Patent ID: 7227659

Claim:
A print controller for an image forming apparatus having a multi-purpose cassette capable of housing various types of paper and another paper supply cassette, and which performs image formation for the jobs received, comprising: a paper information determiner for determining whether a type of paper information pertaining to a first job matches any one of all types of paper information indicating all types of paper housed in said multi-purpose cassette and another paper supply cassette; and a paper supply controller for, when it is determined that the type of paper information pertaining to the first job does not match any one of all types of paper information indicating all types of paper housed in said multi-purpose cassette and another paper supply cassette, prohibiting use of the multi-purpose cassette with regard to a second job in a queue and permitting use of the other paper supply cassette until the type of paper information pertaining to the first job matches a type of paper information indicating a type of paper housed in the multi-purpose cassette.