HP Scitex FB750 User Guide - Page 85

Clean the carriage encoder strip,

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6. Lubricate behind the top area of the rail where the carriage wheels contact. Figure 10-2 Back of top carriage-wheel strip 7. Using a lint-free cloth and isopropyl alcohol, clean the lower carriage-wheel strip from end to end on the rail (moving the carriage by hand to clean the full length of the rail). 8. Lubricate the lower carriage-wheel strip from end to end on the rail (moving the carriage by hand to lubricate the full length of the rail). NOTE: Even if the oiled cloth appears clean, it should be discarded every 3 months so that the oil does not become sticky. Figure 10-3 Lower carriage-wheel strip 9. To reset the maintenance counter for this task and complete the procedure, press Proceed. Clean the carriage encoder strip CMYKcm - 40 Hours CMYKW - 20 Hours Ink dust and debris can accumulate on the encoder strip and block accurate reading of the encoder marks by the carriage encoder reader. 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. 78 Chapter 10 User cleaning ENWW

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6.
Lubricate behind the top area of the rail where the carriage wheels contact.
Figure 10-2
Back of top carriage-wheel strip
7.
Using a lint-free cloth and isopropyl alcohol, clean the lower carriage-wheel strip from end to end on
the rail (moving the carriage by hand to clean the full length of the rail).
8.
Lubricate the lower carriage-wheel strip from end to end on the rail (moving the carriage by hand to
lubricate the full length of the rail).
NOTE:
Even if the oiled cloth appears clean, it should be discarded every 3 months so that the oil does
not become sticky.
Figure 10-3
Lower carriage-wheel strip
9.
To reset the maintenance counter for this task and complete the procedure, press
Proceed
.
Clean the carriage encoder strip
CMYKcm
—
40 Hours
CMYKW
—
20 Hours
Ink dust and debris can accumulate on the encoder strip and block accurate reading of the encoder marks by
the carriage encoder reader.
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.
78
Chapter 10
User cleaning
ENWW