Konica Minolta bizhub 20 User Manual
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122 Black toner marks across the pageMake sure that you use paper that meets our specifications. (See Acceptable paper and other print media on page 12.) If you use label sheets for laser machines, the glue from the sheets may sometimes stick to the OPC drum surface. Clean the drum unit. Do not use paper that has clips or staples because they will scratch the surface of the drum. If the unpacked drum unit is in direct sunlight or room light, the unit may be damaged. The toner cartridge may be damaged. Put in a new toner cartridge. (See Replacing a toner cartridge on page 143.) The drum unit may be damaged. Put in a new drum unit. (See Replacing the drum unit on page 145.) Line across the pageClean the laser scanner window and the corona wire inside the drum unit. (See Cleaning the laser scanner window on page 138 and Cleaning the corona wire on page 140.) The drum unit may be damaged. Put in a new drum unit. (See Replacing the drum unit on page 145.) Black lines down the page Printed pages have toner stains down the pageClean the corona wire inside the drum unit by sliding the blue tab. Be sure to return the blue tab to the home position ( a). (See Cleaning the corona wire on page 140.) The toner cartridge may be damaged. Put in a new toner cartridge. (See Replacing a toner cartridge on page 143.) The drum unit may be damaged. Put in a new drum unit. (See Replacing the drum unit on page 145.) The fuser unit may be smudged. Call your KONICA MINOLTA dealer for service. Examples of poor print qualityRecommendation ABCDEFGH abcdefghijk ABCD abcde 01234 ABCDEFGH abcdefghijk ABCD abcde 01234 ABCDEFGH abcdefghijk ABCD abcde 01234 Downloaded From ManualsPrinter.com Manuals
Troubleshooting and routine maintenance 123 C Poor fixingOpen the back cover and make sure that the two blue levers on the left and right hand sides are in the up position. Choose Improve Toner Fixing mode in the printer driver. (See Other Print Options (For Windows ®) or Print Settings (For Macintosh®) in the Software User’s Guide on the CD/DVD-ROM.) If this selection dose not provide enough improvement, choose Thicker Paper in Media Type setting. Examples of poor print qualityRecommendation ABCDEFGH abcdefghijk ABCD abcde 01234 Downloaded From ManualsPrinter.com Manuals
124 Setting Dial Tone detectionC When you send a fax automatically, by default your machine will wait for a fixed amount of time before it starts to dial the number. By changing the Dial Tone setting to Detection you can make your machine dial as soon as it detects a dial tone. This setting can save a small amount of time when sending a fax to many different numbers. If you change the setting and start having problems with dialling you should change back to the default No Detection setting. a Press Menu, 0, 5. bPress a or b to choose Detection or No Detection. PressOK. cPress Stop/Exit. Telephone line interferenceC If you are having difficulty sending or receiving a fax due to possible interference on the telephone line, we recommend that you adjust the Equalization for compatibility to reduce the modem speed for fax operations. aPress Menu, 2, 0, 1. bPress a or b to choose Basic(for VoIP), Normal or High. Basic(for VoIP) cuts the modem speed to 9600 bps. and turns the error correction mode (ECM) off. For a standard telephone line: If you regularly experience interference on your standard telephone line try this setting. If you are using VoIP: VoIP service providers offer fax support using various standards. If you regularly experience fax transmission errors try this setting. Normal sets the modem speed at 14400 bps. High sets the modem speed at 33600 bps. PressOK. cPress Stop/Exit. Note When you change the Compatibility to Basic(for VoIP), the ECM feature is not available. Downloaded From ManualsPrinter.com Manuals
Troubleshooting and routine maintenance 125 C Error and maintenance messagesC As with any sophisticated office product, errors may occur and consumable items may need to be replaced. If this happens, your machine identifies the error or required routine maintenance and shows the appropriate message. The most common error and maintenance messages are shown below. You can clear most errors and perform routine maintenance messages by yourself. If you need more help, KONICA MINOLTA offers the latest FAQs and troubleshooting tips. Visit us at http://konicaminolta.com/. Error MessageCauseAction Access ErrorThe device is removed from the USB direct interface while the data is processing.Press Stop/Exit. Reinsert the device and try to print with Direct Print. BT Call Sign On (U.K. only)BT Call Sign is set to On. You cannot change the Receive Mode from Manual to another mode.Set BT Call Sign to Off. (See BT Call Sign (U.K. only) on page 48.) Cartridge ErrorThe toner cartridge is not installed correctly.Pull out the drum unit, take out the toner cartridge that is indicated on the LCD, and put it back into the drum unit again. Comm.ErrorPoor telephone line quality caused a communication error.Try sending the fax again or try connecting the machine to another telephone line. If the problem continues, call the telephone company and ask them to check your telephone line. Connection FailYou tried to poll a fax machine that is not in Polled Waiting mode.Check the other fax machine’s polling setup. Cooling Down Wait for a whileThe temperature of the drum unit or toner cartridge is too hot. The machine will pause its current print job and go into cooling down mode. During the cooling