Color print is light.
Incorrect paper settingCheck diagnostics setting.
Variations in paper.Increase energy level of print head in "Color DensityAdj" of the printer configuration menu. See "Configuring the printer"
Colored stripe on receipt.
Paper is low.Change the paper.
Inconsistent printing, no two-color print.
Paper type used and paper type setting do not match.Print diagnostic form and verify paper type setting to type 0, 1, 4, or 5. Refer to User Guide - Configuring the Printer
Downloads for A799
Logo printing incorrectly.
How much memory is allocated for logos?Allocate more memory to Logos/FontsUse Printer Configuration Utiltiy
Downloads for A799 The logo is too bigReduce size
Print is light or spotty.
Print head is defective.Contact a service representative.
Thermal print head is dirty.Use recommended thermal receipt paper. Clean the thermal print head with an alcohol pen prior to going back to an approved paper. Do not spray the thermal print head with household cleaner as this may damage it and the electronics. The thermal print head
Printer starts to print, but stops while the receipt is being printed
Paper is jammed.Open the receipt cover, inspect the knife, and clear any jammed paper.
Receipt does not come out all the way.
Paper is jammed.Open the receipt cover, inspect the knife, and clear any jammed paper.
Receipt print is symbolic
Characters on the left and part of the print on the far right of the paper in a 1" columnPrinter is in datascope mode
Check printer and application settings, this this is typically related to RS232 Communication settingsMatch printer settings to user OS or application
Parallel unitBad parallel port on PCUse Printer Configuration Utility
Downloads for A799Bit stuck on Vertical column of print is missing, one side of receipt is missing, or top or bottom half of characters are missing.
Incorrect print head settingCheck diagnostics settingRefer to User Guide - Configuring the Printer
Downloads for A799
Print head is defective.Contact a service representative.