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e-STUDIO 16P
FRU
Fuser Lamp
Lamp Cable
Thermistor
LVPS
2-46
Service Manual
Action
Turn the printer off and disconnect
the fuser lamp cable plug from the
LVPS board connector CN2.
Check for continuity across the fuser
lamp pin 1 and pin 2.
If there is continuity, go to step 1:
Continuity.
If there is no continuity, go to step 2:
No Continuity.
Step 1: Continuity
Measure the voltage at connector
CN2 on the LVPS. It should match
the line voltage.
• If line voltage is not present, see
"Low Voltage Power Supply
(LVPS) Service Check" on
page
2-44.
Make sure the fuser thermistor is
correctly connected to the engine
board. If the problem persists,
disconnect the thermistor cable from
the engine board and check for
approximately +5V dc. See
5V dc. See
"Connector Locations" on
page 5-1
for more information.
• If the voltage is incorrect, see
"Engine Board Service Check"
on page
2-41.
Step 2: No Continuity
Check the lamp cable for continuity.
• If correct, replace the lamp.
• If incorrect, replace the lamp
cable.
y across the fuser
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