Check that the computer is hooked up to the printer.
检查一下计算机是否与打印机接通。
Check that there is no paper stuck inside, and then restart the printer.
检查一下里面是否有纸，然后重启打印机。
Check the function of computer, printer and software by relevant analytic program.
用相应的诊断程序检定计算机、打印机及软件功能。
Check the printer, and try again.
请检查打印机后再试。
Check the printer, and try again.
请检查打印机后再试。
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