COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON iR105 REV.0 JULY 2001SERVICE MODES-1123 17-Gradation (without image correction; PG-TYPE3)F00-206-044 Blank (PG-TYPE4)F00-206-055 Halftone (PG-TYPE5) Halftone Subjected to Density Correction Block (image processing)In addition to the performance of the image formation system, such density correctionmechanisms as AE affect the result.F00-206-06COPIER>TEST>PGGradationfault in laser systemUneven densityprimary charging assemblyfault in developing systemCheck for Foggingfault in photosensitive drumfault in developing systemfault in laser system[1] Black Linescratch on drumdirt on primary charging wire[2] Vertical White Spottransfer fault[3] Left/Right Uneven Densityfault in primary charging assemblyfault in developing system
