CHAPTER 11 TROUBLESHOOTING11-52 COPYRIGHT © 1997 CANON INC. CANON NP6560/NP6360/NP6260 REV. 0 NOV. 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)5. Checking the Environment Sensor1) Start service mode ( ), and take notes of the readings of temperature andhumidity on the control panel display.Data A‘RTMP’ °C ......Data A1‘RHUM’ % ......Data A22) 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 ( ), and take notes of the readings of temperature andhumidity on the control panel display.Data B‘RTMP’ °C ......Data B1‘RHUM’ % ......Data B26) 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 ±20If the difference between data A and data B is not as specified, replace theenvironment 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.]1]]1]