down mode, you will hear the cooling fan running while the LCD shows Cooling Down and Wait for a while.Make sure that you can hear the fan in the machine spinning and that the exhaust outlet is not blocked by something. If the fan is spinning, remove any obstacles that surround the exhaust outlet, and then leave the machine turned on but do not use it for several minutes. If the fan is not spinning, disconnect the machine from the power for several minutes, then reconnect it. (The machine can be turned off for up to 60 hours without losing faxes stored in the memory. See Transferring your faxes or Fax Journal report on page 129.) Cover is OpenThe front cover is not closed completely.Close the front cover of the machine. Cover is OpenThe fuser cover is not closed completely or paper was jammed in the back of the machine when you turned on the power.Close the fuser cover of the machine. Make sure paper is not jammed inside the back of the machine, and then close the fuser cover and press Start. Downloaded From ManualsPrinter.com Manuals
126 DisconnectedThe other person or other person’s fax machine stopped the call.Try to send or receive again. Document JamThe document was not inserted or fed correctly, or the document scanned from the ADF was too long.See Document jams on page 130 or Using the automatic document feeder (ADF) on page 17. Drum ErrorThe corona wire on the drum unit needs to be cleaned.Clean the corona wire on the drum unit. (See Cleaning the corona wire on page 140.) The drum unit has reached the end of its life.Replace the drum unit. (See Replacing the drum unit on page 145.) Duplex DisabledThe duplex tray is not installed properly.Remove the duplex tray and install it again. Fuser ErrorThe temperature of fuser unit does not rise at a specified temperature within specified time.Turn the power switch off, wait a few seconds, and then turn it on again. Leave the machine for 15 minutes with the power on. The machine can be turned off for up to 60 hours without losing faxes stored in the memory. (See Transferring your faxes or Fax Journal report on page 129.) The fuser unit is too hot. Jam DuplexThe paper is jammed in the duplex tray.(See Paper jams on page 131.) Jam RearThe paper is jammed in the back of the machine.(See Paper jams on page 131.) Jam InsideThe paper is jammed inside the machine.(See Paper jams on page 131.) Jam MP TrayThe paper is jammed in the MP tray of the machine.(See Paper jams on page 131.) Jam Tray 1 Jam Tray 2The paper is jammed in the paper tray of the machine.(See Paper jams on page 131.) No PaperThe machine is out of paper or paper is not correctly loaded in the paper tray.Do one of the following: Refill the paper in the paper tray or MP tray. Remove the paper and load it again. No Response/BusyThe number you dialled does not answer or is busy.Verify the number and try again. No TonerThe toner cartridge or the drum unit and toner cartridge assembly is not installed properly.Re-install the toner cartridge or the drum unit and toner cartridge assembly. No TrayThe paper tray is not completely closed.Close the paper tray properly. Error MessageCauseAction Downloaded From ManualsPrinter.com Manuals
Troubleshooting and routine maintenance 127 C Out of MemoryThe machine’s memory is full.Fax sending or copy operation in progress Do one of the following: Press Start to send or copy the scanned pages. Press Stop/Exit and wait until the other operations in progress finish, and then try again. Clear the data from the memory. (See Out of memory message on page 40 or page 82.) Print operation in process Do one of the following: Reduce print resolution. (See Advanced tab in the Software User’s Guide on the CD/DVD-ROM.) Clear the faxes from the memory. (See Out of memory message on page 82.) Print Unable XXThe machine has a mechanical problem.Disconnect the machine from the power for several minutes, then reconnect it. (The machine can be turned off for up to 60 hours without losing faxes stored in the memory. See Transferring your faxes or Fax Journal report on page 129.) Protected DeviceThe protect switch of the USB Flash memory drive is on.Turn off the protect switch of the USB Flash memory drive. Rename the FileThere is already a file on the USB Flash memory drive with the same name as the file you are trying to save.Change the file name of the file on the USB Flash memory drive or the file you are trying to save. Replace Parts DrumThe drum unit is the end of its life. Replace the drum unit. (See Replacing the drum unit on page 145.) The drum unit counter was not reset when a new drum was installed.1 Open the front cover, and then press Clear/Back. 2Press 1 to reset. Replace Parts Fuser UnitIt is time to replace the fuser unit. Call your KONICA MINOLTA dealer to replace the fuser unit. Replace Parts Laser UnitIt is time to replace the laser unit. Call your KONICA MINOLTA dealer to replace the laser unit. Replace Parts PF kit MPIt is time to replace the paper feeding kit for the MP tray.Call your KONICA MINOLTA dealer to replace the PF Kit MP. Replace Parts PF kit 1It is time to replace the paper feeding kit for Tray 1.Call your KONICA MINOLTA dealer to replace the PF Kit 1. Error MessageCauseAction Downloaded From ManualsPrinter.com Manuals
