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HP Color LaserJet 2820 User Manual

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    							ProblemCauseSolution
    Copies are blank. The sealing tape might not
    have been removed from the
    print cartridges.Remove the print cartridges
    from the device, pull out the
    sealing tape, and reinstall the
    print cartridges.
    The original might have been
    loaded incorrectly.In the ADF, load the original
    with the narrow side forward
    and the side to be scanned
    facing up.
    On the flatbed scanner, make
    sure that the original document
    is placed face-down with the
    upper-left corner of the
    document at the lower-right
    corner of the glass.
    The media might not meet
    HP specifications.Use media that meets
    HP specifications. See 
    Media
    specifications.
    One or more print cartridges
    might be low.Replace any low print
    cartridges. See 
    Changing a
    print cartridge.
    The wrong original was copied.The ADF might be loaded.Make sure that the ADF is
    empty.
    Copies are reduced in size. The device software settings
    might be set to reduce the
    scanned image.See the HP Toolbox Help for
    more information about
    changing the settings.
    ENWWCopy problems255
     
    						
    							Fax problems
    This section helps you identify and resolve fax problems.
    Problems receiving faxes
    Use the table in this section to solve problems that might occur when receiving faxes.
    Note
    You must use the fax cord that came with the device in order to ensure that the device
    functions correctly.
    ProblemCauseSolution
    The device cannot receive
    faxes from an extension
    telephone.The extension-telephone
    setting might be disabled.See Making an extension
    telephone available to receive
    faxes for instructions about
    changing this setting.
    The fax cord might not be
    securely connected.Verify that the fax cord is
    securely connected between
    the telephone jack and the
    device (or another device that
    is connected to the device).
    Press 1-2-3 in sequence (tone-
    dial mode only), wait for three
    seconds, and then hang up.
    The device dialing mode might
    be incorrectly set, or the
    extension phone might be
    incorrectly set.Verify that the device dialing
    mode is set to Tone. See
    Selecting tone-dialing or pulse-
    dialing mode. Verify that the
    extension phone is set up for
    tone dialing as well.
    256Chapter 14 Troubleshooting ENWW
     
    						
    							ProblemCauseSolution
    Incoming fax calls are not
    being answered by the device.The answer mode might be set
    to Manual.If the answer mode is set to
    Manual, the device does not
    answer calls. You have to start
    the fax-receiving process
    manually. See 
    Setting the
    answer mode for more
    information.
    The rings-to-answer setting
    might not be set correctly.Check the rings-to-answer
    setting for your configuration.
    See 
    Changing the rings-to-
    answer setting to determine
    which setting you need.
    The answer-ring pattern feature
    might be turned on, but you do
    not have the service, or you do
    have the service and the
    feature is not set correctly.Check the answer-ring pattern
    feature to verify that it is set
    properly. See 
    Changing ring
    patterns for call answering.
    The fax cord might not be
    correctly connected, or the fax
    cord is not working.See the Getting Started Guide
    to check the installation. Verify
    that you are using the fax cord
    that came with the device.
    The device might not be able to
    detect incoming fax tones
    because the answering
    machine is playing a voice
    message.Re-record your answering
    machine message, leaving at
    least two seconds of silence at
    the beginning of the message.
    Too many devices might be
    connected to the telephone line.You should not have more than
    three devices attached to the
    line. Try removing the last
    device that was connected and
    determine whether the device
    works. If not, continue
    removing devices one at a time
    and retry after removing each
    one.
    The telephone line might not be
    working.Do one of the following:
    ●Increase the volume on
    the device, and then press
    S
    TART FAX on the control
    panel. If you hear a dial
    tone, the telephone line is
    working.
    ●Disconnect the device
    from the telephone jack,
    and then connect a
    telephone. Try to make a
    telephone call to verify that
    the telephone line is
    working.
    ENWWFax problems257
     
    						
    							ProblemCauseSolution
    Incoming fax calls are not
    being answered by the device.A voice-messaging service
    might be interfering with the
    device as it attempts to answer
    calls.Do one of the following:
    ●Disable the messaging
    service.
    ●Get a telephone line that is
    dedicated to fax calls.
    ●Set the device answer
    mode to Manual. In
    manual mode, you must
    start the fax-receive
    process yourself. See
    Setting the answer mode
    for more information.
    ●Leave the device set to
    automatic mode and lower
    the rings-to-answer setting
    for the device to a number
    less than the rings-to-
    answer setting for the
    voice mail (see 
    Changing
    the rings-to-answer
    setting). The device will
    answer all incoming calls.
    The device might be out of
    paper and the memory is full.Refill the media input tray.
    Press E
    NTER. The device prints
    all of the faxes it has saved in
    memory and then resumes
    answering fax calls.
    Faxes are not printing.The media input tray is empty.Load media. Any faxes that are
    received while the input tray is
    empty are stored in memory
    and will print after the tray has
    been refilled.
    The receive-to-PC option might
    be selected, and faxes are
    being received by the computer.Check to determine whether
    the computer is receiving
    faxes. See 
    Receiving faxes to
    your computer.
    Faxes are printing on two
    pages instead of one.The autoreduction setting might
    not be set correctly.Turn on the autoreduction
    setting. See 
    Changing
    autoreduction settings for
    incoming faxes.
    The incoming faxes might have
    been sent on larger media.Adjust the autoreduction setting
    to allow larger pages to be
    printed on one page. See
    Changing autoreduction
    settings for incoming faxes.
    258Chapter 14 Troubleshooting ENWW
     
