6-2 TroubleshootingSolving MalfunctionsThe table below provides general guidelines for problem solving.If a problem occurs with your machine, check the checkpoints andperform procedures indicated on the following pages. If the problempersists, contact your Service Representative.Symptom Checkpoints Corrective Actions ReferencePageThe operation panel doesnot respond when themachine is turned on ( |position).Is the machine plugged in? Plug the power cord into an AC outlet. —Pressing the Start keydoes not produce copies.Is a message displayed on the touchpanel?Determine the appropriate response tothe message and take actionaccordingly.page 6-4The original size is notdetected properly.Are the originals loaded correctly? When placing originals on the platen,place them face-down and align themwith the original size indicator plates.page 2-14Place originals face-up in the optionaldocument processor.page 2-15Is the machine installed beneathfluorescent lights?Do not install this machine beneathfluorescent lights.—Blank sheets are output. Are the originals loaded correctly? When placing originals on the platen,place them face-down and align themwith the original size indicator plates.page 2-14Place originals face-up in the optionaldocument processor.page 2-15Is the machine installed beneathfluorescent lights?Do not install this machine beneathfluorescent lights.—Copies are too light. Is the machine set to Manual Density? Use the density adjustment key to setthe correct density.page 3-5Is the toner distributed evenly withinthe toner container?Shake the toner container up and downapproximately 10 times.page 5-7Is there a message indicating theaddition of toner?Replace the toner container. page 5-7Is the paper damp? Replace the paper with new paper. page 2-2Copies are too dark. Is the machine set to Manual Density? Use the density adjustment key to setthe correct density.page 3-5Copies have a moirepattern (dots groupedtogether in patterns andnot aligned uniformly).Is the original a printed photograph? Set the original image to [Photo]. page 3-4Copies are not clear. Did you choose appropriate imagequality for the original?Select an appropriate original imagemode.page 3-4Is the paper damp? Replace the paper with new paper. page 2-2Copies are dirty. Are the original cover or platen dirty? Clean the original cover or platenglass.page 5-2Copies are fuzzy. Is the paper damp? Replace the paper with new paper. page 2-2