Canon PC400 Service Manual - Page 138

CHAPTER 9 MAINTENANCE AND SERVICING IV. NOTES ABOUT CARTRIDGE The cartridge is affected by the environment, regardless of whether it is sealed or unsealed and installed in the machine or otherwise. Although the properties of the cartridge change over time independent of how many copies have been made, the degree of care taken for the cartridge affects how long it may remain stable. A. Storing Sealed Cartridges When storing the cartridge in a warehouse or workshop, make sure the place is controlled to the specifications shown in Table 9-401A. a. Avoid direct rays of the sun. b. Avoid areas subjected to appreciable vibration. c. Do not drop or subject it to impact. Normal (9/10 of period) 0° to 35°C/ 32° to 95°F Temperature Severe (1/10 High 35° to 40°C/ of period) 95° to 104°F Low -20° to 0°C/ -4° to 32°F Temperature fluctuations (within about 3 min) 40° ¨ 15°C/ 104° ¨ 59°F -20°C ¨ 25°C/ -4°F ¨ 77°F Humidity Normal (9/10 of period) 35 to 85%RH Severe (1/10 High 85 to 95%RH of period) Low 10 to 35%RH Atmospheric pressure 460 to 760 mmHg (0.1 to 1 atm) Table 9-401A Temperature/Humidity Specifications Temperature -20° to 40°C/-4° to 104°F Humidity 90% or less Table 9-402A Transportation 9-2 COPYRIGHT © 1998 CANON INC. CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)