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  • Roland Soljet printing problem.

    Posted by Jonathan Wallace on 9 February 2010 at 13:40

    I finished a print job on Friday, print looked good. I then set up for one on Monday to discover that no red color was present. I conducted a test print to discover that the group A (heads Cyan and Magenta) were showing only a couple of lines. I have conducted several head cleans at Powerful and Medium I have also conducted a manual clean. I now have a greater amount of lines showing in Group A but no where near what it should be. There is also drop out present in B(Black and Yellow) and C(Light Cyan Light Magenta) but not to the extreme of A.

    Any suggestions please as have 3 big jobs waiting to go out.

    Jonathan Wallace replied 15 years, 8 months ago 2 Members · 4 Replies
  • 4 Replies
  • Lyle Knittig

    Member
    9 February 2010 at 18:36

    Things to check would be:

    Make sure the capping station is sealing proper. Use a syringe to draw ink right from the capping station and if you hear air you don’t have a good seal.

    Make sure drain lines are not plugged. If they are the pump might not be able to draw ink into the heads.

    Start there and see if you find anything.

  • Jonathan Wallace

    Member
    10 February 2010 at 08:47

    Sorry of this is an obvious question but if the drain lines are plugged. How do I go about clearing them?

  • Lyle Knittig

    Member
    10 February 2010 at 18:16

    I have an older CJ 500 converted to solvent so my pump set up might be slightly different.

    Find the lines that run from the capping station to the pump. Remove the lines (should be white tubes) from the capping station. Then get a syringe that will fit inside the white tubing. Using some cleaning fluid, force the fluid through the line ( one at a time) and watch the drain lines in the drain bottle. Watch out as you pressure up the line as it might squirt some fluid back at you around the connection of the syringe and tube. Hold some paper towel around in case. You might feel some resistance as you push the fluid through but you should see it come through the drain lines. When it it blocked it might take a bit of time for the cleaning fluid to break down the chunks in the lines. On my CJ 500, it does not wake up to do a cleaning so I often need to clear the drain lines. It’s just part of my cleaning procedure.

    Also on my capping station I have a set of clear lines that should not have any ink in them and the odd time they do get back flow in them and then plug. These clear lines need to be clean in order to recharge the heads with ink as it prints. If you ever get drop out after printing a large print after a foot or two into the print ( ink starvation ) these clear lines are one possible cause if they get blocked.

    Also again make sure you have a good seal on the capping station and no chunks around the rubber edge that might stop the heads from sealing. By using the syringe and a small piece of the tubing attach to the capping station and while the heads are parked, draw ink through the heads and capping station into the syringe. If you hear air leak or see a lot of bubbles in the syringe with the ink you have an air leak some place.

    How are the ink cartridges for ink level. I have also heard that when carts are low they can cause a back flow and suck the ink back into the cart enough to dis charge the heads. With the syringe you can get ink back into them quicker and do the above method.

  • Jonathan Wallace

    Member
    10 February 2010 at 19:13

    Cheers Lyle,
    I conducted a head clean on the cyan and magenta. Not a thing came out. I decided to take the docking heads out and detach the tube that runs to them. After cleaning the magenta a big blob of ink came out. Now done a test print magenta is back on line.

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