| 摘要 |
There is described an image forming apparatus, which makes it possible to implement a high-speed printing operation based on print data attached with a digital signature. The apparatus comprises: a storage section to store print data; a, digital signature analyzing section to analyze a digital signature; a language analyzing section to analyze the print data; an image processing section to create bitmap data; a printing section to implement a printing operation; and a control section that selectively conducts either a first controlling operation or a second controlling operation. In the first controlling operation, the digital signature analyzing section and the language analyzing section respectively conduct the digital signature analyzing operation and the language analyzing operation in parallel, while, in the second controlling operation, the digital signature analyzing section conducts the digital signature analyzing operation at first, and the language analyzing section conduct the language analyzing operation after the digital signature analyzing operation is completed.
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