FAQ CAB printer A4+/A4+M
When and why should a pint head be cleaned?
Basically the print head should be cleaned with each change of consumables.
Don't use any sharp objects for cleaning. The print head can be cleaned with alcohol and for example a smooth cloth. Switch-off printer before cleaning.
Video tutorial printhead clean CAB A4+ series:
Why do horizontal white lined occur in print image?
Backfeed setup is set to smart.
Please check printer settings on back feed in the setup portion of the menu. This often occurs when the backfeed is set to "smart". If necessary change this setting to "always"