Convex probe C1-5-D (2015.02) 4D probe RAB2-5-D (2014.11) Monochrome printer UP-D897 Color printer UP-D23MD Operation confirmed Confirmation mode (B/M/Color/Power/PW/3D/4D) * There is a possibility of oil leakage inside the 4D probe / Poor response. * Color printer paper feed failure. * Exterior: Discolored and scratched * Monitor frame: Scratched * Keyboard space bar: Colored * Convex probe: Discoloration on the handle, cable break prevention and coating * 4D probe: Surface dirt, fine scratches * Handle, Cable anti-break, Coated surface: Discoloration