This printer features walk-up USB printing, for quickly printing files without sending them from a computer. The printer accepts standard USB flash drives in the USB port that is located on the front of the printer. It supports the following types of files:
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.pdf
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.jpg
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.prn and .PRN
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.pcl and .PCL
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.ps and .PS
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.doc and .docx
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.ppt and .pptx
The M426, M427, M452, M377, and M477 printer models support the following additional file types:
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.cht and .CHT
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.pxl