Sharp Actius PC-UM20 Operation Manual page 110

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If connected to a PBX, consult the PBX maintenance staff or its service
company. If the electric characteristics of your PBX are different from those of a
regular analog line, the modem will not function properly. If you connect the
modem to a digital PBX, both the modem and the PBX may be damaged.
Question: Why is the access speed so slow?
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Close the applications currently opened.
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Try to connect another ISP (Internet Service Provider), or try to connect in some
other time.
Question: Why can't I access the LAN?
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Confirm the cable is properly connected to the LAN jack and the network hub.
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Confirm the network configuration is appropriate.
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Confirm the user name or password is correct.
Trouble with Peripherals
Question: Why don't peripheral devices function?
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Confirm they are correctly connected to your computer.
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Confirm they are Windows 2000 or XP Professional compliant.
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Confirm drivers necessary for the devices are installed.
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There may not be a free IRQ (Interrupt). Free up an IRQ from a built-in device
(Windows 2000 only).
Question: Why can't I print?
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Make sure the printer is turned on.
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Check whether the computer and the printer are connected correctly.
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Check whether the printer is ready to print.
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Check whether the printer has enough paper.
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Check whether the printer driver is installed.
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From the Start menu, select Settings - Printers to confirm your printer is
installed there. If not, double-click Add Printer to install your printer
(Windows 2000). From the start menu, select Printers and Faxes to confirm
your printer is installed there. If not, click Add a printer of Printer Tasks to
install your printer (Windows XP Professional).
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