128 Replace Parts PF kit 2It is time to replace the paper feeding kit for Tray 2.Call your KONICA MINOLTA dealer to replace the PF Kit 2. Replace TonerThe toner cartridge is at the end of its life and printing is not possible.Replace the empty toner cartridge with a new one. (See Replacing a toner cartridge on page 143.) Scan Unable XXThe machine has a mechanical problem.Disconnect the machine from the power for several minutes, then reconnect it. (The machine can be turned off for up to 60 hours without losing faxes stored in the memory. See Transferring your faxes or Fax Journal report on page 129.) Document is too long for duplex scanning.Press Stop/Exit. Use the suitable size of paper for duplex scanning. (See Scan on page 178.) Scanner LockedThe scanner lock is locked. Open the document cover, and then release the scanner lock lever. Press Stop/Exit. Size mismatchThe paper in the tray is not the correct size.Load the correct size of paper in the tray and set the “Paper Size” (Menu, 1, 2, 2 (See Paper Size on page 20). Toner LowIf the LCD shows Toner Low, you can still print; however, the machine is telling you that the toner cartridge is near the end of its life and the toner will soon need replacing.Order a new toner cartridge now. Too Many FilesThere are too many files stored on the USB Flash memory drive.Reduce the number of files stored on the USB Flash memory drive. Too Many TraysMore than one optional tray is installed.The maximum number of optional trays is one. Remove any additional trays. Unusable DeviceAn incompatible or broken device has been connected to the USB direct interface.Remove the USB Flash memory drive from the USB direct interface. Error MessageCauseAction Downloaded From ManualsPrinter.com Manuals
Troubleshooting and routine maintenance 129 C Transferring your faxes or Fax Journal reportC If the LCD shows: Print Unable XX Scan Unable XX We recommend transferring your faxes to another fax machine or to your PC. (See Transferring faxes to another fax machine on page 129 or Transferring faxes to your PC on page 129.) You can also transfer the Fax Journal report to see if there are any faxes you need to transfer. (See Transferring Fax Journal report to another fax machine on page 129.) Note If there is an error message on the machine’s LCD, after the faxes have been transferred, disconnect the machine from the power source for several minutes, and then reconnect it. Transferring faxes to another fax machine C If you have not set up your Station ID, you cannot enter fax transfer mode. (See Setting your station ID in the Quick Guide.) aPress Menu, 9, 0, 1. bDo one of the following: If the LCD shows No Data, there are no faxes left in the machine’s memory. Press Stop/Exit. Enter the fax number to which faxes will be forwarded. cPress Start. Transferring faxes to your PCC You can transfer the faxes from your machine’s memory to your PC. aMake sure that you have installed Multi- Function Suite on your PC, and then turn on PC-Fax Receiving on the PC. (For details about PC Fax Receive, see PC-FAX receiving in the Software User’s Guide on the CD/DVD-ROM.) bMake sure that you have set PC Fax Receive on the machine. (See PC Fax Receive on page 61.) If faxes are in the machine’s memory when you set up PC Fax Receive, the LCD will ask if you want to transfer the faxes to your PC. cDo one of the following: To transfer all faxes to your PC, press 1. You will be asked if you want a backup print. To exit and leave the faxes in the memory, press 2. dPress Stop/Exit. Transferring Fax Journal report to another fax machine C If you have not set up your Station ID, you cannot enter fax transfer mode. (See Setting your station ID in the Quick Guide.) aPress Menu, 9, 0, 2. bEnter the fax number to which the Fax Journal report will be forwarded. cPress Start. Downloaded From ManualsPrinter.com Manuals
130 Document jamsC If the document is jammed, follow the steps below. IMPORTANT After removing a jammed document, check that no paper scraps are left in the machine that could cause another jam. Document is jammed in the top of the ADF unit C aTake out any paper from the ADF that is not jammed. bOpen the ADF cover. cPull the jammed document out to the left. dClose the ADF cover. ePress Stop/Exit. Document is jammed under the document cover C aTake out any paper from the ADF that is not jammed. bLift the document cover. cPull the jammed document out to the right. dClose the document cover. ePress Stop/Exit. Document is jammed at the output tray C aTake out any paper from the ADF that is not jammed. bPull the jammed document out to the right. cPress Stop/Exit. Downloaded From ManualsPrinter.com Manuals
Troubleshooting and routine maintenance 131 C Document is jammed in the duplex slot C aTake out any paper from the ADF that is not jammed. bPull the jammed document out to the right. cPress Stop/Exit. Paper jamsC To clear paper jams, please follow the steps in this section. IMPORTANT Please confirm that you have installed both a toner cartridge and a drum unit in the machine. If you have not installed a drum unit or have installed the drum unit incorrectly, then this may cause a paper jam in your KONICA MINOLTA machine. Note If the error message remains, open and close the front cover and fuser cover firmly to reset the machine. CAUTION HOT SURFACE After you have just used the machine, some internal parts of the machine will be extremely hot. To prevent injury, when you open the front or back cover (back output tray) of the machine DO NOT touch the shaded parts shown in the illustration. If you do this you may get burned. IMPORTANT To prevent damage to the machine caused by static electricity, DO NOT touch the electrodes shown in the illustration. Note The LCD names for the paper trays are as follows: • Standard paper tray: Tray 1 • Optional lower tray: Tray 2 • Multi-purpose tray: MP Tray Downloaded From ManualsPrinter.com Manuals