Ricoh B022, Руководство по обслуживанию, Страница: 787 / 878

Copyright

2002 RICOH Corporation. All rights reserved.
TECHNICAL SERVICE BULLETIN
BULLETIN NUMBER: B022/B027 –016 10/17/2002
APPLICABLE MODEL:
GESTETNER – 2212/2712
RICOH – AFICIO 1022/1027
SAVIN – 2522/2527
SUBJECT: TONER BOTTLE INNER CAP POPS OFF
SYMPTOM:
When a new toner bottle is shaken and the cap is unscrewed, the inner cap pops off.
This might occur under the following conditions.
1. The toner bottle has been stored for a long time in a low temperature environment (such as an
unheated warehouse in winter).
2. The temperature around toner bottle suddenly increases by more than 25 degrees (Celsius).
3. The toner bottle is installed between 1 hour and 9 hours after the above condition has occurred.
CAUSE:
The mechanism of the symptom is as follows.
1. The toner bottle is stored at a very low temperature. The air in the bottle cools and the bottle's internal
air pressure decreases.
2. Air slowly leaks into the bottle until the bottle's internal pressure equalizes with the atmospheric
pressure.
3. Later, the bottle is moved into a warm place (the temperature variation is over 25ºC.). The air in the
bottle warms and the internal pressure increases.
4. When the bottle cap is removed, internal air pressure pops off the inner cap.
Note: There is no problem for toner bottles that have been stored at normal room temperatures.
SOLUTION:
The toner bottles have been modified to change opening process. (Effective date: the end of January 2002).
ACTION:
1. When moving toner bottles from a very low temperature environment, store the bottles in the office more
than 1-day prior to use. This will allow the bottle's internal pressure to equalize with the atmospheric
pressure.
2. If it is not possible to take the above action, please perform the following steps prior to installing the
toner bottle.
1) Hold the toner bottle upright. (Do not shake it.)
2) Loosen the bottle cap (do not remove the cap completely at this time) and hold the cap over 20 seconds
(to prevent the cap from coming off).
3) Remove the cap and inner cap slowly. (to reduce the air pressure in the toner bottle)
4) Reinsert the inner cap in the bottle and then install the bottle in the machine.
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