CS240/CS231 6-73Troubleshooting 66.9 Simple troubleshootingItem Symptom Possible cause RemedyMain unit The machine does notstart up when the mainpower switch is turned on.Is no power supplied from the elec-trical outlet?Correctly insert the power supplyplug into the electrical outlet.Has the [Power] (auxiliary power)key been turned on?Turn on the [Power] (auxiliary pow-er) key.Copying does not start. Is the upper right-side door of themachine open?Securely close the upper right-sidedoor of the machine.Is there no paper that matches thedocument?Load paper of the appropriate sizeinto the paper tray.The printed output is toolight.Is the copy density set too light? Touch [Dark] in the Density screento copy at the desired copy densi-ty. (See p. 4-55.)Is the paper damp? Replace the paper with new paper.(See p. 3-44, p. 3-46, p. 3-47 andp. 3-48.)The printed output is toodark.Is the copy density set too dark? Touch [Light] in the Density screento copy at the desired copy densi-ty. (See p. 4-38.)Was the document not pressedclose enough against the originalglass?Position the document so that it ispressed closely against the originalglass. (See p. 4-9.)The printed output is blur-ry.Is the paper damp? Replace the paper with new paper.(See p. 3-44, p. 3-46, p. 3-47 andp. 3-48.)Was the document not pressedclose enough against the originalglass?Position the document so that it ispressed closely against the originalglass. (See p. 4-9.)There are dark specks orspots throughout the print-ed output.There are streaks in theprinted output.Is the original glass dirty? Wipe the glass with a soft, drycloth. (See p. 11-3.)Is the left partition glass dirty? Clean the left partition glass withthe left partition glass cleaner. (Seep. 11-3.)Is the document pad dirty? Clean the document pad with asoft cloth dampened with a milddetergent. (See p. 11-4.)Was the original document printedon highly translucent material,such as diazo photosensitive pa-per or OHP transparencies?Place a blank sheet of paper on topof the document. (See p. 4-9.)Is a double-sided document beingcopied?If a thin double-sided document isbeing copied, the print on the backside may be reproduced in thecopy. Touch [Light] on the Back-ground Removal screen to select alighter background density. (Seep. 4-47.)Is the electrostatic charger wiredirty?Use the charger-cleaning tool toclean the electrostatic charger.(See p. 11-5.)
