UBI EasyCoder 501 – Service Manual16924. PRINT QUALITY ADJUSTMENTContinued!618 ohms / 8 dots24.1Test LabelsThe printout quality is best judged at standardized conditions, suchas the printing of the test labels provided by the UBI Fingerprintfirmware.Test labels can be printed in different modes and types of applica-tion programs:• Test Mode (different modes for EasyCoder 501 and EasyCoder501 E/SA).See chapter 25.• Setup Mode (EasyCoder 501 E & 501 SA only).See Technical Manual and diagram in Appendix 1.• UBI Shell (EasyCoder 501 & 501 E only).See UBI Shell Startup Manuals and diagram in Appendix 1.• EasyPak Start-Up (EasyPak 501 & 501 E only).See EasyPak – Getting Started manuals.There are four different test labels that show the printout quality. Inmost cases one or several additional test labels, that show theprinter's current setup, are also produced.Before starting to print the test labels, check that the printer is set upfor the thermal paper or transfer ribbon in use and that the printcontrast is set to a medium value.Test Label 1Test Label 1 contains a crisscross pattern that reveals possiblemissing or short-circuited dots. It also contains information on theresistance and density of the thermal printhead, as measured by thefirmware at startup.
