Canon PC300 Service Manual

MAINTENANCE AND SERVICING:The cartridge is affected by the environ-ment, regardless of whether it is sealed orunsealed and installed in the machine orotherwise. Although the properties of thecartridge change over time independent ofhow many copies have been made, thedegree of care taken for the cartridge affectshow long it may remain stable.4. Storing Sealed CartridgesWhen storing the cartridge in a ware-house or workshop, make sure the place iscontrolled to the specifications shown inTable 6-1.a. Avoid direct rays of the sun.b. Avoid areas subjected to appreciablevibration.c. Do not drop or subject it to impact.Normal 0° to 35°C/(9/10 of period) 32° to 95°FSevere (1/10 |High |35° to 40°C/of period) 95° to 104°FLow |-20° to 0°C/-4° to 32°FTemperature fluctuations |40° — 15°C/(within about 3 min) 104° — 59°F: -20°C — 26°C/-4°F > 77°FNormal 35 to 85%RH(9/10 of period)Severe (1/10 85 to 95%RHSi pened) 10 to 35%RHAtmospheric pressure 460 to 760 mmHg(0.1 to 1 atm)Table 6-1 Temperature/HumiditySpecificationsTemperature6-2 COPYRIGHT © 1994 CANON INC.Temperature Humidity-20° to 40°C/-4° to 104°F 90% or lessTable 6-2 Transportation©. Storing and HandlingUnsealed CartridgesThe photosensitive medium is an organ-ic photoconductor (OPC), which is extremelysusceptible to light. Since the cartridge alsocontains toner, you must be extra carefulwhen storing or handling the cartridge.Make sure the user is aware of this fact andwill handle the cartridge with care.i. Storing Unsealed Cartridgesa. Avoid areas subjected to strong rays ofthe sun. Do not keep it in a car even ina protective box; the inside may becomeextremely hot.b. Avoid areas of high or low temperature/humidity and areas where these factorstend to change rapidly (for example,near air conditioners or heaters).c. Avoid areas where dust, ammoniumgas, or gases from organic solvents tendto accumulate.d. Keep the cartridge in a place 40°C/104°F or less.CANON PC300'320325, FC210/230 REV. JULY 1994 PRINTED IN JAPAN (MPRIME AU JAPON)