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You paid good money for your equipment, please don't trust repairs to just anybody. We have seen printers ruined because someone used your machine to learn on.
Many internet resellers rely on the manufacturer's depot service plan. It sounds good in theory, but real life is different. Depot service means you have to pack the machine up and return it to the manufacturer, expensive and often involving lengthy downtime. If the problem is due to operator error, or with software, the problem will still be there when you get the "repaired" machine back. On-site service from Davies will prevent this.