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Diagnostic information
2-65
5022-
xxx
Operator panel service check
Warning: When replacing any one of the following components:
•
Operator panel assembly
•
System card
•
Smart chip card
Only replace one component at a time. Replace the required component and perform a POR before
replacing a second component listed above. If this procedure is not followed the printer will be rendered
inoperable.
Warning:
Never install and remove components listed above as a method of troubleshooting
components. Once a component has been installed in a printer, it can not be used in another
printer. It must be returned to the manufacturer.
One or more operator panel buttons fail
FRU
Action
1
Operator panel assembly
If any button fails the Button Test, replace the operator panel
assembly. Go to
“Operator panel assembly removal” on
. If a 950.00 through 950.29 error code is displayed after
replacing the operator panel assembly, go to
950.29 EPROM mismatch failure” on page 2-61
2
System card
Operator panel assembly
cable
Operator panel assembly
Disconnect the operator panel assembly cable from JOPP1 on the
system card and measure the voltage pin 6 and ground. The voltage
should measure approxi3.3 V dc. If incorrect, replace the
system card. Go to
“System card removal” on page 4-47
. If
correct, replace the operator panel assembly. Go to
assembly removal” on page 4-22
. If this does not fix the problem,
check the operator panel cable. If a problem is found, replace the top
cover access assembly. Go to
Summary of Contents for C520 Series
Page 8: ...viii Service Manual 5022 xxx...
Page 13: ...Laser notices xiii 5022 xxx Japanese Laser Notice...
Page 14: ...xiv Service Manual 5022 xxx Korean Laser Notice...
Page 33: ...General information 1 15 5022 xxx...
Page 132: ...2 74 Service Manual 5022 xxx...
Page 202: ...4 48 Service Manual 5022 xxx 5 Remove eight screws C from system card...
Page 222: ...5 2 Service Manual 5022 xxx 7RQHU SDWFK VHQVRU 736 7RQHU OHYHO VHQVRUV...
Page 223: ...Locations and connectors 5 3 5022 xxx Motors...
Page 224: ...5 4 Service Manual 5022 xxx Printer cards...
Page 226: ...5 6 Service Manual 5022 xxx Parallel system card Legend Jxx connector Fx fuse...
Page 227: ...Locations and connectors 5 7 5022 xxx Wiring diagrams See back of manual...
Page 228: ...5 8 Service Manual 5022 xxx...
Page 230: ...6 2 Service Manual 5022 xxx...
Page 232: ...7 2 Service Manual 5022 xxx Assembly 1 CRUs 5HDU 9LHZ...
Page 234: ...7 4 Service Manual 5022 xxx Assembly 2 Covers...
Page 236: ...7 6 Service Manual 5022 xxx Assembly 3 Front...
Page 238: ...7 8 Service Manual 5022 xxx Assembly 4 Right...
Page 240: ...7 10 Service Manual 5022 xxx Assembly 5 Rear...
Page 242: ...7 12 Service Manual 5022 xxx Assembly 6 Left...
Page 244: ...7 14 Service Manual 5022 xxx Assembly 7 Top...
Page 248: ...7 18 Service Manual 5022 xxx Assembly 9 Cable Parts Packet...
Page 254: ...I 4 Service Manual 5022 xxx...