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Operation
Cleaning
Always use an industrial vacuum cleaner with a grounded suction tube, rubber
nozzle and filter set for fine dust. An explosion-proof industrial vacuum cleaner must
be used for large toner quantities because there can be a high build-up of static
charge when draining toner spill.
When cleaning the printing system, observe the instructions in the following sections
as well:
Cleaning the printing system — overview on page 250
Cleaning agents and devices, cleaning intervals on page 252
Foreign bodies, noises
Ensure that no objects (e. g. necklaces, paper clips or staples, coins, etc.) or liquids
enter the printing system, as this could cause electrical shocks or short circuits. Do
not place objects on the printing system, and especially do not place containers with
fluid, such as drinking bottles, glasses, cups or vases on top of or in the immediate
vicinity of the printing system.
Should the printing system emit any unusual or noticeable noises or smells, power
off the printing system and contact your Service engineer.
Cooling, heat, emissions
Do not obstruct the cooling ducts. Failure to do so may result in overheating or
combustion while the device is in operation.
Ensure that there is an adequate supply of cool and fresh air in the printing system
assembly room (see
Do not obstruct the operating and service clearance areas in any way by means of
other devices or objects.
During operation, the inner area of the fuser module in the printing system becomes
very hot (greater than 500°C/932°F). Before doing any work on or around the fuser
module always allow it to cool down for the specified length of time. Failure to
observe the directives in this documentation could result in burns.
The ozone produced when the photoconductor and transfer belts are loaded is
suctioned off within the printing system and then transformed into oxygen through
a catalytic filter system. The life cycle of the filter system is designed so that it does
not have to be replaced during the lifetime of the printing system.
In print operation the ozone concentration is
concentration (MAC) of 0.1 ppm (0.2 mg/m3). With proper ventilation, harmful
38
Chapter 2 Security
Cooling and fresh air, air purity on page
below the maximum allowable work place
454).
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