Diagnostic information 2-3
7525-63x
Scan / fax / copy symptom table
Symptom Action
840.xx scanner error Go to “840.xx error service check” on page 2-59.
ADF won’t duplex (Duplex ADF only). Go to “ADF duplex service check” on page 2-65.
ADF skew Go to “ADF feed errors service check” on page 2-64.
Multiple pages feed into the ADF.
Documents won’t feed into the ADF.
Scanner makes buzzing noise on startup or
during a scan.
Go to “Flatbed home position service check” on page 2-61.
Document feeds, but jams in the ADF. Go to “ADF paper jam service check” on page 2-63.
Black streaks on scans. Go to “ADF streak service check” on page 2-63.
Blank page Go to “Black or blank page copy service check” on
page 2-60.
No dial tone Go to “Modem/fax card service check” on page 2-66.
Device 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.
• The sending fax machine may be faulty.
• The sending fax machine may have a dirty document glass.
• A noisy phone line can cause errors.
• Check the MFP print quality by making a copy.
• The print cartridge may be empty. Replace as necessary.
Invalid fax partition, or fax partition too
small.
See “Fax Low Power Support” on page 3-36.
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 2-67.
Fax reception fails. Go to “Fax reception service check” on page 2-68.
Rattling noise coming from the ADF unit. Inspect the ADF separator roll and ADF separator pad for proper
installation. If needed, remove the separator pad and separator
roll and reinstall them. See “ADF separator pad removal” on
page 4-91 and “ADF separator roll assembly removal” on
page 4-92 for removal instructions.
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