| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an image forming system configured to guarantee performance of a second cartridge when a false detection is caused by detection means, and an image forming apparatus.SOLUTION: When a first developing cartridge 11A and a third developing cartridge 11C, which are unlikely to cause a false detection of specifications, are mounted in an image forming system formed by selectively mounting multiple kinds of developing cartridges 11 on a device body 2, a developing bias lower than that to be obtained when a second developing cartridge 11B which is likely to cause a false detection of specifications is mounted, is applied to a developing roller 15. When the second developing cartridge 11B is falsely detected as the first or third developing cartridge 11A, 11C, toner consumption is reduced, to guarantee the maximum number of sheets with images formed thereon of the second developing cartridge 11B.</p> |
