9.1 Troubleshooting323Troubleshooting9.1.3 Dealing With Other TroublesWhen other problems occur, follow the check points below to troubleshoot.Symptoms Check Point TreatmentNo power. Is the plug inserted into the socket? Push the plug into the socket properly.Is the plug firmly inserted to the machine? Push the plug into the machine firmly.Is the power switch at “|” (On)? Turn the power switch to “|” (On).Is the breaker switch at “|” (On)? Turn the breaker switch to “|” (On).“1.2.4 Breaker Switch”The screen display ofthe main control panel isdim.Is the brightness adjustment dial at a toodark level?Use the brightness adjustment dial toadjust the brightness of the screendisplay.“8.1.1 Using System AdministratorMode”The message, “Readyto copy” is notdisplayed.Is the plug inserted into the socket? Push the plug into the socket properly.Are there messages on the displayscreen?Follow the instructions shown to dealwith the problem.The copies are dirty. Is the document glass or the documentcover dirty?Clean the document glass or thedocument cover.“10.1 Cleaning Copier”Are the documents of very hightransparency level (e.g transparencies)?If documents with high transparencylevel are used, dirty spots on thedocument cover will be copied as well.Place a white paper on the documentbefore copying.Are the documents colored, rough-textured or burnt?Adjust either the density level or imagequality.“5.17 Adjusting Image Quality”“5.18 Adjusting Copy Density”Are the documents glossy sensitizedpaper?As glossy sensitized paper sticks easilyonto the document glass, the shadowsare copied as black spots. Place atransparent material, like transparency,below the document.If the edges of the film below thedocument are copied, selectLighter for Lighter/Darker.The copies are too dark. Is the copy density set at Darker? Adjust the density level.“5.18 Adjusting Copy Density”The copies are too light. Are the documents printed too light? Adjust the copy density. For black andwhite documents, select Pencil Text(Black) in Text for Original Type.“5.19 Specifying Document Type”“5.18 Adjusting Copy Density”Is the Lighter/Darker value set atLightest?
