Light machine oil like sewing machine oil should be applied regularly to all of the smooth axis rods on your printer to keep everything in smooth operation.
Ultimaker AA Print Core (0.4mm) (UM3/S5/S3/S7/Factor4)
$169.00
A genuine 'AA' style Ultimaker 3 print core with a 0.4mm nozzle. Can be used for printing with a range of materials including Tough PLA, Nylon, PLA, CPE, CPE+, ABS, PETG, PP, and TPU 95A. Compatible with the following Ultimaker...
For Maintaining Your Nozzles Using the Ultimaker cleaning filament is the most effective way to unclog and keep print cores and nozzles in optimal condition. Using UltiMaker cleaning filament is the most effective way to unclog and keep print cores...
A genuine 'BB' style Ultimaker Print Core with a 0.4mm nozzle, for printing PVA support material.
Compatible with the following Ultimaker printers:
Ultimaker 3
Ultimaker 3 Extended
Ultimaker S3
Ultimaker S5
Ultimaker S7
UltiMaker Factor 4