable, and then slide the heads over the towels. Let it sit for a few hours. While your there dab the ink pad on the right with a towel and soak up all the ink on it. When done remove towels and switch the printer on all should be fine.

The above is how I deal with it when it happens, which isn't so often now.
thewilliam e2
6 4.9k
20 May 2013 8:59PM
We sometimes had a similar problem with the 7800 that we used to have. One short-term remedy is to widen the platen gap. The best way is to clean the surplus ink from the wiper cap using a moistened clean lint-free cloth.

The idiot who designed the 7800 put the paper cutter right next to the print-heads. Dust from paper cutting mixed with surplus ink and this is what smeared over the paper we were printing. We made a point of never letting the printer cut fine-art paper or canvas.

Make sure you cover the printer when it's not in use to reduce the amount of dust that gets in.
psiman e2
11 551 Wales
20 May 2013 9:34PM
Brian,

I as getting a similar problem with my R2880 when printing heavyweight fine art papers such as Permajet's Fibre Base Royal due to the tendency for the paper curl to cause head strikes. I've found I've been able to cure it by a combination of flattening the paper (pull it over the edge of a desk), widening the platen gap and using the rear single sheet feed.

Hope this helps.

Simon
brian1208 e2
11 10.6k 12 United Kingdom
20 May 2013 9:53PM
thanks guys, all useful input.

I've just had a play at the shift then switch off technique Gareth, just to look at the state of the parking head pads, which didn't seem to bad (very little ink picked up by my swab paper).

I did notice that there was some paper frass in a few places along the bed under the head transit region, so blew that clean (don't know where that came from as I've never had any paper strikes although I do use a lot of matt fine art papers )

Then I've just run a test print (on some of my cheaper proofing paper) and what do you know - a clean print! (probably purely fortuitous so I will have a longer look tomorrow)

Its the fist time I've had a good look inside this beast (using a high power LED light block), all sorts of odds and ends I don't recognise. I was much more comfortable with working inside my old HP9180 which seemed more basic somehow Grin
20 May 2013 10:10PM
Well glad your sorted.
brian1208 e2
11 10.6k 12 United Kingdom
20 May 2013 10:21PM
thanks, but I'm not convinced yet Gareth.

I bet the moment I stick some of my "Pukka Paper" in it will widdle ink all over it again (and sit there looking smug! Tongue )

I run some more prints tomorrow and report back
brian1208 e2
11 10.6k 12 United Kingdom
21 May 2013 8:33AM
I've just realised that there is something very odd about this as both the photo black and matt black cartidges use the same print head (still thinking in HP9180 terms which had separate heads) so why have I only ever seen the problem with the photo black - Hmmm?
Chris_H e2
11 1.5k 1
21 May 2013 10:21AM
Do you have Rip where you can limit the Photo Black ink use?

Have you just experienced this with the one Cartridge? If you haven't changed the Cartridge how long has it been in the Printer for?
brian1208 e2
11 10.6k 12 United Kingdom
21 May 2013 10:52AM
Thanks for your input Chris, I don't use a Rip and have changed the cartridge recently as I wondered if it may be associated with the other being nearly depleted.

Don't think its solved the problem but I will have another print run later today and see how its going

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