Diagnostic information 2-111
5062
990.05—POST error (550-sheet input option) service check
Step Questions / actions Yes No
1 Be sure that the following connectors are
properly connected on the 550-sheet
controller card and on the other end.
• Paper level sensor connector
• Jam door clearance sensor
• Pass thru sensor connector
• Pick Motor connector
• Feed Motor connector
Are all connectors properly connected?
Go to step 2. Properly connect all
connectors.
2
Replace the 550-sheet tray pass thru sensor.
See “2000-sheet high-capacity feeder pass
thru sensor removal” on page 4-205.
Does the problem persist?
Go to step 3. Problem solved.
3
Replace the 2000-sheet high-capacity feeder
pick assembly. See the installation note of
“2000-sheet high-capacity feeder pick
assembly removal” on page 4-207.
Does the problem persist?
Go to step 4. Problem solved.
4
Replace the 550-sheet controller card
assembly. See “550-sheet tray controller
card assembly removal” on page 4-156.
Does the problem persist?
Replace the 550-sheet
drawer assembly. See
“550-sheet drawer
assembly removal” on
page 4-155.
Problem solved.
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