HP Scitex FB550 Scitex FB550 and FB750 Printers- Cleaning Instructions - Page 19

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> 8) Vacuum Carriage Bottom. 2. Press Proceed to continue. 3. To reset the maintenance counter for this task and complete the procedure, press Proceed. It is recommended to clean the wipers by using the 6) Clean Service Station Wiper procedure after vacuuming the bottom of the carriage. 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> 9) Replace UV Lamp Filters. 2. Press Proceed to continue. The printer centers the printhead carriage. 3. Remove output table and open the output-side door. Opening the output-side door will disable 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 17 Lamp air filter ENWW Replace the UV lamp filters 17