TOP > Adjusting the Product > Flow of Printing Operations > Operations in Linerless Mode (CL4NX Plus Only) > Linerless Mode, Backfeed Before Printing, and with Pulse Input (Head Check Enabled) (CL4NX Plus Only) Linerless Mode, Backfeed Before Printing, and with Pulse Input (Head Check Enabled) (CL4NX Plus Only) Operation • The figure above shows the reference position when the I-mark sensor is used. Timing Chart *1 Keep the PRIN (print start) signal to "Low" until the PREND (print end) signal is outputted. Back to top