Quality, consistency and film selection in DTF printing

Niels Rask takes a deeper, more technical look at maintenance and film: the two critical factors in successful DTF printing.

Direct-to-film (DTF) printing has rapidly become an essential production method within garment decoration and textile customisation. The technology offers flexibility, strong colour performance, and compatibility with a wide range of fabrics. However, achieving consistently high quality in DTF production requires more than simply owning the right equipment. Two areas in particular have a decisive impact on print quality and operational stability: regular maintenance of the printing system and correct selection of DTF film.

This article takes a deeper technical look at these two critical factors and explains why they are often underestimated in daily production environments.

A large proportion of DTF print quality issues can be traced back to insufficient cleaning and maintenance routines. Problems such as colour banding, missing details, inconsistent ink laydown, or poor wash durability are very often indicators of mechanical or ink-flow related issues rather than software or RIP settings.

Daily maintenance should be considered a non-negotiable part of DTF production. Each production day should start with basic cleaning of the printheads and the capping station, followed by a nozzle test. This routine is essential to ensure that the printer performs as expected throughout the day.

Printhead cleaning must be carried out using appropriate cleaning fluids recommended by the equipment supplier, as incompatible liquids can damage seals or internal components. In most cases, cleaning should focus on the area around the printhead and its edges rather than direct contact with the nozzle plate itself. Direct cleaning on the nozzle surface should only be done when absolutely necessary and with extreme care.

The same principle applies to the capping station. Ink residue or debris around the sealing edge can prevent the printhead from sealing properly when idle. If the seal is compromised, ink at the nozzle plate can dry out, leading to clogged nozzles and unstable ink flow once printing resumes. Over time, this increases ink consumption, downtime, and the risk of permanent printhead damage.

Once daily cleaning is completed, a nozzle test print should be performed either directly from the printer’s control panel or via the print software. The purpose of this test is to confirm that all nozzles across all colours are firing correctly. Even a small number of missing nozzles can…