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Diagnostic information
2-51
5022-
xxx
920.17—POST (power on self test) error service check
920.18—POST (power on self test) error service check
Step
Questions / actions
Yes
No
1
Turn the printer off and remove the rear
cover. Check connector JBIN1 for proper
connection to system card, cable for pinch
points and cable or connector for any other
damage. Is cable properly connected and
damage free?
Go step 2.
If connector is damaged on
system card, replace
system card. Go to
“System card removal” on
page 4-47
. If JBIN1 cable is
damaged, replace top
access cover assembly. Go
to
assembly removal” on
page 4-23
2
Replace top access cover assembly. Go to
“Top access cover assembly removal” on
page 4-23
. Does error clear?
Problem solved.
Replace system card. Go to
“System card removal” on
page 4-47
Step
Questions / actions
Yes
No
1
Turn the printer off and remove the rear
cover. Check connector JOPT1 for proper
connection to system card, cable for pinch
points and cable or connector for any other
damage. Is cable properly connected and
damage free?
Go step 2.
If connector is damaged on
system card, replace
system card. Go to
“System card removal” on
page 4-47
. If JOPT1 cable
is damaged, replace option
cable.
2
Remove 500-sheet assembly. Check auto-
connects on both the assembly and the
printer for damage. Are connectors free of
damage?
Go to step 3.
If connector is damaged on
500-sheet assembly,
replace 500-sheet
assembly. If JOPT1 cable is
damaged, replace option
cable.
3
Check connectors J1 and J2 on the 500-
sheet assembly for proper connection, cable
for pinch points and cable or connector for
any other damage. Are cables properly
connected and damage free?
Go to step 4.
Replace 500-sheet
assembly.
4
Reinstall 500-sheet assembly. Does error
clear?
Problem solved.
Go to step 5.
5
Replace 500-sheet assembly. Does error
clear?
Problem solved.
Replace system card. 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...