Patent ID: 8135318
Filing Date: 2012-03-13
Classification: G03G

Abstract:
1. An image forming apparatus comprising: an image transfer section configured to transfer a reversed image based on a read original image onto an image carrier as a toner image; a secondary transfer roller configured to come into contact with the image carrier and transfer the toner image onto a recording medium; a contact separation section configured to contact or separate the secondary transfer roller to or from the image carrier; a secondary transfer roller housing section configured to house the secondary transfer roller; a cleaning blade configured to clean the secondary transfer roller by scraping off toner remaining thereon; a blade supporting plate configured to support the cleaning blade and press the cleaning blade against the secondary transfer roller; a rotation shaft formed on a rear side of the blade supporting plate, and configured to rotatably support the blade supporting plate on the secondary transfer roller housing section; a spring washer into which the rotation shaft is inserted, the spring washer configured to press the blade supporting plate; a lubricant coating brush configured to come into contact with the secondary transfer roller at a position after the cleaning blade and before the image carrier, relative to a rotating direction of the secondary transfer roller, and to coat lubricant on the secondary transfer roller; a lubricant coating brush housing section configured to house the lubricant coating brush and be movable along a groove formed on the secondary transfer roller housing section; a solid lubricant configured to be housed in the lubricant coating brush housing section and supply lubricant to the lubricant coating brush; a lubricant holding member configured to elastically hold the solid lubricant; and an elevating member formed on a member not interlocking with the secondary transfer roller housing section and configured to elevate the lubricant coating brush housing section.