Advantages of Print Head Doctor 4:

• It automatically switches the fluid flow between three types of flushing, so all the work on a print head can be done in one set-up.
• Two gauges for monitoring pressure and vacuum in the input port and the print head.
• Four pumps provide sufficient flow even for print heads with a great number of nozzles.
• Fine-tuned recovery cycles accommodate various degrees of clogging, types of print heads and inks.
• The first-stage filter is easier to change and it's mounted more reliably in its own holder.
• Rugged housing with all components built-in
• A reliable electronic module with a digital indicator of the cycle number and remaining time in minutes
• Dual output ports: simplify connections and increase flow when it's needed
• All solvent-proof materials.