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If you are struggling with tough misfiring, check the following cause(s):
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  Your room is really dry, the humidity is less than 30%.
 You left your printer more than 10 days.
 You print some color(s) which you did not use after several prints,
 e.g. print black letters after 4 dozens of red and blue artwork.
 You did not do regular cleaning every time you open the new yellow
ink cartridge.
If your answer is
, go to Keep it! page and clean. We are afraid that your print head might be spoiled with your dirty wiper blade and caps.
Select [ Menu ] [ Maintenance ] and [ Cap/Wiper Clean] then turn off the printer. Open the Front Cover and see around the heads: nozzles might be spoiled with ink supplied by the print head cap.
See the photo below. The right-edge nozzles cannot jet ink properly because they are flooded with ink. Maybe your wiper blade spoils your nozzles too.
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 Maybe your wiper blade starts to come off and cannot wipe off the ink. Get a new wiper replacing kit (SA4463001) and replace to a new one. Refer to the Instruction Manual for further information.
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If your answer is either
or
, or whatever, refer to Chapter 7 of Instruction manual (PDF both in your PC (go to Brother GT-782 Tools) and Install CD, or you can download from this site). Refer also to 7-2. Solving Print Quality Problems in Instruction Manual and
follow the procedures. But you will reach 7-2-6. Cleaning the Print Head Nozzles soon.
Read the procedures, go to the printer and select [ menu ], [ maintenance ] and [ Nozzle Cleaning ]. The Print Head Caps move down and wiper moves back and it is time to clean the nozzles. Turn off the printer as Control Panel says and open the front cover and
pull off the Wiper Cleaner Cassette.
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