2-4 Service Manual
Scan / fax / copy symptom table
Symptom Action
840.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 ADF
Documents won’t feed into ADF
Printer picks letter size paper on a legal
size scan
This is a symptom of a failed paper length sensor.
Scanner makes buzzing noise on startup or
during 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” on
page 2-57.
Black page
No dial tone Go to “Modem / fax card service check” on page 2-63.
Machine dials a number but fails to make a
connection with another fax machine.
The other fax machine may be turned off. Ask the fax recipient to
check their machine.
Incoming fax has blank spaces or poor
quality.
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 too
small.
See “Format Fax Storage” on page 3-34.
Some words on an incoming fax are
stretched.
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.
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