Canon S520 Service Manual

Also see for S 820: Paper guide User guide Setup instructions Service manual Quick start guide

Contents

4.2 Confirmation methodAfter disassembly and reassembly, follow the procedures below to check the printer'soperation.1) Check visually for any grease or foreign matter contaminating the internal parts.Make sure that the timing slit strip is clean. If there is any grease on the strip, wipe itclean with alcohol.2) Service/factory test printout with the standalone printerCheck for the following: Missing print in the nozzle check pattern, off-positionhorizontal lines in the horizontal line pattern, and white stripes in any irregularprinting. If any of these faults are present, clean the print head and adjust the printhead position. Then make another test printout. The procedure is described in 7.1Service Mode Operations on page 2-29.Be sure to visually check the timing slit strip for any grease, foreignmatter, etc. If there is any grease, etc., on the strip, the printer maymalfunction shortly after repair is completed.Part 2: Troubleshooting S900 / S820 / S750 / S5202-26