Lexmark Optra E Service Manual - Page 40

Cold Fuser Service Check, fuser temperature.

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4026-0XX Cold Fuser Service Check If all the Cold Fuser Service Check items are correct, go to the "Hot Fuser Service Check" on page 2-20 Note: Toner buildup on the fuser input guide, paper separator, hot roll and backup roll causes paper jams. When toner is partially fused to the paper it is usually caused by low fuser temperature. Avoid handling the lamp as much as possible as it is easily broken. Be careful not to touch the glass housing with bare hands as the skin contains acids that can weaken the glass. When making checks and handling the fuser lamp make sure you allow enough time for the fuser lamp and associated parts to cool. FRU Action 1 Line Voltage The voltage to the printer must be within the fol- lowing limits. 100 V ac (90 V ac - 110 V ac) Japan 120 V ac (108 V ac - 132 V ac) U.S. 220/230 V ac (207 Vac - 253 V ac) W.T. 2 Fuser Lamp Turn off the printer and wait a few minutes for the fuser lamp to cool. Turn the machine on and observe the lamp turning on during POST. You can see the lamp through the left rear vents of the top cover. If the lamp lights, be sure the cor- rect voltage lamp is installed. The voltage rating is stamped on one of the ceramic end pieces. 2-18

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4026-0XX
2-18
Cold Fuser Service Check
If all the Cold Fuser Service Check items are correct, go to the
“Hot
Fuser Service Check” on page 2-20
Note:
Toner buildup on the fuser input guide, paper separator, hot
roll and backup roll causes paper jams.
When toner is partially fused to the paper it is usually caused by low
fuser temperature.
Avoid handling the lamp as much as possible as it is easily broken.
Be careful not to touch the glass housing with bare hands as the skin
contains acids that can weaken the glass.
When making checks and handling the fuser lamp make sure you
allow enough time for the fuser lamp and associated parts to cool.
FRU
Action
1
Line Voltage
The voltage to the printer must be within the fol-
lowing limits.
100 V ac (90 V ac - 110 V ac) Japan
120 V ac (108 V ac - 132 V ac) U.S.
220/230 V ac (207 Vac - 253 V ac) W.T.
2
Fuser Lamp
Turn off the printer and wait a few minutes for
the fuser lamp to cool. Turn the machine on and
observe the lamp turning on during POST. You
can see the lamp through the left rear vents of
the top cover. If the lamp lights, be sure the cor-
rect voltage lamp is installed. The voltage rating
is stamped on one of the ceramic end pieces.