HP Scitex FB750 User Guide - Page 101

Clean the cover exhaust fans, Replace the UV lamp bulbs, Proceed

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3. Clean the media thickness sensor roller by manually turning the roller with your finger while applying the cloth to the roller surface using a lint-free cloth that is saturated with IPA (isopropyl alcohol). Figure 10-26 Use a lint-free cloth while moving the media thickness sensor roller 4. To reset the maintenance counter for this task and complete the procedure, press Proceed. Clean the cover exhaust fans CMYKcm - 250 Hours CMYKW - 250 Hours Cover exhaust fans keep the printer running at optimal temperatures by drawing warm air generated by the electric components away from the printer. There are finger guards for each fan where debris can build up, cleaning these finger guards will prevent the debris from falling onto printed output. Fans are located along the top of the printer on both end-caps and on the output door cover. 1. Select from the control panel System> Tools> User Cleaning and Maintenance> 15) Clean Cover Exhaust Fans. 2. Press Proceed to continue. 3. Remove output table and open the output-side door. 4. Vacuum the dust and debris from each fan guard. 5. To reset the maintenance counter for this task and complete the procedure, press Proceed. Replace the UV lamp bulbs CMYKcm - 500-1000 Hours CMYKW - 500-1000 Hours The UV ink curing lamp bulbs will gradually emit light of diminishing intensity with use. To compensate, increase the power settings to the lamp. (From the control panel Printing> Options> Increase UV Lamp Power). The UV bulbs are warranted for 500 hours, but by operating them at a low power initially, and increasing the power only when necessary to ensure a full curing of the ink, a service life of 1000 hours is possible. Replace both bulbs at the same time, so that both bulbs emit light of equal intensity. Order two of HP product number CH231A, HP UV Replacement Bulb Kit. The replacement procedure is as follows: 94 Chapter 10 User cleaning ENWW

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3.
Clean the media thickness sensor roller by manually turning the roller with your finger while applying
the cloth to the roller surface using a lint-free cloth that is saturated with IPA (isopropyl alcohol).
Figure 10-26
Use a lint-free cloth while moving the media thickness sensor roller
4.
To reset the maintenance counter for this task and complete the procedure, press
Proceed
.
Clean the cover exhaust fans
CMYKcm
–
250 Hours
CMYKW
–
250 Hours
Cover exhaust fans keep the printer running at optimal temperatures by drawing warm air generated by the
electric components away from the printer. There are finger guards for each fan where debris can build up,
cleaning these finger guards will prevent the debris from falling onto printed output. Fans are located along
the top of the printer on both end-caps and on the output door cover.
1.
Select from the control panel
System> Tools> User Cleaning and Maintenance> 15) Clean Cover
Exhaust Fans
.
2.
Press
Proceed
to continue.
3.
Remove output table and open the output-side door.
4.
Vacuum the dust and debris from each fan guard.
5.
To reset the maintenance counter for this task and complete the procedure, press
Proceed
.
Replace the UV lamp bulbs
CMYKcm
–
500
–
1000 Hours
CMYKW
–
500
–
1000 Hours
The UV ink curing lamp bulbs will gradually emit light of diminishing intensity with use. To compensate,
increase the power settings to the lamp. (From the control panel
Printing> Options> Increase UV Lamp
Power
). The UV bulbs are warranted for 500 hours, but by operating them at a low power initially, and
increasing the power only when necessary to ensure a full curing of the ink, a service life of 1000 hours is
possible.
Replace both bulbs at the same time, so that both bulbs emit light of equal intensity. Order two of HP product
number CH231A, HP UV Replacement Bulb Kit. The replacement procedure is as follows:
94
Chapter 10
User cleaning
ENWW