Epson AcuLaser C2900N - Cleaning the Color Toner Density (CTD) Sensor

12. Insert the standard 250-sheet tray into the printer, and push until it stops.
Important:
Do not use excessive force on the tray. Doing so could damage the tray or the inside of the printer.
Cleaning the Color Toner Density (CTD) Sensor
Clean the Color Toner Density (CTD) sensor only when an alert for the CTD sensor is shown on the
Printer Status window or operator panel.
1. Turn off the printer and disconnect the power cord.
2. Pull the standard 250-sheet tray out of the printer about 200 mm. Hold the standard 250-sheet tray
with both hands, and remove it from the printer.
Epson AcuLaser C2900 Series User’s Guide
Maintenance 203