ProJet® x60 Series User Guide Troubleshooting the ProJet x60 Printers3dscentral.3dsystems.com 53 All Rights Reserved5/12/137.4.1 Troubleshoot Fast AxisIf your printer is reporting Fast Axis errors, follow the flowchart below.How to do itTo perform the cleaning and lubrication called for in the flowchart, see:• Section 3.3, ’Clean The Fast Axis Rails and Carriage’• Section 6.2, ’Fast Axis Bearing Lubrication’