Gaobao classroom what print is not clear? Simple operation to solve the problem!
When printing after adding powder, the handwriting is not clear or there are vertical stripes.
How should we solve it? (Note: Brother TN2325/TN2225/Lenovo LT2451/Xerox P228 series cartridge applicable)
1. Fold a small piece of A4 paper in half and fold it neatly
2. Insert the paper sheet between the powder box and the developing roller (insert the paper sheet about 1.5cm)
3, drag back and forth several times to clean up the knife edge
4. After cleaning, install the toner cartridge on the printer again
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