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C7100/C7300/C7500 Troubleshooting • 384
Printout is garbled or incorrect with parallel connection.
Cannot print.
• LPT WRITE ERROR is displayed.
•
PRNUSBX WRITE ERROR is displayed.
Possible cause Remedy
Possible mismatch
on parallel
connection between
computer and printer.
Change parallel transmission mode (see Parallel
Transmission Mode above).
Possible cause Remedy
Interface is disabled. In the printer menu settings, enable Parallel or
USB interface.
Printer is switched
OFF.
Switch ON.
Printer interface
cable is
disconnected.
Reconnect the printer interface cable.
A converter, buffer,
extension cable or
USB hub is being
used.
Test by connecting the printer and computer
directly.
Printer driver output
port is incorrect.
Set correct output port to which the printer
interface cable is connected.
Printer is not selected
in the printer driver.
Select the printer or set to default printer.
Incorrect printer
driver is being used.
Delete this printer driver and install correct printer
driver.