3MK
1-4-2
(3) Paper misfeeds
Problem
Causes/check procedures
Corrective measures
(1)
Paper jams when the
main power switch is
turned on.
A piece of paper torn from
paper is caught around
feedshift switch or job eject
switch.
Check visually and remove it, if any.
Defective switch.
Run maintenance item U031 and turn switch on and off manually.
Replace the switch if indication of the corresponding switch is not
light.
Feedshift switch, job eject switch
(2)
A paper jam in the
eject section is indi-
cated during copying
(misfeed in job sepa-
rator eject section).
Jam code 51
Broken feedshift switch or
job eject switch actuator.
Check visually and replace switch.
Defective switch.
Run maintenance item U031 and turn switch on and off manually.
Replace the switch if indication of the corresponding switch is not
light.
Feedshift switch, job eject switch
Summary of Contents for DF-420
Page 3: ...Revision history Revision Date Replaced pages Remarks ...
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Page 11: ...First Edition DP 420 ...
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Page 82: ...First Edition PF 420 ...
Page 87: ...3MH 1 1 3 1 1 3 Machine cross section Figure 1 1 2 Machine cross section Paper path ...
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Page 149: ...First Edition DF 420 ...
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Page 159: ...3MJ 1 2 4 3 Remove the tape from the process table Figure 1 2 4 Tape Process table ...
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Page 192: ...First Edition JS 420 ...
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Page 196: ...3MK 1 1 2 1 1 2 Parts names Figure 1 1 1 1 2 1 Job separator tray 2 LED ...
Page 197: ...3MK 1 1 3 1 1 3 Machine cross section Figure 1 1 2 Machine cross section Paper path ...
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Page 215: ...First Edition FAX System R ...
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