This checklist outlines essential daily and weekly tasks to keep your CM750 running smoothly and prevent costly faults.
Skip your maintenance? Prepare for breakdowns
CIJ printers operate under pressure with volatile fluids. Regular cleaning and system checks are non-negotiable. Here’s the no-fluff list of what actually matters.
Daily Maintenance (5–10 minutes)
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✅ Wipe nozzle and gutter with approved solvent
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✅ Check ink and solvent levels
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✅ Inspect head for dried ink or splatter
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✅ Confirm a stable stream on startup
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✅ Check fan filter (clear dust if needed)
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✅ Review screen for active warnings
Weekly Maintenance (15–20 minutes)
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✅ Clean all external vents and fans
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✅ Inspect cable and umbilical for wear
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✅ Run Umbilical Purge if idle >2 days
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✅ Verify grounding and electrical connections
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✅ Check service countdown timers in software
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✅ Test print at high speed (verify quality)
Maintenance mistakes to avoid
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Using cloths that leave fibres in the nozzle
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Overfilling fluid tanks (causes overflow faults)
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Running expired ink or solvent
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Ignoring error messages (“Warning” ≠ optional)