Introduction & Contents9 ETroubleshooting ................................................................................................. 86When an error occurs .......................................................................................................... 86When the register does not operate at all ........................................................................... 88Clearing a machine lock up ................................................................................................. 88In case of power failure ....................................................................................................... 89When the L sign appears on the display ............................................................................. 89User Maintenance and Options ........................................................................ 90To replace journal paper ...................................................................................................... 90To replace receipt paper ...................................................................................................... 91Options ................................................................................................................................ 91Specifications ..................................................................................................... 92Index .................................................................................................................... 93