Patent ID: 9567176
Date: 2017-02-14
CPC Classifications: B41J,B65H

Claim:
1. An image forming apparatus comprising: a conveyance unit to convey a recording medium from a roll in a forward direction for image formation on the recording medium; a first sensor unit to detect that the recording medium pulled out from the roll is not detached from a core portion and an amount of the recording medium remaining in the roll is below a threshold; a second sensor unit to detect whether the recording medium is present at a downstream location from the first sensor unit in the forward direction; and a control unit to, in response to an indication that the amount of the recording medium remaining on the roll is below the threshold and is not detached from the core portion: wherein when the recording medium pulled out from the roll is detached from the core portion, or when the amount of the recording medium remaining in the roll is not below the threshold, the first sensor unit is not in contact with the recording medium pulled out from the roll, and wherein when the recording medium pulled out from the roll is not detached from the core portion and the amount of the recording medium remaining in the roll is below the threshold, the first sensor unit is in contact with the rolled recording medium pulled out from the roll to detect the contact.