Hotend, AMS and Annual Servicing for FDM Printers
Last updated: May 2026
Most 3D printer faults are predictable: a clogged hotend after a few kilos of filament, a worn PTFE tube causing AMS feed errors, a build plate that has lost its grip after months of daily prints. We diagnose the actual fault rather than guessing, replace what needs replacing with the correct parts, then verify with real test prints before you collect. We work on Bambu Lab, Creality, Prusa, Anycubic and other consumer FDM printers from our Putney workshop and on-site across South West London.
Structured fault-finding instead of swapping random parts. We isolate the failure to the hotend, feed path, extruder, motion system or electronics before quoting.
Hotend assembly replacement, nozzle swaps including hardened steel for abrasive filaments, ceramic heater and thermistor faults. Cold-pull cleaning where appropriate.
PTFE tube replacement, AMS hub and buffer checks, broken-filament removal from the feed path. Bambu's official guidance is every 2 months for AMS PTFE — we follow it.
Extruder gear cleaning and replacement, AMS first-stage feeder repair, hub sensor diagnosis, and the HMS_0700 error family decoded properly rather than guessed at.
PEI sheet replacement, build plate swaps, heated bed thermistor and heater repair. We test bed mesh and tramming after every plate change so first layers behave.
Preventative service: rod cleaning and lubrication, belt tension check, fan health, firmware update, lead-screw grease, filament path inspection, and a verification print before handover.
Simple steps to get your problem solved quickly and professionally.
Bring the printer in or book a collection. We run a structured fault-find and identify the actual failure rather than guessing.
You get a clear quote with parts, labour and expected turnaround before any work goes ahead. No surprises.
Authorised work proceeds with the correct parts. Where Bambu specifies a procedure, we follow it; aftermarket parts only when you've agreed.
Every repair finishes with a verification print that exercises the failed component. You collect a printer that actually works, not one that just powers on.
Trusted by customers across South West London. Read what they have to say about our 3D Printer Repair & Servicing in London service.
"Twice I have had terrible problems with my printer and computer system for my company computers. PC Macgicians quickly resolved the problems and at a fraction of the price compared to competitors in Wandsworth High Street. Reliable, honest team."
James W.
Wandsworth
"Really good experience, they knew exactly what they were doing and their recommendation was spot on. Good price too."
Pierre A.
South West London
"After being told by another repair shop in the area to just buy a new one, the service here was so wonderful. They fixed the problem, gave me lots of helpful tips, and were really reasonable on price."
Samantha J.
South West London
Starting from
From £TBC
Diagnostic fee from £TBC (deducted from repair cost if you proceed). Hotend replacement, PTFE replacement, AMS work and annual servicing are quoted per job after diagnosis. Call us on 020 7610 0500 for a quick estimate before you bring the printer in.
Genuine parts where specified | Verification print included | Plain-English explanation of what failed
Lenovo laptop in Putney SW15 with persistent pop-ups. We removed the underlying browser-policy hijack, restored the system to a clean security baseline, and documented the changes.
ThinkPad X1 Carbon in Putney SW15 inherited from a previous employer needed a complete wipe and clean Windows install. We did a secure wipe, fresh install, and removed all traces of the previous owner's account.
Decode the HMS_0700 family of Bambu AMS feed errors. Stage-by-stage diagnosis for first-stage feeder, buffer, and extruder grip failures with the right fix for each.
When to replace your Bambu Lab build plate, which plate type suits which filament, and the cost of getting it wrong. Covers Bambu A1, P1 and X1 series plates.
We provide 3D Printer Repair & Servicing in London across South West London
View all service areasBring it to our Putney workshop or book a collection from anywhere in South West London. Diagnostic and quote before any work starts.