EBS-6100 Printer User's Manual Paragraph 6 - SERVICE and maintenance EBSInk-Jet Systems® 108 20070529#20.5PROBLEM REMEDYInk pressure pumpFig. 6.3.2.1.6.3.3. Clogged nozzle - cleaning the nozzlePROBLEM REMEDYThe nozzle is clogged. Anattempt to clear it bysucking (with theCLEAN NOZZLE) commandhas failed.The best moment for cleaning the nozzle is when the ink jet istrapped in the nozzle. The operation should not follow theCLEAN NOZZLE command directly because the impurities aresucked back at first but re-accumulated in the nozzle afterwards. Itinvolves the following steps:• remove the head cover by unscrewing the cover-protectingscrew - see Fig. 2.4.1 in 2.4 Removing the head casingsection,• select the V0 OFF command (or press the INK ON/OFF key onthe external panel) in order to stop the flow of ink towards thehead (when the ink flow stops, the lamp V0 on the internal panelgoes out),• loosen two screws
that fix the insulator of the chargingelectrode - see Fig. 6.3.3.1,• turn the charging electrode ,
