Print Head Doctor is the set of hardware and chemicals capable of recovering clogged nozzles of solvent-based, UV and water-based print heads. The system utilizes the action of pre-heated chemicals pumped through a print head, combined with ultrasonic vibrations and bursts of a pressurized air through the nozzles.

• 90% recovery rate.
• Cleans even severely clogged heads.
• Automatic cleaning cycles.
• Reverse flushing and Thru-head flushing capabilities with pressure and vacuum.
• Automatically switches the fluid flow direction for Forward, Reverse and Thru-head flushing.
• Compact and rugged design.
• Ease of use: instructions are available on video.
• Money-back guarantee.
• 1-year warranty on the machine.

  Print Head Doctor Product Information

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.

Print Head Doctor 4L:

• The fluid tank has double capacity (1.3L).
• Can fit two adapters at the same time.
• Capable of recovering Epson GS6000 print head assembly (dual Epson DX6 heads).
• All functions are the same as of Print Head Doctor 4.

Print Head Doctor 4 technical specifications:

• Voltage 110V or 220V.
• Heated ultrasonic cleaner with electronic control. Sonic power: 50W, heater power: 50W.
• Tank size: 0.7L (model 4), or 1.3L (model 4L).
• Four fluid pumps providing a total flow rate of 800 ml / min.
• Max fluid pressure: 30 psi
• Max fluid vacuum: -25" Hg
• Built-in air compressor for purging fluids out of the machine.
• Two filters for fluids: pre-filter (first stage) and fine filter (second stage).
• First stage filter rating: 10 microns.
• Second stage filter raging: 3 microns absolute.
• Two gauges to monitor the input and the print head with scale range -30"Hg to 30 psi.
• Electronic control module that controls the fluid pump, the air compressor, the ultrasonic cleaner and fluid control valves.
• Adapters are available for many types of print heads.
• Weight 10kg.
• All recovery fluids are non-regulated for air transport.

Check out our Technical Support page for manuals and tutorial videos.

 Recovery Fluids can be found here

Video of Spectra S-class print head recovery with with PHD3

Video of Spectra Nova/Galaxy 256 print head recovery with PHD3

Video of Toshiba Tec print head recovery with PHD3

Video of Epson DX4 print head recovery with Reverse Flushing

Head: Konica-Minolta KM512
Printers: Seiko 64s, HP9000

Head: Epson DX5
Printers: Mimaki, Mutoh