Canon PC740 Service Manual - Page 164
Points, Handling, Storing, Cartridge
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MAINTENANCE AND SERVICING IV. POINTS TO NOTE WHEN HANDLING/ STORING THE CARTRIDGE The cartridge is subject to the effects of the environment regardless of whether it has been opened or installed in the copier, and its properties change over time. The degree of change is dependent on the site/storage environment, and it is very important to take care when handling or storing it. A. Storing Without Removing the Seal When storing the cartridge at the workshop or the like, make sure that the conditions in Table 6-401 are respected with attention to the following: • avoid areas subjected to the direct rays of the sun. - avoid areas subject to vibration. • take care not to subject it to shocks or drop it. 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° -o 15°C/ 104° -0 59°F -20°C - , 25°C/ -4°F -o 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 6-401 Temperature/Humidity Conditions (storage) Temperature -20° to 40°C/-4° to 104°F Humidity 90% or less Table 6-402 Conditions (transportation) B. After Opening The photosensitive medium is organic photoconductor (OPC), and deteriorates when exposed to strong light. The cartridge also contains toner, and it is important to advise the user to handle it with care to avoid soiling. Make sure that the cartridge is placed in a protective box for storage. 1. Storing after Removing the Seal a. Avoid areas subjected to the direct rays of the sun-windows or bright places. Do not keep it inside a car for a long period of time. The cartridge should never be placed under the sun or inside a car for a long time regardless of whether it is kept in a box. b. Avoid areas where the temperature/ humidity is too high or too low or where such environmental factors change rapidly; e.g., near refrigerators. c. Avoid areas subject to dust, ammonium gas, or organic solvent gas. d. Keep the cartridge at 40°C or less. 6 - 2 COPYRIGHT 1994 CANONINC. CANON PC720.74011501T1R0EV.0 AUG.1994 PRINTEDIN JAPAN (IMPRIME-AUJAPON)