HP Scitex FB950 Printer series - Manual (Page 85)

Clean the home sensor (monthly)
The home sensor is located on the user-end of the carriage between the lamp assembly and the carriage
side plate (on the input-side of the carriage). Ink dust and debris can accumulate in the thin slits of the
optical sensor and cause errors.
1. Open the output-side door.
Opening the output-side door will disable the carriage servo, allowing the carriage to be moved
manually.
2. Pull the carriage out from the end of the rail to access the home sensor more easily.
3. Locate the home sensor (A in photo below).
4. Locate the upper and lower slits of the optical sensor.
ENWW Clean the home sensor (monthly) 79