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4447-20x
Step
10
Check the J28 connector for proper connection and
damage. Reseat the cable.
Is the J28 cable free from damage?
11
Check the J47 connector for proper connection and
damage. Reseat the cable.
Is the J47 cable free from damage?
12
Replace the ADF assembly. See
removal" on page
Does the problem remain?
13
Replace the scanner assembly. See
scanner assembly removal" on page
Does the problem remain?
14
Replace the midframe cover assembly. See
"Midframe cover removal" on page
15
Replace the system board. See
removal" on page
Does the problem remain?
Black print out from a duplex scan/copy job
Note: Only the Pro5500 model supports duplex scan/copy.
Before starting, check the media route for foreign objects, such as staples, clips, and scraps, in the media path.
Step
1
Turn off the printer by unplugging the power cord.
Wait for 10 seconds, and turn on the printer. Run
the scan/copy job again.
Does the problem remain?
2
Check for any stain, dirt, or obstruction in the scan
area on the flatbed glass plate.
Check for any obstruction on the alignment edge of
the flatbed scanner.
Clean the scanner glass with a piece of cloth. Clear
the scan area from any stain, dirt and obstruction.
Does the problem remain?
3
Isolate the problem. Run a test print. From the
home screen, touch
Reports > Demonstration Page.
Is there a problem with the print quality?
4
Is this a duplex scan/copy job?
2-23
Service Manual
Check
"ADF assembly
4-47.
"Flatbed
4-49.
4-50.
"System board
4-32.
Check
> Print
Yes
Go to step 11.
Go to step 13.
Go to step 12.
Go to step 13.
Go to step 13.
Problem resolved
Go to step 14.
Problem resolved
Go to step 15.
Problem resolved
Replace the
Problem resolved
printer.
Yes
Go to step 2.
Problem resolved
Go to step 3.
Problem resolved
Go to
"Print
Go to step 4.
quality
check" on
page 2-13
or
"Black print
out from a
print job" on
page
2-6.
Go to step 5.
Go to step 7.
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