2-4 Service ManualScan / fax / copy symptom tableSymptom Action840.xx scanner error Go to “840.xx service check” on page 2-55.ADF won’t duplex (Duplex ADF only) Go to “ADF Duplex service check” on page 2-62.ADF skew Go to “ADF feed errors service check” on page 2-61.Multiple pages feed into ADFDocuments won’t feed into ADFPrinter picks letter size paper on a legalsize scanThis is a symptom of a failed paper length sensor.Scanner makes buzzing noise on startup orduring a scan.Go to “Flatbed home position service check” on page 2-58.Document feeds, but jams in ADF. Go to “ADF paper jam service check” on page 2-60.Black streaks on scans Go to “ADF streak service check” on page 2-59.Blank page Go to “Black or blank page copy service check” onpage 2-57.Black pageNo dial tone Go to “Modem / fax card service check” on page 2-63.Machine dials a number but fails to make aconnection with another fax machine. The other fax machine may be turned off. Ask the fax recipient tocheck their machine.Incoming fax has blank spaces or poorquality. 1. The sending fax machine may be faulty.2. The sending fax machine may have a dirty document glass.3. A noisy phone line can cause errors.4. Check the MFP print quality by making a copy.5. The print cartridge may be empty. Replace as necessary.Invalid fax partition, or fax partition toosmall. See “Format Fax Storage” on page 3-34.Some words on an incoming fax arestretched.The sending fax machine had a temporary jam.Faxes fail to transmit. Go to “Fax transmission service check” on page 2-64.Fax reception fails. Go to “Fax reception service check” on page 2-66.
