Epson Error 0335xx: Replace PIS Sensor  WorkForce WF Expression XP: XP-4105 & WF-2850
Channel: Kevin at BCH
Date: 2021-12-08

How to fix Epson Error 033501, 033502, 033503, 033504, 033505, 033506, and 033507.  This error is associated with a malfunctioning PIS Sensor.

Error References:

033501 "ILS light error" Unable to accurately detect where the fault detection plate is because too much-diffused light from outside is shed on the sensor. (When used outdoors or near the window where direct sunlight comes in)"

033503 "Reflector no reflection error" Defective Fault Detection Plate* (detachment, peeled reflector) Sensor failure (contaminated Sensor, damaged FFC, PIS Board ​installation failure)"

033504 ILS abnormal error. Defective Fault Detection Plate* (detachment, peeled reflector)
Sensor failure (contaminated Sensor, damaged FFC, PIS Board
installation failure)"

033505 "ILS Empt jig error" No occurs except in the manufacturing process

033506 "Light excessive error"  Abnormal sensor output (Sensor failure, PIS Board failure). An unexpected excessive amount of light such as too much-diffused light from outside is shed on the sensor because the housings are removed.
(When used outdoors or near the window where direct sunlight comes in)"

033507 "Insufficient light error" Sensor failure (PIS Board installation failure, contaminated Sensor)
 Abnormal sensor output (Break of FFC during printer operation, PIS Board failure) Unable to accurately detect where the fault detection plate is because too much-diffused light from outside is shed on the sensor. (When used outdoors or near the window where direct sunlight comes in)
 Ink Cartridge failure (contaminated/damaged prism)" epson error 033502 epson 033501 epson error 033504 epson pis sensor