2-90
Service Manual
5060-XXX
Error Code 126
Hot Roll Thermistor or thermistor circuits are open.
Error Code 127
Backup Roll Thermistor or thermistor circuits are open.
Step
Action and Questions
Yes
No
1
Thermistor Resistance Check, Hot Roll - The thermistor
resistance can be checked between pins 6 and 8 on the ten
pin fuser control connector on the fuser assembly. Go to
“LVPS Fuser Connectors” on page 5-20
. Measure the
resistance of the hot roll thermistor assembly. The
resistance measures as follows:
Thermistor Hot: approximately 4.0K ohms
Thermistor Cold: Approximately 256K ohms
Note: The resistance will vary between 4k and 256k ohms
depending on the temperature of the thermistor.
Is the resistance correct?
Go to step 2
Replace the
“Fuser
Assembly”
on page 4-16
2
Voltage Check - Measure the voltage on J10-6. Go to
“Engine Board” on page 5-1
. The voltage will vary as the
lamp turns off and on between approxi1.5 V dc to
1.8 V dc.
Is the voltage correct?
Find the
correct system
problem or
error code
Replace the
following
FRU's in
order:
1.
“LVPS” on
page 4-14
2.
“Engine
Board” on
page 4-14
Step
Action and Questions
Yes
No
1
Thermistor Resistance Check, Back Up Roll - The
thermistor resistance can be checked between pins 7and 8
on the ten pin fuser control connector on the fuser
assembly. Go to
“LVPS Fuser Connectors” on page 5-20
.
Measure the resistance of the back up roll thermistor
assembly. The resistance measures as follows:
Thermistor Hot: approximately 4.0K ohms
Thermistor Cold: Approximately 256K ohms
Note: The resistance will vary between 4K and 256K ohms
depending on the temperature of the thermistor.
Is the resistance correct?
Go to step 2
Replace the
“Fuser
Assembly”
on page 4-16
Summary of Contents for e-STUDIO 20CP
Page 2: ...COLORPRINTER e STUDIO20CP ...
Page 3: ... ii ...
Page 5: ......
Page 19: ...xvi Service Manual 5060 XXX ...
Page 37: ...1 18 Service Manual 5060 XXX ...
Page 161: ...2 124 Service Manual 5060 XXX ...
Page 200: ...Repair Information 4 15 5060 XXX 4 Remove the right rear cover screw type 121 on page 4 4 A ...
Page 246: ...Connector Locations 5 17 5060 XXX RIP Board ...
Page 254: ...Connector Locations 5 25 5060 XXX HVPS Board ...
Page 256: ...Connector Locations 5 27 5060 XXX HVPS Developer Board ...
Page 257: ...5 28 Service Manual 5060 XXX ...
Page 261: ...7 2 Service Manual 5060 XXX Assembly 1 Covers ...
Page 263: ...7 4 Service Manual 5060 XXX Assembly 1 1 Covers ...
Page 269: ...7 10 Service Manual 5060 XXX Assembly 5 Paper Feed Output Redrive ...
Page 271: ...7 12 Service Manual 5060 XXX Assembly 6 Multipurpose Feeder MPF ...
Page 273: ...7 14 Service Manual 5060 XXX Assembly 7 500 Sheet Integrated Tray ...
Page 277: ...7 18 Service Manual 5060 XXX Assembly 9 1 ITU Assembly ...
Page 279: ...7 20 Service Manual 5060 XXX Assembly 10 Cartridge Contact Assembly ...
Page 281: ...7 22 Service Manual 5060 XXX Assembly 11 Electronics ...
Page 283: ...7 24 Service Manual 5060 XXX Assembly 11 1 Electronics ...
Page 291: ...7 32 Service Manual 5060 XXX Assembly 12 Output Expander ...
Page 293: ...7 34 Service Manual 5060 XXX Assembly 12 1 Output Expander ...
Page 295: ...7 36 Service Manual 5060 XXX Assembly 13 5 Bin Mailbox ...
Page 297: ...7 38 Service Manual 5060 XXX Assembly 13 1 5 Bin Mailbox ...
Page 299: ...7 40 Service Manual 5060 XXX Assembly 14 500 Sheet Tray Option ...
Page 301: ...7 42 Service Manual 5060 XXX Assembly 14 1 500 Sheet Tray Option ...
Page 303: ...7 44 Service Manual 5060 XXX Assembly 15 Duplex Unit ...
Page 305: ...7 46 Service Manual 5060 XXX Assembly 15 1 Duplex Unit ...
Page 307: ...7 48 Service Manual 5060 XXX Assembly 16 HCIT ...
Page 309: ...7 50 Service Manual 5060 XXX Assembly 16 1 HCIT ...
Page 323: ...I 8 Service Manual 5060 XXX ...