proof clean Type "proof clean vr" to automatically clean the vacuum roller, or type "proof clean drum" to clean the drum. Both commands will move the contact cleaning roller against the specified surface, and the tape roller if it's enabled, then rotate that surface to clean off dust or dirt. Trendsetter_400/800_Proofing proof clean (drum|vr) ..\..\ShowAllErrors.htmFirmware 0 Error Index ..\..\ShowAllCommands.htmFirmware 0 Command Index ..\..\ShowAllNVS.htmFirmware 0 NVS Index Updated: Wed Jul 16 19:39:14 2008 PST