Epson U12 manuals
Computer Equipment > Scanner
When we buy new device such as Epson U12 we often through away most of the documentation but the warranty.
Very often issues with Epson U12 begin only after the warranty period ends and you may want to find how to repair it or just do some service work.
Even oftener it is hard to remember what does each function in Scanner Epson U12 is responsible for and what options to choose for expected result.
Fortunately you can find all manuals for Scanner on our side using links below.
219 pages 1.7 Mb
1 Socket U11Socket U12 Total memory 5 Important Safety Instructions1.Read all of these instructions and save them for later reference 2.Follow all warnings and instructions marked on the computer 4.Do not spill liquid of any kind on the computer 5.Do not place the computer on an unstable cart, stand, or table 10.Do not allow the computer’s cord to become damaged or frayed 6 Do not insert objects of any kind into this product through the cabinet slotsA.When the power cord or plug is damaged B.If liquid has entered the computer D.If the computer has been dropped or the cabinet has been damaged E.If the computer exhibits a distinct change in performance 7 Instructions Importantes de SécuritéBien suivre tous les avertissements et les instructions indiquks sur 4.Ne jamais renverser un liquide d’aucune sorte sur l’ordinateur 5.Ne pas placer l’ordinateur sur un chariot, un support, ou une table instable 8 10.S’assurer que le cordon d’alimentation de l’ordinateur n’est pas effrsA.Lorsque le cordon d’alimentation ou la prise sont endommagk B.Lorsqu’un liquide s’est infib& dans l’ordinateur D.Lorsqu’on a &hap@ l’ordinateur ou que l’on a endommage le boitier E.Lorsque l’ordinateur demontre un changement note au niveau de sa performance 14 Introduction20 Using Your Computer58 Accessing Internal Components59 Special Precautions60 Removing the CoverRemove the computer’s cover to do any of the following: 0 Change jumper settings 0 Install or remove option cards 0Install or remove single inline memory modules (SIMMs) 0Install or remove a CPU card 0Install or remove a math coprocessor 2.Turn the computer around so you are facing the back panel 3.If necessary, unlock the computer’s cover. (See Chapter 1 for instructions.) 62 Removing the Front Panel64 Removing the Subassembly66 Replacing the SubassemblyFollow these steps to replace the subassembly: 68 Replacing the Front PanelFollow these steps to replace the computer’s front panel: 1.Turn the computer so you are facing the front 69 Rep/acing the CoverFollow these steps to replace the computer’s cover: 1.Turn the computer so you are facing the back panel Lock the cover onto the computer, if desired. (See Chapter 1 for instructions.) 70 Installing and Removing Options104 Installing and Removing Drives132 Running System Diagnostics133 Starting the ProgramFollow these steps to start the System diagnostics program: diagnostics program: 1.Insert the Reference diskette in drive A and turn on or reset the computer 2.At the A : prompt, type DIAG and press (br9rl type DIAG You see a menu bar at the top of the screen with Items Detected 134 Deleting TestsTo remove devices from the Items Detected list so the System diagnostics program cannot test them, follow these steps: Press You System Board Numeric Coprocessor system Memory Diskette Drive A Hard Disk Drive #1 Serial Port COM1 Parallel Port LPT1 Video Adapter Test You 135 Adding TestsIf you want to add devices to the Items Detected list, follow these steps: 1.Press [t) or [to]toectAdd Tests. You see the Add menu, such as the following: Drive B LPT1 Printer Test Press [Jl or [tl to highlight the device you want to 136 Running TestsFollow these steps to run a test from the Execute menu: System Memory How often to repeat test HARD DISK DRIVE(S) AND CONTROLLER CHECK MENU 1- Seek check 2- Write, read check 3- Read, verify check 4- Run all above checks 0- Exit To exit S stem diagnostics, press m to select Quit and press Ab . You return to the operating system command prompt 137 Resuming From an Error138 System Diagnostic Tests139 Error Messages141 Formatting a Hard Disk142 Follow these steps to start the hard disk formatting program:- Destructive 0 - E x i t checksthe disk for unflagged bad tracks without destroying data. You 143 Formatting a New DiskReformatting a Used DiskTo reformat a disk you have been using follow these steps: 4.Run the Format option to format the disk 144 selecting an OptionUse the arrow keys ([t) [-i-l,[tl [T] Cl Type the number of the option and press m selecting a DriveIf you have