Checks Before Commencing Troubleshooting; Operating Environment; Power Supply; Consumable Parts - Brother DCP-L5500D Service Manual

1.2 Checks before Commencing Troubleshooting

Check the following items before commencing repairs on the machine.
 Operating environment
(1) The machine is placed on a flat, stable surface.
(2) The machine is used in a clean environment where the temperature is 10°C (50°F) to
32°C (89.6°F), and the relative humidity is maintained between 20% and 80%.
(3) The machine is not exposed to direct sunlight, excessive heat, moisture, or dust.
(4) Hold the machine level while moving it. Be sure to move or lift the machine with 2 or
more people.
 Power supply
(1) Power described on the rating label attached on the machine is supplied.
Power fluctuation 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.
 Paper
(1) The recommended type of paper is being used.
(2) The paper is not damp.
(3) Short-grained paper or acid paper is not used.
 Consumable parts
(1) The drum unit (including toner cartridge) is set correctly.
Fig. 2-1
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