Printer manufacturers have invested long hours of R&D and many thousands of dollars perfecting their dye-sub printers and inks. By following their service procedures — and your local reseller's advice — you can save yourself a lot of maintenance headaches, learn to properly care for your investment, and keep it running for years. Let's look at warranty service and the key preventative maintenance areas.

Printer Warranty Service

When you purchase your printer, it comes with the manufacturer's one-year service warranty to cover any component that fails. On wide-format printers this is usually an on-site service warranty, covering parts that break due to normal operation or failure. These warranties can typically be extended for another couple of years for peace of mind.

That's pretty nice insurance, because a printhead replacement can run $1,500 to $2,500 — and once you add other components, labor, and on-site break-fix, the costs mount quickly. Here's the key point: if you're properly maintaining your printer, you can prevent many of these expensive component failures down the road, avoiding costly service calls, downtime, and waste.

So what are the most common critical components to check and clean during preventative maintenance on a wide-format dye-sub inkjet printer?

Capping Stations

Capping stations are where the expensive printhead rests when not in use. They provide a seal against the nozzles to prevent them from drying out. You can learn to view and inspect these for lint, ink, and paper debris, and clean them easily with a lint-free swab. Your installer can show you how.

Wiper Blades

Wiper blades are a simple piece of flexible plastic that gently "wipes" across the printhead to keep it clear of ink and debris during printing. Some printers also use a lint-free fiber wiper roll to keep the heads clean. Both components are easy to change and don't cost much. Remember: an ounce of prevention is worth a pound of cure.

Pumping / Flushing Stations

Pumping or flushing stations catch ink from head cleanings and exercise the printhead nozzles as they spit out a small amount of ink. They gently draw ink from the heads and nozzle lines to keep it flowing, and are often part of the "pump capping station" on most models — the wiper is usually part of this station too.

To put this in perspective: if you clean and inspect this area often, it will usually warn you of problems before printhead failure. A nozzle check typically points this out. On older printers, this station should be replaced on a routine basis by a qualified technician to keep the printer performing at its best — and doing so in time can save an expensive head replacement.

Ink Delivery and Dye-Sub Ink Dynamics

Understanding how printers are made, how to maintain your own, and a bit about the dynamics of dye-sublimation ink will all help you keep your investment in good operation. So let's review why dye-sub ink dynamics matter as ink moves through your printer's delivery system.

Wide-format ink delivery comes from sealed bags, tanks, or closed cartridge systems. Each manufacturer designs these for optimum performance — so if you're experiencing issues, this is a good place to start looking. Dye-sub printers must send this special ink through the system to reach the printhead damper screens and ultimately the printhead itself.

Dye-sub inks are a special type of aqueous pigment ink held in suspension with some fairly complex chemical agents. Always follow the manufacturer's directions for care, handling, dating, and ink quality. Using cheap or outdated third-party ink is a false economy — it can ruin your printer's ink delivery system, and the repair will cost far more than you saved. You often get what you pay for; don't take shortcuts on quality or maintenance when it comes to protecting your printer investment.

The bottom line: by keeping your dye-sub printer properly maintained and learning how to protect that investment, you can gain many years of good use, produce high-quality output, and dramatically reduce your exposure to costly repairs.

Need a Hand?

If you'd like help building a maintenance routine for your wide-format equipment — or with anything color or workflow related — reach out.
info@aldertech.com