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19. TROUBLE CODE
Field Service Ver. 2.0 Jul. 2009
812
TROUBLESHOOTING
19.5.130 C392A: Fusing sensor contamination (NC sensor)
Relevant parts
Fusing unit
Heating roller temperature sensor/1 (TEMS1)
IH power supply (IHPU)
DC power supply (DCPU)
Printer control board (PRCB)
Step
Action
WIRING DIAGRAM
Control signal
Location (Electri-
cal component)
1
Wipe the TEMS1 clean of dirt if any.
<Cleaning procedure>
• Clear away a dirt or a foreign object on
the sensor with a cotton swab.
• When a dirt is left even if you cleaned the
sensor by above procedure, clear away a
dirt or a foreign object on the sensor
using a cotton swab dampened with the
alcohol.
And, wipe off the sensor with a dry cot-
ton swab afterwards.
—
—
2
Check the TEMS1 for installed position and
proper connector connection.
—
—
3
Check the connection of the fusing unit.
—
—
4
Check the fusing unit, IHPU, PRCB and
DCPU for proper connection and correct or
change as necessary.
—
—
5
Change TEMS1
—
—
6
Change fusing unit
—
—
7
PRCB ICP17 conduction check
—
—
8
Change PRCB
—
—
Service Manual Y110571-1
Содержание d-color MF651
Страница 1: ...d Color MF651 d Color MF551 d Color MF451 Color Printer SERVICE MANUAL Code Y110571 1...
Страница 24: ...MEASURES TO TAKE IN CASE OF AN ACCIDENT S 22 Blank Page...
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Страница 511: ...Field Service Ver 2 0 Jul 2009 10 UTILITY 451 ADJUSTMENT SETTING Blank Page Y110571 1 Service Manual...
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