Chapter4 Cleaning the Printer Print Head Cleaning If the nozzles are clogged, faint colors, banding, or unintended colors appear on printouts. When such print quality problems occur, print nozzle check patterns to check for clogged nozzles. When the printed patterns indicate that the nozzles are clogged, run a head cleaning. Example of the nozzle check patterns with gloss black ink Printing Nozzle Check Patterns If the nozzles are clogged, faint colors, banding, or unintended colors appear on printouts. When such print quality problems occur, print nozzle check patterns to check for clogged nozzles.
The nozzle check pattern is printed to fit the paper width set on the printer's operation panel. However, if the printer detects that the actual paper width is narrower than the set paper width, the nozzle check pattern is printed to fit the actual paper width. Media Forms that Can be Used for Nozzle Check Pattern Printing • Continuous paper • Full-page label • Die-cut label with a length of approximately 112 mm {4.41 in.} or more* 1 • Tag* 2 *1: If the die-cut label is less than approximately 112 mm {4.41 in.} long, some portions of the nozzle check pattern will be printed onto the backing paper. *2:
Since the pattern cannot be printed avoiding the holes in the tag, part of the pattern may be printed on the platen through the holes. 309 Normal Clogging Y M C BK Y M C BK