HP Scitex FB550 Scitex FB550 and FB750 Printers- Cleaning Instructions - Page 26

Replace UV lamp bulb, System> Tools> User Cleaning and Maintenance> 16 UV Lamp Bulbs&gt

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Replace UV lamp bulb 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: 1. Select from the control panel System> Tools> User Cleaning and Maintenance> 16) UV Lamp Bulbs> In. 2. Press Yes to continue or No to cancel. The printer positions the rail and carriage for replacing the bulbs. 3. Select from Both Lamps, Service-end Lamp or User-end Lamp (it is recommended to replace both bulbs at the same time). 4. Press Proceed to continue. This resets the lamp service hours counter to zero hours. 5. Power down the printer using the power switch as instructed on the control panel. CAUTION: DO NOT attempt to access the UV Lamps without first powering down the printer. NOTE: DO NOT disconnect the main power cable from the print: this ensures that the proper vacuum is maintained to the printheads, which prevents ink from leaking out. 6. Wait five minutes to allow any existing current to drain from the capacitors. 7. Remove output table and open the output-side door. 8. Remove the user-end upper lamp assembly. a. Disconnect the auxiliary cable (A in the figure below) from the top of the user-end lamp. Figure 27 Auxiliary cable 24 User cleaning ENWW

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Replace UV lamp bulb
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:
1.
Select from the control panel
System> Tools> User Cleaning and Maintenance> 16) UV Lamp Bulbs>
In
.
2.
Press
Yes
to continue or
No
to cancel.
The printer positions the rail and carriage for replacing the bulbs.
3.
Select from
Both Lamps
,
Service-end Lamp
or
User-end Lamp
(it is recommended to replace both
bulbs at the same time).
4.
Press
Proceed
to continue.
This resets the lamp service hours counter to zero hours.
5.
Power down the printer using the power switch as instructed on the control panel.
CAUTION:
DO NOT attempt to access the UV Lamps without first powering down the printer.
NOTE:
DO NOT disconnect the main power cable from the print: this ensures that the proper vacuum is
maintained to the printheads, which prevents ink from leaking out.
6.
Wait five minutes to allow any existing current to drain from the capacitors.
7.
Remove output table and open the output-side door.
8.
Remove the user-end upper lamp assembly.
a.
Disconnect the auxiliary cable (A in the figure below) from the top of the user-end lamp.
Figure 27
Auxiliary cable
24
User cleaning
ENWW