HP Scitex FB750 User Guide - Page 95

Replace the UV lamp filters, System, Tools, User Cleaning and Maintenance, Vacuum Carriage, Bottom

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Clumps of ink and debris can accumulate around the printheads, where the service station's printhead wiper does not reach. This routine uses the printer's internal printhead vacuum cleaner to clean as much of this surface area as possible. This reduces the possibility of ink debris moving from the edge of the printhead orifice area onto the printhead, which can clog jets. 1. Select from the control panel System > Tools > User Cleaning and Maintenance > Vacuum Carriage Bottom. 2. Press Proceed to continue. 3. To reset the maintenance counter for this task and complete the procedure, press Proceed. After this procedure, you are recommended to clean the wipers; see Clean the service-station wiper on page 83. Replace the UV lamp filters CMYKcm - 250 Hours CMYKW - 250 Hours Lamp filters keep ink dust and other debris from entering the air-cooled lamp area. If the filters become clogged, the lamps may overheat, reducing the life of the bulbs. Overheating causes printing to stop, which can ruin a print job. 1. Select from the control panel System > Tools > User Cleaning and Maintenance > Replace UV Lamp Filters. 2. Press Proceed to continue. The printer centers the printhead 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. Remove the original air filters for both carriage lamps (B in photo below). Figure 10-17 Lamp air filter 5. Install the new air filters by inserting the corner tabs (A in above photo) under the corner slots (C in above photo) on top of the lamps. 6. To reset the maintenance counter for this task and complete the procedure, press Proceed. 88 Chapter 10 User cleaning ENWW

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Clumps of ink and debris can accumulate around the printheads, where the service station's printhead wiper
does not reach. This routine uses the printer's internal printhead vacuum cleaner to clean as much of this
surface area as possible. This reduces the possibility of ink debris moving from the edge of the printhead
orifice area onto the printhead, which can clog jets.
1.
Select from the control panel
System
>
Tools
>
User Cleaning and Maintenance
>
Vacuum Carriage
Bottom
.
2.
Press
Proceed
to continue.
3.
To reset the maintenance counter for this task and complete the procedure, press
Proceed
.
After this procedure, you are recommended to clean the wipers; see
Clean the service-station wiper
on page
83
.
Replace the UV lamp filters
CMYKcm
—
250 Hours
CMYKW
—
250 Hours
Lamp filters keep ink dust and other debris from entering the air-cooled lamp area. If the filters become
clogged, the lamps may overheat, reducing the life of the bulbs. Overheating causes printing to stop, which
can ruin a print job.
1.
Select from the control panel
System
>
Tools
>
User Cleaning and Maintenance
>
Replace UV Lamp
Filters
.
2.
Press
Proceed
to continue.
The printer centers the printhead 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.
Remove the original air filters for both carriage lamps (B in photo below).
Figure 10-17
Lamp air filter
5.
Install the new air filters by inserting the corner tabs (A in above photo) under the corner slots (C in
above photo) on top of the lamps.
6.
To reset the maintenance counter for this task and complete the procedure, press
Proceed
.
88
Chapter 10
User cleaning
ENWW