Symptom Action
Scanner makes buzzing noise on startup or during a scan. Go to “Flatbed home position service check” on
page 156.
Document feeds, but jams in ADF. Go to “ADF paper jam service check” on page 78.
Black streaks on scans Go to “ADF streak service check” on page 157.
Blank page Go to “Black or blank page copy service check” on
page 154.
Black page
No dial tone Go to “Modem/fax card service check” on page
160.
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. Go to “Blank spaces on incoming fax service check”
on page 161.
Invalid fax partition, or fax partition too small. Go to “Format fax storage” on page 205.
Some words on an incoming fax are stretched. Go to “Stretched words on incoming fax service
check” on page 161.
Faxes fail to transmit. Go to “Fax transmission service check” on page
163.
Fax reception fails. Go to “Fax reception service check” on page 161.
Rattling noise coming from the ADF unit. Go to “ADF rattling noise service check” on page
156.
Scanner fails to scan legal size paper Go to “Flatbed legal scan service check” on page
157.
Black or blank page copy service check
Actions Yes No
Step 1
Print a menu page, or a page from the host.
Is the page black?
See “Solid black pages
check” on page 42.
Go to step 2.
Step 2
Is the copy an ADF scan?
Go to step 4. Go to step 3.
Step 3
Run a flatbed copy.
Is it blank or black?
Go to step 5. Go to step 4.
Step 4
Did the sheet feed into the ADF?
Go to step 5. Perform an ADF paper
feed test.
Step 5
Is the CCD ribbon cable properly connected to J30 on the controller board?
Go to step 6. Properly connect the
ribbon cable to JCIS1.
7016
Diagnostic information
154
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