EnglishChapter 3 - Macintosh Setup 43Chapter 3 - Macintosh SetupUSB connectionOperating environment• MacOS 8.5 or higher running on a Macintoshcomputer with a USB interface.• Do not disconnect the USB interface cable duringprinting.• Do not immediately disconnect and connect theUSB cable or vice versa. Wait at least 5 secondsbefore re-connecting or disconnecting the cable.• The operation of the printer is not assured if aUSB compatible device is connectedconcurrently with other USB compatiblemachines.• When connecting multiple printers of the sametype, the Chooser displays *****1, *****2,*****3, etc. These numbers depend on the orderof connecting or turning on each printer.• If a USB hub is used, it is necessary to connectthe USB hub directly to the computer.• If the memory setting for the print monitor is lowand depending on the document, backgroundprinting may not be able to be carried out.Increase the memory setting for the print monitorto carry out background printing withoutproblems.• Depending on the model of computer, updates tothe operating system may be needed, e.g. iMacUpdate 1.0, iMac Update 1.1, iMac FirmwareUpdate, etc. For information on the latest updatesand installation, contact Apple Computers.ConnectionNote: No USB interface cable is supplied with theprinter. Please use a USB interface cable that iscompatible with USB specification 1.1.9000GBS.book Page 43 Wednesday, December 6, 2000 10:07 AM