Diagnostic information
2-91
924.xx—Hot fuser service check
Error Code 923.xx, 924.xx, and 925.xx may display for a hot fuser failure.
CAUTION:
.The fuser may be hot, use caution before removing or servicing.
CAUTION:
There is a danger from hazardous voltage in the area of the printer where you are
working. Unplug the printer before you begin, or use caution if the printer must receive power in
order to perform the task.
Service tip: Set the Fuser Temperature to NORMAL before starting this service check. In Diagnostics mode, In
Diagnostics mode, select
EP SETUP
, and
Fuser Temp
.
925.xx—Hot fuser service check
Error Code 923.xx, 924.xx, and 925.xx may display for a hot fuser failure.
CAUTION:
.The fuser may be hot, use caution before removing or servicing.
CAUTION:
There is a danger from hazardous voltage in the area of the printer where you are
working. Unplug the printer before you begin, or use caution if the printer must receive power in
order to perform the task.
Service tip: Set the Fuser Temperature to NORMAL before starting this service check. In Diagnostics mode, In
Diagnostics mode, select
EP SETUP
, and
Fuser Temp
.
FRU
Action
1
Fuser assembly
Fuser to system board
cable
Check the thermistor cable for correct installation to J5 on the fuser
card. If installed correctly, check for correct installation of J10 on the
system board. If all cables are installed correctly, go to step 2.
2
Fuser top cover assembly
(thermistor/thermistor cable
assembly)
Turn the printer off and disconnect the thermistor cable from J5 on
the fuser board. Measure the resistance between the two pins on the
thermistor cable, if the resistance measures infinity (open circuit),
replace the fuser top cover assembly.
3
Fuser to system board
cable.
System board
Fuser assembly
Reconnect the thermistor cable to J5 on the fuser board. Disconnect
the fuser to system board cable from J10 on the system board and
measure the resistance between J10-3 and J10-4 on the cable. If the
resistance measures infinity (open circuit) check the continuity of pins
3 and 4 of the cable. If correct, replace the fuser assembly. See
“Fuser assembly removal” on page 4-26
. If incorrect, replace the
fuser to system board cable.
Note:
If the error code still displays, replace the system board. See
“System board and inner shield removal” on page 4-76
.
FRU
Action
1
Fuser lamp
If the fuser is 220 V machine a 115 V fuser may be installed.
If the printer is not a 115 V model, then go to step 2.
If the printer is a 220 V model, then check to make sure that the
correct lamp is installed.
Note:
If the fuser lamp is replaced, allow the fuser to cool or a 925.xx
error could be displayed.
2
AC power source
Check the AC power source to make sure it meets specifications. If
the AC power source does not meet specifications, inform the
customer. If it meets specifications, go to step 3.
Summary of Contents for e-STUDIO500P
Page 1: ...PRINTER P N 12G9609 e STUDIO500P ...
Page 10: ...x Service Manual ...
Page 15: ...Laser notices xv Japanese Laser Notice ...
Page 16: ...xvi Service Manual Korean Laser Notice ...
Page 43: ...Diagnostic information 2 7 ...
Page 159: ...Diagnostic information 2 123 ...
Page 160: ...2 124 Service Manual ...
Page 161: ...Diagnostic information 2 125 ...
Page 181: ...Diagnostic aids 3 17 ...
Page 297: ...5 12 Service Manual ...
Page 298: ...Connector locations and connections 5 13 ...
Page 299: ...5 14 Service Manual ...
Page 301: ...6 2 Service Manual ...
Page 303: ...7 2 Service Manual Assembly 1 Covers ...
Page 305: ...7 4 Service Manual Assembly 2 Frame 1 ...
Page 307: ...7 6 Service Manual Assembly 3 Frame 2 ...
Page 309: ...7 8 Service Manual Assembly 4 Frame 3 ...
Page 311: ...7 10 Service Manual Assembly 5 Printhead ...
Page 313: ...7 12 Service Manual Assembly 6 Paper feed autocompensator ...
Page 315: ...7 14 Service Manual 4061 xx0 Assembly 7 Paper feed multipurpose feeder ...
Page 317: ...7 16 Service Manual Assembly 8 Paper feed alignment ...
Page 319: ...Page 7 19 has been removed from this document intentionally 7 18 Service Manual ...
Page 320: ...7 20 Service Manual Assembly 10 Integrated 500 sheet paper tray ...
Page 322: ...7 22 Service Manual Assembly 11 Drives Main drive and developer drive ...
Page 324: ...7 24 Service Manual Assembly 12 Hot roll fuser ...
Page 326: ...7 26 Service Manual Assembly 13 Transfer charging ...
Page 328: ...7 28 Service Manual Assembly 14 Electronics power supplies ...
Page 330: ...7 30 Service Manual Note ...
Page 332: ...7 32 Service Manual Assembly 16 Electronics shields ...
Page 336: ...7 36 Service Manual Assembly 19 Cabling diagrams 3 ...
Page 338: ...7 38 Service Manual Assembly 20 Cabling diagrams 4 ...
Page 340: ...7 40 Service Manual Assembly 21 Cabling diagrams 5 ...
Page 342: ...7 42 S ervice Manual THE FOLLOWING PAGE 7 43 HAS BEEN OMITTED FROM THIS MANUAL INTENTIONALLY ...
Page 347: ...7 48 S ervice Manual Pages 7 49 through 7 57 of this manual have been omitted intentionally ...
Page 348: ...7 58 Service Manual Assembly 35 High capacity feeder 1 ...
Page 350: ...7 60 Service Manual Assembly 36 High capacity feeder 2 ...
Page 354: ...7 64 S ervice Manual Pages 7 65 thru 7 70 ofthis manual were omitted intentionally ...
Page 362: ...I 8 Service Manual ...
Page 370: ...I 16 Service Manual ...