Printer Models & Parts
Roland XF-640 Heaters: What Each of the Three Zones Does
Oct 28, 2026 · 7 min readThree heater zones on a Roland XF-640 do three different jobs, and the setpoint ranges are narrow on purpose. Here is what the preheater, the print heater and t
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Troubleshooting & Repair
Ink Pooling Under the Printhead: Which Part Is Actually Leaking?
Oct 27, 2026 · 7 min readInk on the printhead nose is usually not a dead printhead. Clean the nozzle plate, park the carriage, and then read when the drip comes back: while idle, mid pr
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Printer Models & Parts
How to Build a Mutoh VJ-1624 Spare Parts Kit
Oct 25, 2026 · 11 min readBuy for the failure your VJ-1624 actually has, not for a catalog page. The head is shared across three models, the dampers cross even wider, and a hardened cap
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Compatibility & Identification
Which Parts Fit a Mimaki JV300 or a Roland XR-640? How to Build Your Own Cross Reference Instead of Borrowing One
Oct 22, 2026 · 9 min readSearching by printer model is the slowest way to buy a part. This guide shows how to read a machine plate, decode what the old part actually says, ask a supplie
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