Cyklop Needham Knowledge Hub

Back to home

Cyklop Needham Knowledge Hub

CIJ Printer Maintenance & Troubleshooting

CIJ Printer Maintenance & Troubleshooting

Guides for fixing CIJ printer issues, running maintenance, changing fluids, and preventing faults on CM750 and compatible models.

Why is my CM750 gutter sensor not responding?

Ink & Fluid Management

How do I change ink types in my CM750 printer?

How do I run an Umbilical Purge on my CM750 printer?

How do I prepare my CIJ printer for shutdowns or holidays?

What is the Viscosity Monitoring System (VMS) on the CM750?

Why does my CM750 show ‘Makeup Overuse’ or ‘Ink Overuse’?

Which CIJ fluid do I need for my substrate?

What’s the shelf life of Needham CIJ fluids?

Can I use acetone-based inks in the CM750?

What happens if I mix two CIJ ink types?

What does contaminated ink look like?

How to tell if your CIJ ink has expired

What causes ink to foam in the return line?

How to flush CIJ ink before switching types

Why is my ink turning thick or gelatinous?

What’s the difference between fast-dry and high-adhesion ink?

How to store CIJ ink in high-temperature environments

See more

Printer Faults & Error Codes

What do the warning and fault icons on my CM750 mean?

What causes a gutter fault on my CM750—and how do I fix it?

What causes a charge fault or EHT error on my CM750 printer?

Why is my CM750 not detecting ink stream breakoff?

What causes ink to leak from my CIJ printhead?

Why won’t my CM750 start ink flow?

Why does my CM750 show pressure too high or too low?

Why does my CM750 keep stopping mid-print?

What does 'ink system error' mean on my CM750?

Why does my CIJ printer print faint or missing characters?

Why does the CM750 say ‘Solvent Low’ even after refilling?

Why does my CM750 show a 'no charge' fault?

Why is my CIJ print stream unstable or drifting?

Why does my CM750 take too long to start up?

Why is ink bubbling in the return line of my CIJ printer?

How do I fix 'Head Not Ready' on the CM750?

Why is there ink mist or overspray around the printhead?

Why is the CM750 showing a deflection fault?

See more

Routine Maintenance & Servicing

How often should I change filters in my CM750 printer?

What daily and weekly maintenance does my CIJ printer need?

Printer Setup & Operation

What’s the difference between Gate, Trigger, and Ignore modes in CIJ printers?

How do I set up and calibrate an encoder on my CM750 printer?

What’s the difference between Normal, High-Quality, and High-Speed print modes on my CM750?

Why is the print position drifting during production?

Why does my CM750 keep triggering print twice?

What causes CIJ printer messages to print out of alignment?

See more

Sensor Checks and Calibration

How do I test the photocell on a CM750 printer?

Diagnostics & Internal Testing

What do the CM750 diagnostic tools actually show?

How to test valve solenoids on the CM750

Print Quality and Performance

How to improve ink adhesion on tough surfaces

Why does ink dry too fast or too slow on my product?

Storing CIJ ink in hot environments? Here’s how to prevent fluid degradation and clogging in high-temperature sites.