Checking The Environment Sensor - Canon ImageRunner 600 Service Manual

9

Checking the Environment Sensor

1) Perform the following:
Select COPIER>DISPLAY>ANALOG in service mode; then, check and record the tempera-
ture and the humidity indicated on the control panel.
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 tool (FY9-3014) in its
place.
4) Turn on the power switch, and leave the copier alone for 5 min.
5) Select COPIER>DISPLAY>ANALOG in service mode; then, check and record the tempera-
ture and the humidity on the control panel:
data B
RTMP °C ....data B1
RHUM % ....data B2
6) Compare data A and data B.
• The difference between data A1 and data B1 is 0 ±5.
• The difference between data A2 and data B2 is 0 ±20.
If the difference between data A and data B is not as indicated, replace the environment
sensor.
7) Press the Reset key twice, and turn off the power switch.
8) Detach the environment sensor tool, and inert the environment sensor.
9) Mount all covers.
Caution:
The environment sensor tool (FY9-3014) is adjusted at the factory to high accuracy. To main-
tain its performance, be sure to store it in an airtight case with a drying agent.
COPYRIGHT © 1999 CANON INC. CANON imageRUNNER 600 REV.1 JAN. 2000 PRINTED IN U.S.A.
CHAPTER 13 TROUBLESHOOTING
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