6 Maintenance ..................................................................................... 159
6.2.1 Cleaning Intervals .................................................................................................. 160
7 Troubleshooting................................................................................ 167
7.3 Troubleshooting.............................................................................................. 180
7.3.4 Bad Print Quality.................................................................................................... 182
7.4.1 USB Interface ........................................................................................................ 184
7.4.3 RS-232C Interface................................................................................................. 184
7.4.4 IEEE1284 Interface ............................................................................................... 185
Table of Contents
SG112-ex Operator Manual
3