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OKI C330dn User Manual

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    Replacing consumable items> 121
    CLEANING THE LED HEAD
    Clean the LED head when printing does not come out clearly, has 
    white lines or when text is blurred.
    1. Switch off the printer and open the top cover.
    2. Gently wipe the LED head surface (1) with LED lens 
    cleaner or soft tissue.
    3. Close the top cover.
    1
    CAUTION!
    Do not use methyl alcohol or other solvents on the LED 
    head as damage to the  lens surface will occur.
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    Installing additional memory (C3400n only)> 122
    INSTALLING ADDITIONAL MEMORY (C3400N 
    ONLY)
    This section explains how to install additional RAM memory into 
    your printer as a memory upgrade. This option is only available 
    for the C3400n printer. There is  no memory upgrade available for 
    the C3300.
    ORDER CODES
    Use the following order codes for additional memory:
    >64MB RAM – 01110301
    > 256MB RAM – 01110302
    MEMORY UPGRADE
    The basic printer model comes equipped with 32MB of main 
    memory. This can be upgraded wi th an additional memory board 
    containing 64MB or 256MB, giving a maximum total memory 
    capacity of 288MB.
    Installation takes a few minutes, and requires a medium size 
    cross-head (Philips type) screwdriver.
    1. Switch the printer off and disconnect the AC power cable.
    2. Press the cover release and open the printer’s top cover 
    fully.
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    Installing additional memory (C3400n only)> 123
    3.Remove each image drum units, starting with the front. 
    Cover the image drum units to protect them from direct 
    light 
    4. Locate the two fasteners (1) at each side of the belt (3) 
    and the lifting bar (2) at the front end. 
    WARNING!
    If the printer has been powe red on recently, the fuser 
    will be hot. This area is clearly labelled. Do not touch.
    2
    1
    1
    123
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    Installing additional memory (C3400n only)> 124
    5.Unlock the fasteners and remove the belt as shown.
    6. Carefully remove the new memory board from its 
    wrapping. Try to handle the board only by its short edges, 
    avoiding contact with any metal parts as far as possible. 
    In particular, avoid touching the edge connector.
    7. Notice that the memory board has a small cutout in the 
    edge connector, which is closer to one end than the other.
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    Installing additional memory (C3400n only)> 125
    8.Identify the RAM expansion slot  in the printer. Unclip the 
    plastic cover to open this slot.
    9. If the RAM expansion slot  already contains a memory 
    upgrade board, that board will have to be removed before 
    you can install the new one. To remove it proceed as 
    follows, otherwise skip to step 10.
    (a) Identify the locking clips at each end of the RAM 
    expansion slot.
    (b) Push the clips outward and back into the printer. The 
    board will pop out slightly.
    (c) Grip the board firmly by its short edges and pull it 
    out of the slot.
    (d) Place the removed memory board in the antistatic 
    bag which originally contained the new memory 
    board.
    10. Hold the new memory board by its short edges, so that 
    the edge connector faces in towards the RAM expansion 
    slot, and the small cutout is closer to the bottom of the 
    printer.
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    Installing additional memory (C3400n only)> 126
    11.Gently push the board into th e RAM expansion slot until it 
    latches in and will not go any further.
    12. Close the RAM expansion slot.
    13. Replace the belt and image drum units as described in 
    “Replacing consumable items” on page 101.
    14. Close the top cover of the printer.
    15. Reconnect the AC power cable and switch the printer on.
    16. When the printer is ready, print a menu map by holding 
    down the  ON LINE button on the Operation Panel for 2 
    seconds.
    17. Examine the first page of the menu map.
    Near the top of the page, between the two horizontal lines, 
    you will see the current printer configuration. This list 
    contains the figure for total memory size.
    This should indicate the total memory now installed, which 
    should be the size of memory board you have installed plus 
    32MB.
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    Troubleshooting> 127
    TROUBLESHOOTING
    CLEARING PAPER JAMS
    Provided that you follow the recommendations in this guide on 
    use of print media, and you keep the media in good condition 
    prior to use, your printer should give years of reliable service. 
    However, paper jams occasionally do occur, and this section 
    explains how to clear them quickly and simply.
    Jams can occur due to paper misfeeding from a paper tray or at 
    any point on the paper path through the printer. When a jam 
    occurs, the printer immediately stops, and the Alert LED on the 
    Status Panel (together with the Status Monitor) informs you of 
    the event. If printing multiple pages (or copies), do not assume 
    that, having cleared an obvious sheet, others will not also be 
    stopped somewhere along the path. These must also be removed 
    in order to clear the jam fully and restore normal operation.
    1. If a sheet is well advanced out of the top of the printer, 
    simply grip it and pull gently to  draw it fully out. If it does 
    not remove easily, do not use excessive force. It can be 
    removed from the rear later.
    2. Press the cover release and open the printer’s top cover 
    fully.
    WARNING!
    If the printer has been powered on, the fuser will be hot. 
    This area is clearly labelled. Do not touch.
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    Troubleshooting> 128
    3.Note the positions of the 4 cartridges.
    It will be necessary to remove the four image drums to 
    gain access to the paper path.
    4. Holding it by its top centre , lift the cyan image drum, 
    complete with its toner cartridge (1), up and out of the 
    printer.
    1
    2
    3
    4
    1. Cyan cartridge 2. Magenta cartridge
    3. Yellow cartridge 4. Black cartridge
    1
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    Troubleshooting> 129
    5.Put the cartridge down gently onto a piece of paper to 
    prevent toner from marking your furniture and to avoid 
    damaging the green drum surface.
    6. Repeat this removal procedur e for each of the remaining 
    image drum units. Cover the image drum units to protect 
    them from direct light.
    7. Look into the printer to check whether any sheets of paper 
    are visible on any part of the belt unit.
    CAUTION!
    The green image drum surface at the base of the 
    cartridge is very delicate  and light sensitive. Do not 
    touch it and do not expose it  to normal room light for 
    more than 5 minutes.
     
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    Troubleshooting> 130
    8.Remove any sheets of paper as follows: 
    • To remove a sheet with its leading edge at the front of 
    the belt (1), carefully lift the sheet from the belt and 
    pull it forwards into the internal drum cavity and 
    withdraw the sheet.
    • To remove a sheet from the central area of the belt,  carefully separate the sheet from the belt surface and 
    withdraw the sheet.
    • To remove a sheet just entering the fuser , separate  the trailing edge of the sheet from the belt, push the 
    fuser pressure release lever (1) towards the front and 
    down to release the fuser’s grip on the sheet, and 
    1
    CAUTION!
    Do not use any sharp or abrasive objects to separate 
    sheets from the belt. This  may damage the belt surface.
    1
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