Checking The Environment Sensor; Checking The - Canon NP6251 Service Manual

5. Checking the Environment Sensor

1) Start service mode (
humidity on the control panel display.
Data A
'RTMP' °C ......Data A1
'RHUM' % ......Data A2
2) Press the Reset key twice, and turn off the power switch.
3) Remove the environment sensor, and insert the environment sensor jig (FY9-3014)
in its place.
4) Turn on the power switch, and leave the machine alone for 5 min.
5) Start service mode (
humidity on the control panel display.
Data B
'RTMP' °C ......Data B1
'RHUM' % ......Data B2
6) Compare data A and data B.
• difference between data A1 and data B1 is 0 ±5
• difference between data A2 and data B2 is 0 ±20
If the difference between data A and data B is not as specified, replace the
environment sensor.
7) Press the Reset key twice, and turn off the power switch.
8) Remove the environment sensor jig, and insert the environment sensor.
9) Install all covers.
Caution:
The environment sensor jig (FY9-3014) is adjusted to high precision at the factory.
Be sure to keep it in an air-tight case with a drying agent for storage.
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COPYRIGHT © 1997 CANON INC.
Download service manual and resetter printer at http://printer1.blogspot.com
), and take notes of the readings of temperature and
1
), and take notes of the readings of temperature and
1
CANON NP6350/NP6251 REV. 0 JULY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)