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...
Glass print bed approximately 9" x 10". Official Ultimaker spare part compatible with the following printers: Ultimaker 2+ Connect Ultimaker S3 Ultimaker 3 Ultimaker 3 Extended Ultimaker 2+ Ultimaker 2 Extended+ Ultimaker 2 Ultimaker 2 Extended Ultimaker Original+ Ultimaker Original with Official...