IMAGE FORMING APPARATUS

摘要

An image forming apparatus includes: a sheet feeding section configured to feed a roll sheet; a sheet feeding path along which a roll sheet is conveyed; an image forming section configured to transfer a toner image to a roll sheet; a fixing section configured to fix the toner image by applying heat and pressure to a roll sheet on which the toner image is transferred at a fixing nip; a winding section configured to wind up a roll sheet; a guide member disposed along the sheet feeding path on both sides in a sheet width direction and on a downstream side of the fixing nip in a sheet conveyance direction; and a guide adjusting section configured to adjust a guide width of the guide member in accordance with an amount of shrinkage or an amount of expansion of a roll sheet passed through the fixing nip.

主权项

1. An image forming apparatus comprising:
a sheet feeding section configured to feed a roll sheet; a sheet feeding path along which a roll sheet fed from the sheet feeding section is conveyed; an image forming section configured to transfer a toner image to a roll sheet conveyed along the sheet feeding path; a fixing section configured to fix the toner image by applying heat and pressure to a roll sheet on which the toner image is transferred at a fixing nip; a winding section configured to wind up a roll sheet on which the toner image is fixed; a guide member disposed along the sheet feeding path on both sides in a sheet width direction and on a downstream side of the fixing nip in a sheet conveyance direction; and a guide adjusting section configured to set a guide width of the guide member to a value on a basis of a width of a roll sheet in an initial state and then keep a relationship between the guide width and the width of the roll sheet by adjusting the guide width in accordance with an amount of shrinkage or an amount of expansion of the roll sheet passed through the fixing nip.