HP Scitex FB550 User Guide - Page 88

Clean the carriage home sensor,

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Clean the carriage home sensor CMYK - 80 Hours CMYKW - 40 Hours The home sensor is located at the user end of the carriage, between the lamp assembly and the carriage side plate (on the upper input side of the carriage). Ink dust and debris can accumulate in the thin slits of the optical sensor and cause errors. NOTE: Users of printers in California must disregard all references to the Printhead Flush or IPA in the instructions or when displayed on the control panel. Instead, the alternative cleaning liquid specified at the beginning of this section must be used. 1. Select from the control panel System > Tools > User Cleaning and Maintenance > Clean Carriage Home Sensor. 2. Press Proceed to continue. The printer raises the printhead carriage rail, lowers the output roller, and centers the carriage. 3. Remove the output table and open the output-side door. Opening the output-side door disables the carriage servo, allowing the carriage to be moved manually. 4. Locate the home sensor (A in photo below). Figure 10-7 Carriage home sensor location 5. Locate the front and back slots of the optical sensor. Figure 10-8 Detail view of carriage home sensor ENWW Clean the carriage home sensor 81

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Clean the carriage home sensor
CMYK
—
80 Hours
CMYKW
—
40 Hours
The home sensor is located at the user end of the carriage, between the lamp assembly and the carriage side
plate (on the upper input side of the carriage). Ink dust and debris can accumulate in the thin slits of the
optical sensor and cause errors.
NOTE:
Users of printers in California must disregard all references to the Printhead Flush or IPA in the
instructions or when displayed on the control panel. Instead, the alternative cleaning liquid specified at the
beginning of this section must be used.
1.
Select from the control panel
System
>
Tools
>
User Cleaning and Maintenance
>
Clean Carriage Home
Sensor
.
2.
Press
Proceed
to continue.
The printer raises the printhead carriage rail, lowers the output roller, and centers the carriage.
3.
Remove the output table and open the output-side door.
Opening the output-side door disables the carriage servo, allowing the carriage to be moved manually.
4.
Locate the home sensor (A in photo below).
Figure 10-7
Carriage home sensor location
5.
Locate the front and back slots of the optical sensor.
Figure 10-8
Detail view of carriage home sensor
ENWW
Clean the carriage home sensor
81