iSys V12 Thermal Printer - Manual (Page 72)

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Plot has vertical white stripes
Figure 8-3. Plot with vertical white stripes
Possible causes: The printhead is dirty.
Printhead nibs are damaged.
Solutions:
1. Clean the printhead using a lint free cloth and 99% isopropyl alcohol, as described in Chapter
6, Maintenance and Repair.
2. The thermal printhead has one or more damaged nibs requiring replacement. Replace the
printhead as described in Chapter 6, Maintenance and Repair.