Chapter 7 Maintenance 4 In the TM-C3400-LT Utility, set [Media source] to [Fanfold media], and press [Save&exit]. For details on the TM-C3400-LT Utility, see "TM-C3400LT Utility" on page 54 . 5 In the printer driver, change [Media Source] and [Media Position Detec- tion]. For details on [Media Position Detection], see "Setting the Media Position Detection" on page 152 . 6 Open the fanfold paper cover and take out the paper feed guide. 7 Pull the release lever to open the roll paper cover. 7 141