Patent ID: 8303198

Claim:
A label paper indexing control method for a label printer, comprising steps of: conveying label paper having labels affixed with a specific gap there between to a continuous liner through a paper transportation path passed a printing position of a print head; detecting a reference position of the label paper at a detection position upstream from the print head; determining the position of a downstream label end of a label on the paper transportation path as a first distance from the detection position based on when the reference position is detected; updating the first distance each time the label paper is conveyed; executing a power shutdown operation that writes the first distance to nonvolatile memory and turns the power off when a power off command instructing turning the power off is asserted; reading the first distance from the nonvolatile memory when the power turns on; and indexing a target printing start position that is predetermined for the label to the printing position based on the first distance.