HP Scitex FB550 Scitex FB550 and FB750 Printers- Cleaning Instructions - Page 11

Clean the carriage home sensor, Proceed, Ink> Purge, Ink> Check Jet Health

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5. For each color, press a clean portion of the cloth with two fingers, on one printhead, and draw the cloth across the printheads toward you (see the following figure). NOTE: To avoid pushing debris into the printhead orifice, make sure each wipe is done with a clean area of the cloth. The cloth should be saturated with head flush. Figure 6 Wiping printheads 6. Clean the bottom of the pen plate (see the previous picture) using a lint-free cloth saturated with head flush. 7. To reset the maintenance counter for this task and complete the procedure, press Proceed. 8. Select Ink> Purge from the control panel. 9. Select Ink> Check Jet Health from the control panel upon purge completion. 10. Examine the jet health pattern for missing jets. If a printhead has missing jet, repeat steps 1 through 9. Clean the carriage home sensor CMYK - 80 Hours CMYKW - 40 Hours 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. 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> 4) Clean Carriage Home Sensor. 2. Press Proceed to continue. The printer raises the printhead carriage rail, lowers the output roller and centers the carriage. ENWW Clean the carriage home sensor 9

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5.
For each color, press a clean portion of the cloth with two fingers, on one printhead, and draw the cloth
across the printheads toward you (see the following figure).
NOTE:
To avoid pushing debris into the printhead orifice, make sure each wipe is done with a clean
area of the cloth. The cloth should be saturated with head flush.
Figure 6
Wiping printheads
6.
Clean the bottom of the pen plate (see the previous picture) using a lint-free cloth saturated with head
flush.
7.
To reset the maintenance counter for this task and complete the procedure, press
Proceed
.
8.
Select
Ink> Purge
from the control panel.
9.
Select
Ink> Check Jet Health
from the control panel upon purge completion.
10.
Examine the jet health pattern for missing jets. If a printhead has missing jet, repeat steps 1 through 9.
Clean the carriage home sensor
CMYK
—
80 Hours
CMYKW
—
40 Hours
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.
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> 4) Clean Carriage
Home Sensor
.
2.
Press
Proceed
to continue.
The printer raises the printhead carriage rail, lowers the output roller and centers the carriage.
ENWW
Clean the carriage home sensor
9