A printing apparatus is supplied, which receives print job; generates print data from the print job; prints the print data; and has an error eliminating method for easily eliminating error when error occurred.In the printing apparatus, a non-support function detecting section detects instruction for requesting to use non-support function which does not exist in the printing apparatus; a calculating section calculates a time number of detection regarding the instruction detected by the non-support function detecting section; and a print allowance/disallowance judging section judges whether a print of the print data is allowance or is disallowance on the basis of a calculation result of the time number calculated by the calculating section.