more than one hard disk drive, you see this prompt: Enter drive number ? (1/2) Select 1 for the first hard disk or 2 for the second hard disk Option 1, FormatFormat Hard Disk < Drive P: Hard Scan hard disk to get defective track information? (Y/N) 145 1.Select Y to scan the disk or N to skip the scanning processScanning for flagged bad tracks Head : mm Cylinder : nnnnn Scanning finished Count of tracks flagged bad of tracks with other errors of good tracks 2. Next you see the following prompt: Accept recommended skewed sectors in format : 1 1 (Y/N) To accept the default, select Y. Then go to step To enter a new value, select N. You see the following prompt: Enter new skewed sectors in format (1-16): 146 3. Next you see this prompt:Accept recommended skewed sectors per head in format : 0 ? (Y/N) recommended (Y/N) To enter a new value, select N. You see the following prompt: Enter new skewed sectors per head in format (0-16): Modify defective track table ? (Y/N) To add bad tracks to the defective track table, see the next section 147 Modifying the Defective Tack TableTo add a bad track, follow these steps: 1. Press [Al. You see this prompt: Type the number of the containing the bad track and press The maximum valid cylinder number and head number (nnnn 148 Formatting the DiskWhen you are ready to start formatting the disk, you see the following warning: want to start select Y to Cancel formatting or N to continue If you continue with formatting, you see: You see the head and cylinder numbers decrease as the program progresses Format finished Flagging bad tracks Cylinder is nann, head is zm Format completed Press ENTER to return to the menu Press m to return to the Hard Disk Format Menu 149 Option 2, Destructive Surface Analysisfrom the Hard Disk Format Menu. You see these messages: Analyze Hard Disk <Drive II: Read/Save/Write/Read/Restore/Read check for all tracks Current cylinder is nnnn 150 As the program checks each track, it decreases the cylinder numbers to zeroAnalysis finished Count tracks flagged bad Count of tracks with write, read errors good tracks No write, read error was detected No data was destroyed Press m to return to the menu 151 Option 3, Non-destructiveSurface AnalysisNon-destructive surface analysis Analyze Hard Disk <Drive n: Read/Verify check for all tracks Current cylinder is nnnn Count of tracks with read, verify No read, verify error was detected Press ENTER to return to the menu the information 152 Exiting the Program153 TroubleshootingWhen the computer performs its RESET 154 Error MessagesIf the error is not serious, you see this prompt: Resume = <F1> key Write down the error message and press [ to continue 157 The Computer Won’t Start158 The Computer Does Not Respond3.Did you enter the correct password? See “Password Problems,” below If your computer still does not respond, you can reset it using the rJI) I=] 159 RESET160 Restoring the Power SupplyTo restore normal power supply operation, follow these steps: If the power supply shuts off again, contact your dealer 161 Password ProblemsIf you have any trouble using your password, try the following: 162 Accessing Your System1.Turn off the computer 3.Turn on the computer 4.When you see Press <F2> to run SETUP, press [F2J To disable password checking, highlight Save your settings 9.Turn off the computer 10.Follow the instructions under “Jumper Settings” in Chapter 3 to enable the password function by setting jumper JP6 to position B 163 Keyboard Problems165 Diskette Problems167 Diskette Drive Problems168 Hard Disk ProblemsQ Installing the drive Li Preparing the drive for use P Accessing data on the drive If your hard disk has data on it, always be sure to back up 169 Installing the DriveIf you have problems with a newly-installeddrive, check the following: 1.If your dealer installed the drive, consult that person about the problem 170 Preparing the DrivePartition and format the drive for your operating system. If you are using If you cannot identify the problem, contact your dealer Accessing Data on the Drive 171 Software ProblemsIf you have trouble with an application program, try the following: If you entered an a Hold down [ and press [c) press [c) a Hold down [ and press [enJI1 press [enJI1 172 Printer Problems174 Option Card ProblemsIs the option card installed correctly? Make sure it is 175 Memory Module ProblemsIf the memory count displayed by the 176 Math Coprocessor ProblemsRun the SETUP program to make sure the math coprocessor is listed as 177 Specifications188 Glossary211 Index
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