desktop-packages team mailing list archive

[Phil Pemberton <1439895@xxxxxxxxxxxxxxxxxx>]

Okay, I've merged the aforementioned patch in with a local copy of the
driver. Setting the DPI to 275 is *not* the correct fix, as this throws
off the aspect ratio. Squares become rectangles.

A 10mm square becomes a 10x9mm square - an error of 10%. 275/0.9 = 305.
So 300DPI is probably about right, accounting for measurement error.

To reiterate: the printer's hardware resolution is 300x300dpi *square*.
The bug lies elsewhere.

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https://bugs.launchpad.net/bugs/1439895

Title:
  QL-500 prints past end of label

Status in ptouch-driver package in Ubuntu:
  Incomplete

Bug description:
  The QL-500 label printer prints past the end of the label in the
  vertical (direction of feed) direction. This means that when you print
  e.g. an address label and use the label cutter, several things happen:

  1) Because the printer has printed past the end of the label, the head is positioned part-way into the next label
  2) Because the head is positioned part-way into the next label, the optical alignment sensor cannot see the black alignment marks on the back of the labels. This causes the printer to flag an alignment error when you next try to print a label.

  The effect is you can only print one label at a time.

  There is a patch included which reduces the Y resolution of the QL-550
  printer to 275 dpi. It seems like it may be necessary to extend this
  to the QL-500 too.

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