ProblemPossible Cause and SolutionProblemPossible Cause and SolutionThe machine does notappear on thescanners list.• Check if your machine is attached <strong>to</strong>your computer. Make sure that it isconnected properly via the USB port andis turned on.• Check if the scanner driver for yourmachine is installed in your system.Open the Unified Driver configuration<strong>to</strong>ol, switch <strong>to</strong> Scanner configuration,then press Drivers. Make sure that thewindow lists a driver with a namecorresponding <strong>to</strong> your machine's name.Check if the port is not busy. Sincefunctional components of MFP (printerand scanner) share the same I/Ointerface (port), the situation ofsimultaneous access <strong>to</strong> different“consumer” applications using the sameport is possible. To avoid possibleconflicts, only one of them is allowed <strong>to</strong>gain control over the device at a time.The other “consumer” will encounter a“device busy” response. This usuallyhappens while starting the scanprocedure, and an appropriate messagebox appears.• To identify the source of the problem,you should open ports configuration andselect the port assigned <strong>to</strong> your scanner.The port symbol /dev/mfp0 corresponds<strong>to</strong> LP:0 designation displayed in thescanners’ options, /dev/mfp1 relates <strong>to</strong>LP:1 and so on. USB ports start at /dev/mfp4, so scanner on USB:0 relates <strong>to</strong> /dev/mfp4 respectively, and so forthsequentially. In the Selected port paneyou can see if the port is occupied withsome other application. If this is thecase, you should wait for completion ofthe current job or you should press theRelease port but<strong>to</strong>n, if you are sure thatthe port owner is not functioningproperly.The machine does notscan.I cannot scan via GimpFront-end.• Check if a document is loaded in<strong>to</strong> themachine.• Check if your machine is connected <strong>to</strong>the computer. Make sure it is connectedproperly if an I/O error is reported whilescanning.• Check if the port is not busy. Sincefunctional components of MFP (printerand scanner) share the same I/Ointerface (port), the situation ofsimultaneous access for different“consumer” applications <strong>to</strong> the sameport is possible. To avoid possibleconflicts, only one of them is allowed <strong>to</strong>gain control over the device at a time.The other “consumer” will encounter“device busy” response. This usuallyhappens while starting the scanprocedure, and an appropriate messagebox will be displayed.To identify the source of the problem,you should open ports configuration andselect the port assigned <strong>to</strong> your scanner.port’s symbol /dev/mfp0 corresponds <strong>to</strong>LP:0 designation displayed in thescanners’ options, /dev/mfp1 relates <strong>to</strong>LP:1 and so on. USB ports start at /dev/mfp4, so scanner on USB:0 relates <strong>to</strong> /dev/mfp4 respectively and so forthsequentially. In the Selected port paneyou can see if the port is occupied bysome other application. If this is thecase, you should wait for completion ofthe current job or you should press theRelease port but<strong>to</strong>n, if you are sure thatthe port owner is not functioningproperly.• Check if Gimp Front-end has“Xsane: Device dialog.” on the “Acquire”menu. If not, you should install theXsane plug-in for Gimp on yourcomputer. You can find Xsane plug-inpackage for Gimp on Linux distributionCDs or on the Gimp home page. Fordetailed information, refer <strong>to</strong> Help forLinux distribution CD or Gimp Front-endapplication.If you wish <strong>to</strong> use an other kinds of scanapplications, refer <strong>to</strong> the Help forapplication.11.22
ProblemI encounter error“Cannot open portdevice file” whenprinting a document.Possible Cause and SolutionPlease avoid changing print jobparameters (via LPR GUI, for example)while a print job is in progress. Knownversions of CUPS server cut off the printjobs whenever print options are changedand then try <strong>to</strong> restart the job from thebeginning. Since Unified Linux Driver locksport while printing, the abrupt terminationof the driver keeps the port locked andtherefore unavailable for subsequent printjobs. If this situation occurred, try <strong>to</strong>release the port.Common Macin<strong>to</strong>sh problemsProblemPDF file does not printcorrectly-some parts aremissing in the graphics,text or illustrations.The document hasprinted, but the print jobhas not disappeared fromthe spooler inMac OS 10.3.2.Some letters are notdisplayed normallyduring the cover pageprinting.Suggested solutionsIncompatibility between the PDF file andthe Acrobat products.Printing the PDF file as an image mayenable the file <strong>to</strong> print. Turn on Print AsImage from the Acrobat printing options.Note: It will take longer <strong>to</strong> print whenyou print a PDF file as an image.Update your Mac OS <strong>to</strong> OS 10.3.3. orhigher.This problem is caused because MacOS cannot find the font during the coverpage printing. English alphabet andnumbers are displayed normally at thecover page.11.23
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