| 摘要 |
This invention discloses an image forming apparatus having an image reading function that can correct the density even when an image is formed based on data acquired from an apparatus other than an image reading apparatus, and a control method therefor. A printer controller ( 2103 ) includes a PG unit ( 3112 ) for generating a pattern having a predetermined density. The pattern is transmitted to an engine controller ( 2002 ) via an output I/F to obtain a print result. Correction data representing the difference between a result obtained by reading the print result and a predetermined characteristic is received from a reader controller via a serial communication controller ( 3111 ). The correction data is stored in a data correction unit ( 3108 ) and used for printing data subsequently received via an input I/F.
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