    						
    							ProblemCauseSolution
    Received faxes are too light or
    are printing only on half of the
    page.The device ran out of toner
    while printing a fax.The device stores the most
    recently printed faxes. (The
    amount of memory that is
    available determines the actual
    number of faxes stored for
    reprinting.) As soon as
    possible, replace the print
    cartridge, and then reprint the
    fax. See 
    Reprinting a fax.
    The fax that was sent was too
    light.Contact the sender and have
    the sender resend the fax after
    altering the settings.
    Problems sending faxes
    Use the information in this table to solve problems that might occur when sending faxes.
    ProblemCauseSolution
    The document stops feeding in
    the middle of faxing.The maximum length of a page
    that you can load is 381 mm
    (15 inches). Faxing of a longer
    page stops at 381 mm (15
    inches).Print the document on shorter
    media.
    If no jam exists and less than
    one minute has elapsed, wait a
    moment before pressing
    C
    ANCEL. If a jam exists, see
    Clearing jams. Then, resend
    the job.
    If the item is too small, it can
    jam inside the automatic
    document feeder (ADF). Use the flatbed scanner. The
    minimum page size for the ADF
    is 127 by 127 mm (5 by 5
    inches).
    If a jam exists, see 
    Clearing
    jams. Then, resend the job.
    ENWWFax problems259
     
    						
    							ProblemCauseSolution
    Faxes stop during sending.The fax machine to which you
    are sending might be
    malfunctioning.Try sending to another fax
    machine.
    Your telephone line might not
    be working.Do one of the following:
    ●Turn up the volume on the
    device, and then press
    S
    TART FAX on the control
    panel. If you hear a dial
    tone, the telephone line is
    working.
    ●Disconnect the device
    from the jack in the wall,
    and then connect a
    telephone to the jack. Try
    to make a telephone call to
    verify that the telephone
    line is working.
    A communication error might
    be interrupting the fax job.Change the redial-on-
    communication-error setting to
    On (see 
    To change the redial-
    on-communication-error option).
    The device is receiving faxes
    but is not sending them.If your device is on a PBX
    system, the PBX system might
    be generating a dial tone that
    the device cannot detect.Disable the detect-dial-tone
    setting. See 
    Changing the
    detect-dial-tone setting.
    A poor telephone connection
    might exist.Try again later.
    The fax machine to which you
    are sending might be
    malfunctioning.Try sending to another fax
    machine.
    Your telephone line might not
    be working.Do one of the following:
    ●Turn up the volume on the
    device and press S
    TART
    FAX on the control panel. If
    you hear a dial tone, the
    telephone line is working.
    ●Disconnect the device
    from the telephone jack
    and connect a telephone.
    Try to make a telephone
    call to verify that the
    telephone line is working.
    Outgoing fax calls continue to
    be dialed.The device automatically
    redials a fax number if the
    redial options are set to On.To stop the redials while the
    device is dialing, press C
    ANCEL.
    To cancel a pending fax job,
    see 
    Canceling a fax job. See
    Changing the redial settings to
    change the redial setting.
    260Chapter 14 Troubleshooting ENWW
     
    						
    							ProblemCauseSolution
    Faxes that you send are not
    arriving at the receiving fax
    machine.The receiving fax machine
    might be off or might have an
    error condition, such as being
    out of paper.Call the recipient to verify that
    the fax machine is on and
    ready to receive faxes.
    The originals might be
    incorrectly loaded.Verify that the original
    documents are correctly loaded
    into the ADF input tray or
    flatbed scanner. See 
    Loading
    trays
    A fax might be in memory
    because it is waiting to redial a
    busy number, other jobs that
    are ahead of it are waiting to be
    sent, or the fax is set up for a
    delayed send.If a fax job is in memory for any
    of these reasons, an entry for
    the job appears in the fax log.
    Print the fax activity log (see
    Printing the fax activity log) and
    check the Status column for
    jobs that show a Pending
    designation.
    Faxes you send include a block
    of gray shading at the end of
    each page.You might be sending a fax
    from the flatbed scanner with
    the glass-fax size set incorrectly.Verify that the setting is correct.
    See 
    Changing the default glass-
    size setting.
    Faxes you send have data
    missing from the end of each
    page.You might be sending a fax
    from the flatbed scanner with
    the glass-fax size set incorrectly.Verify that the setting is correct.
    See 
    Changing the default glass-
    size setting.
    Voice call problems
    ProblemCauseSolution
    Voice calls are not being
    received by the telephone or
    answering machine that is
    connected to the line.The fax cord might not be
    correctly connected.See the Getting Started Guide
    to check the installation. The
    device must be the first device
    connected to the telephone line.
    The answer mode or rings-to-
    answer settings might not be
    correctly set.See Setting the answer mode
    or 
    Changing the rings-to-
    answer setting to determine
    which settings you need. The
    rings-to-answer must be set
    higher than the answering
    machine setting.
    The answering machine or
    telephone might not be
    functioning.Connect the telephone or
    answering machine directly to
    the telephone line and
    determine if it works by itself.
    Media-handling problems
    Use the information in this table to solve problems that involve print media.
    Note
    For information about removing jams, see Clearing jams.
    ENWWFax problems261
     
