Learn how to enter Service Mode (SP Mode) on the Ricoh MPC3503 copier quickly and safely. This step-by-step guide shows the exact key combination used by technicians.

The procedure is simple:
Press CA → 1 → 4 → 3 → Tap C → Hold C
This method works for accessing advanced settings, resetting errors, and performing maintenance on Ricoh MPC series printers.
Here is the video with step-by-step for this procedure:
Note: Service Mode is intended for technicians. Be careful when changing settings.

