Error-Code What you can do034-791 Tap Close, or wait for 60 seconds for the printer to recover. Check if the telephone line cord is connectedproperly. If the line connection is correct, check the following:• If Tone/Pulse setting is correct.For more information about Tone/Pulse setting, see "Tone / Pulse."If Tone/Pulse setting is correct, check the following:• If the remote machine can receive a fax.035-701 Tap Close, or wait for 60 seconds for the printer to recover. Check the following:• Status of the remote machine• Tone/Pulse settingFor more information about Tone/Pulse setting, see "Tone / Pulse."035-708 Tap Close, or wait for 60 seconds for the printer to recover. Try the following:• Try the same operation.• Reduce the modem speed.For more information about modem speed, see "Modem Speed."035-717 Tap Close, or wait for 60 seconds for the printer to recover. Reduce the modem speed. For moreinformation about modem speed, see "Modem Speed."035-718 Tap Close, or wait for 60 seconds for the printer to recover. Check the status of the remote machine.035-720 Tap Close, or wait for 60 seconds for the printer to recover. Check the features of the remote machine.035-781 Tap Close, or wait for 60 seconds for the printer to recover. Check if the remote machine is busy.042-700 Wait for a while until the printer cools down. Contact customer support if this failure is repeated.075-910 Make sure that the multipurpose feeder (MPF) is fully installed.077-300 Close the front cover.077-301 Close the right side cover.077-302 Close the rear cover.091-911 Remove the used waste toner box, and install a new toner box. For more information about replacing thewaste toner box, see "Replacing the Waste Toner Box."091-914 Reinsert the black drum cartridge. If the message remains, replace the cartridge. For more informationabout reinserting the drum cartridge, see "Replacing the Drum Cartridges."091-917 Reinsert the yellow drum cartridge. If the message remains, replace the cartridge. For more informationabout reinserting the drum cartridge, see "Replacing the Drum Cartridges."091-918 Reinsert the magenta drum cartridge. If the message remains, replace the cartridge. For more informationabout reinserting the drum cartridge, see "Replacing the Drum Cartridges."091-919 Reinsert the cyan drum cartridge. If the message remains, replace the cartridge. For more information aboutreinserting the drum cartridge, see "Replacing the Drum Cartridges."091-921 Make sure that the black drum cartridge is fully installed. For more information about installing the drumcartridge, see "Replacing the Drum Cartridges."091-922 Make sure that the yellow drum cartridge is fully installed. For more information about installing the drumcartridge, see "Replacing the Drum Cartridges."091-923 Make sure that the magenta drum cartridge is fully installed. For more information about installing thedrum cartridge, see "Replacing the Drum Cartridges."091-924 Make sure that the cyan drum cartridge is fully installed. For more information about installing the drumcartridge, see "Replacing the Drum Cartridges."091-931 Remove the used black drum cartridge, and install a new cartridge. For more information about replacingthe drum cartridge, see "Replacing the Drum Cartridges."Understanding Printer Messages 455
