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Thread: [Brother GT-782] Extremely clogged nozzles on W4
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Old August 30th, 2011 -   #4 (permalink)
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Default Re: Extremely clogged nozzles on W4

I gave Brother a call the other day and they gave me this solution to try...

Here is what I wound up doing: while I was shutting everything down at the end of the day, I retrieved the ink out of the W4 line by disconnecting the ink supply tube from the print head. (pretty cool trick)

After the ink was mostly retrieved into the cartridge i reconnected the ink tube, replaced the W4 cartridge with the maintenance cartridge and did a 'load white' to load the maintenance fluid. I then ran 2 'Tube Cleanings' to scrub out the lines and then an 'Initial Cleaning' to fully load the line and print head with maint. fluid.

I let it sit overnight with the maint fluid loaded. Loaded white ink back into W4 the next morning and after a few powerful head cleanings, all but 2 nozzles were firing correctly, a good improvement. Those nozzles have been improving through regular daily use and maintenance, one is working fine this morning and the other still fires a little funny but is improving slowly. If it doesn't fix itself in the next few days, I may try repeating this trick over the weekend.

Brother also recommended swapping my W2 and W4 heads. Apparently W4 is the least used printhead and therefore more prone to drying up. I have not done this but may down the line.

Thank you for your feedback and advice. You guys were helpful as always!

The Following 3 Users Say Thank You to VP Print For This Useful Post:
DAGuide (August 30th, 2011), loloxa (August 30th, 2011), stix (August 30th, 2011)