C392A: Fusing Sensor Contamination (Nc Sensor) - Olivetti d-Color MF651 Service Manual

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19. TROUBLE CODE

19.5.130 C392A: Fusing sensor contamination (NC sensor)

Heating roller temperature sensor/1 (TEMS1)

Wipe the TEMS1 clean of dirt if any.

• 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

And, wipe off the sensor with a dry cot-

ton swab afterwards.

Check the TEMS1 for installed position and

proper connector connection.

Check the connection of the fusing unit.

Check the fusing unit, IHPU, PRCB and

DCPU for proper connection and correct or

change as necessary.

Change TEMS1

Change fusing unit

PRCB ICP17 conduction check

Relevant parts

Service Manual

Field Service Ver. 2.0 Jul. 2009

IH power supply (IHPU)

DC power supply (DCPU)

Printer control board (PRCB)

WIRING DIAGRAM

Control signal

Location (Electri-

cal component)

D-color mf551 D-color mf451