Brother HL-S7000DN Series, Service Manual

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2-2
Confidential
1.2 Initial Check
Check the following items before attempting to repair the machine.
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Operating environment
(1) Put your machine on a level (inclination of 3 degrees or less), stable surface such as a
desk that is free of vibration and shocks.
(2) Use the machine in a well-ventilated room; use the machine within the following ranges of
temperature and humidity: temperature between 10 °C and 32.5 °C (50 °F to 90.5 °F),
and the relative humidity is maintained between 20 % and 80 %.
(3) Ensure the machine is not exposed to direct sunlight, excessive heat, moisture, or dust.
(4) Keep the machine horizontal when you carry it.
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Power supply
(1) The AC input power supply described on the rating plate of the machine should be within
±10 % of the rated voltage.
(2) The AC input power supply is within the regulated value.
(3) The cables and harnesses are connected correctly.
(4) The fuses are not blown.
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Paper
(1) A recommended type of paper is being used. (Refer to "1.5.2 Media specifications" in
Chapter 1 .)
(2) The paper is not damp.
(3) The paper is not short-grained paper or acid paper.
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Consumable parts
(1) The ink cartridge is installed correctly.
■ Others
(1) Condensation
When the machine is moved from a cold place into a warm room, condensation may
occur inside the machine, causing problems.
(2) Low temperature
The motor may not drive normally under the low temperature environment. This is due to
there being too much load to drive each unit. In this case, increase the room temperature.
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Cleaning
Use a soft dry lint-free cloth.
DO NOT use flammable substances, any type of spray or any organic solvent/liquids
contains alcohol or ammonia to clean the inside or outside of the machine. Doing this may
cause a fire or electrical shock.