HP Scitex LX850 HP Scitex LX850 & LX820 Printers: Maintenance and troubles - Page 37
Clean the main roller, CAUTION, WARNING
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5. Reach underneath the line sensor and clean it with the cotton swab as shown. 6. Use a brush to clean accumulated dust from the aerosol inlets. Do not use the brush on any other parts. Maintain hardware 7. Look for condensation under the carriage, and remove it with a clean lint-free cloth if necessary. CAUTION: Do not touch the printhead nozzles, which could damage them. 8. Press the OK button on the front panel. The printer lowers the carriage beam to its normal position. WARNING! Do not insert your hands or anything else into the printer while the carriage is descending. Clean the main roller The main roller should be cleaned whenever it is visibly dirty, or when you notice that substrate advance is no longer smooth and regular. ● Unload the substrate. ● Go to the front panel and select Clean main roller from the Preventive Maintenance menu . The main roller will start moving slowly. ● Clean the roller with a clean cloth dampened with water; do not use petroleum-based cleaning liquids. ● The roller will continue turning until you press the Cancel key. You can also stop it temporarily with your finger. ● Ensure that the roller is dry before reloading the substrate. ENWW Clean the main roller 31