Canon MultiPASS C755 Service Manual - Page 108
Test Functions, 1 User Test Print Functions, 1.1 Nozzle check
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MultiPASS C755 Chapter 3: Maintenance & Service 7. TEST FUNCTIONS 7.1 User Test Print Functions User enabled Test print functions are as follow. 7.1.1 Nozzle check Execute cleaning if this test printing shows each nozzle condition such as no ejection, unclear or unstable etc. If the printing does not improve even after the cartridge is cleaned five times, replace the BJ cartridge or the ink cartridge. Press the Function button then press the Cleaning button, and select "NOZZLE CHECK" by the Set button. Printed with the first nozzle. Printed with the 48th nozzle. Yellow 48th nozzle Magenta 48th nozzle Cyan 48th nozzle Black 48th nozzle Small drop Large drop 180 dpi bi-directional 360 dpi bi-directional Figure 3-26 Nozzle Check Pattern Print 3-57