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Infoprint 1222
Cold Fuser Service Check
FRU
Fuser Lamp
Lamp Cable
LVPS
2-32
Service Manual
Action
Turn the printer off and disconnect the
fuser lamp cable from the LVPS card
connector (CN3). See
(LVPS)" on page 5-11
information.
Check for continuity across the fuser
lamp. (Pins #1 and #2)
If there is continuity, go to step 1. If
there is no continuity, go to step 2.
Step 1: Continuity
Reconnect the fuser lamp cable at
CN3.
Turn the printer on.
Measure the voltage at connector CN4
on the LVPS. It should match the line
voltage.
• If line voltage is not present, replace
the LVPS.
Make sure the fuser thermistor is
correctly connected to the RIP card
(J22). If the problem persists,
disconnect the thermistor cable from
the RIP card assembly and check for
+4 V to +5 V dc. See
page 5-1
for more information.
• If the voltage is incorrect, see
Card Service Check" on
page
2-28.
Step 2: No Continuity
Check the lamp cable for continuity.
• If correct, replace the lamp.
• If incorrect, replace the lamp cable.
"Power Supply
for more
"Locations" on
"RIP
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