C ARE AND MAINTENANCE7.6 CHAPTER SEVEN : CARE AND MAINTENANCE75Examine the test pattern.This example shows atest pattern of all nozzlesfunctioning correctly onthe black print cartridge.This example shows atest pattern of all nozzlesfunctioning correctly onthe color print cartridge.The machine prints outthe nozzle test pattern. P L E A S E W A I TC L E A N I N G . . .: yellow: red: blue(appears inSF4100/4200 only)6Compare the diagonal line at the top and bottom of the test pattern.Look for a break in the diagonal line. A broken line shows anyclogged nozzles.If the bottom line shows improvement, rerun this test. Ifimprovement continues, rerun the test again. If all nozzles are notprinting after running the test three times, continue with the nextstep.7If print quality does not improve, remove and reinstall the printcartridge. See ‘Replacing the Print Cartridge’ on page 7.10 forcomplete instructions on removing and reinstalling a printcartridge.8Repeat the nozzle test.9If the line is still broken, wipe the nozzles and contacts. For help,see ‘Wiping the Print Nozzles and Contacts’ on page 7.10.B-Chapter 7(US) 4/16/98 8:43 AM Page 7.6
