6-53Printing Environment Settings6SETUP Menu SettingsIMPORTANTFor automatic 2-sided printing, <41 CHK PAPER SZE> always appears and theprinter stops printing regardless of the setting for this item.SUBSTITUTE SIZEOFF*, ONWhen the paper cassette for the paper size to be used is not set in the printer, theprinter switches the paper source to the following paper cassettes and prints.If ON is specified, the printer switches the paper size.If OFF is specified, the printer does not switch the paper size but stops printing,displaying an error message.NOTEEven if ON is specified, the printer does not switch the paper size when the papersource for the paper size is empty.SP.IMAGE MODEOFF*, LEVEL1, LEVEL2Toner on the parts dense in color may not fix onto the paper and not printedproperly. In this case, specify LEVEL1 for this item. If the problem is not solved byspecifying LEVEL1, specify LEVEL2.IMPORTANT• If this solves the problem, reset the setting to the default value, OFF.• If LEVEL1 or LEVEL2 is specified, the print density may be lighter than when OFFis specified because the printer prints with the toner consumption adjusted.Printer Driver Setting Size of the Paper toBe PrintedA4 ➞ LetterLetter ➞ A4