What do the CM750 diagnostic tools actually show?

Available diagnostics

• Sensor Test – check photocell, encoder, and gutter signals

• Valve Test – open/close ink path valves to verify operation

• Pump Status – shows activation, speed, and fault detection

• High Voltage – monitor charge voltage and EHT health

• Stream View – confirms drop breakoff and stability

Where to access them

Navigate to:
System > Maintenance > Diagnostics

Why these tools matter

They help you:

• Diagnose faults without opening the machine

• Pre-empt issues with filters, valves, or pressure

• Provide support with exact fault codes or readings

Pro tip:

Log readings before and after running Clean Ink System to detect improvement.