Epson L-4533A/L-4533AW/L-4033A/L-4033AW Maintenance Guide Before Inspections List of Inspection Items The inspection points on this press are shown below. Select the mode from the touch panel's Periodic Maintenance screen. See the following for more details about each mode. U “Feeding Unit” on page 13 U “Heater / Rewinder” on page 14 U “Heater Substrate Guide” on page 15 U “Platen Unit / Ink system / Foreign Substance Sensor” on page 16 U “Filter / Maintenance Tank” on page 18 12