Werk #4873: printer_supply: Fixed IndexError in case of missing colour information

ComponentChecks & Agents
Titleprinter_supply: Fixed IndexError in case of missing colour information
Date2017-06-26 11:55:54
Check_MK EditionCheck_MK Raw Edition (CRE)
Check_MK Version1.4.0p8,1.5.0i1,1.2.8p24
LevelTrivial Change
ClassBug Fix
CompatibilityCompatible - no manual interaction needed

Some devices such as HP Laser Jet 1200 do not provide colour information which caused above error during discovery.