    						
    							ProblemCauseSolution
    Print is skewed.The media input tray might be
    overloaded.Remove some of the media
    from the input tray.
    The media guides might be
    incorrectly set, broken, or
    missing.Verify that the guides are not
    adjusted too tightly or too
    loosely against the paper.
    Check for broken or missing
    guides, and replace them if
    necessary.
    The media might not meet
    HP specifications.Use media that meets
    HP specifications. See 
    Media
    specifications.
    Pages are curled or wrinkled.The media might not meet
    HP specifications.Use media that meets
    HP specifications. See 
    Media
    specifications.
    The paper path might be
    affecting the pages.Open the straight-through
    output door on the back of the
    printer and use this paper path.
    The media is not stored
    properly.When possible, store media in
    its sealed ream at room
    temperature.
    The media has been in the
    input tray too long.Turn over the stack of media in
    the tray or rotate the media
    180° in the paper tray.
    262Chapter 14 Troubleshooting ENWW
     
    						
    							Performance problems
    ProblemCauseSolution
    Faxes are transmitting or being
    received very slowly.The fax might be very complex,
    such as one with many graphics.Complex faxes take longer to
    be sent or received. Breaking
    longer faxes into multiple jobs
    and decreasing the resolution
    can increase the transmission
    speed.
    The receiving fax machine
    might have a slow modem
    speed.The device only sends the fax
    at the fastest modem speed
    that the receiving fax machine
    can accept.
    The resolution at which the fax
    was sent or is being received
    might be very high.If you are receiving the fax, call
    and ask the sender to lower the
    resolution and resend the fax. If
    you are sending the fax, lower
    the resolution and resend the
    fax. See 
    Changing the default
    light/dark (contrast) setting to
    change the default setting.
    Your telephone line might not
    be working.Hang up and resend the fax.
    Have the telephone company
    check the telephone line.
    You are sending a fax via an
    international call.You must allow more time to
    transmit fax jobs internationally.
    The fax activity logs or fax call
    reports are printing at
    inappropriate times.The fax activity log or fax call
    reports settings are not correct.Print a Configuration page and
    check when the reports print.
    For instructions about setting
    log or report printing times, see
    To set the fax activity log to
    print automatically or Setting
    print times for the fax call report.
    The device sounds are too loud
    or too soft.The volume setting might not
    be adjusted correctly.See Using the device volume
    controls.
    ENWWFax problems263
     
    						
    							Memory card problems
    This section helps you identify and resolve memory card-related problems.
    Note
    For help with control-panel error messages while printing from a memory card, see Control
    panel messages.
    Missing or wrong files
    Use the table in this section to solve problems with memory-card files.
    ProblemCauseSolution
    Device cannot detect files on
    the memory card.The memory card might be
    missing or inserted incorrectly.Verify that the memory card is
    inserted correctly. See
    Inserting a memory card.
    The files might not be in the
    correct format.To print from the device control
    panel, the files must be in the
    sRGB JPEG format. To print
    other formats, you must use a
    software program on your
    computer.
    You might have inserted more
    than one memory card.Only one card slot can be
    occupied for the device to
    detect JPEG files. Verify that
    only one card is inserted.
    Index page not printing
    Use the table in this section to solve problems with index-page printing.
    ProblemCauseSolution
    The index page will not print.The memory card might have
    been removed before the
    device could print the page.Reinsert the card and reprint
    the index page.
    You might have inserted more
    than one memory card.Only one card slot can be
    occupied for the device to
    detect JPEG files. Verify that
    only one card is inserted.
    One or more print cartridges
    might be low.Replace any low print
    cartridges. See 
    Changing a
    print cartridge.
    Proof sheet not printing
    Use the table in this section to solve problems with proof-sheet printing.
    264Chapter 14 Troubleshooting ENWW
     
    						
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