Brother MFC-J6510DW, Service Manual

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2-2 Confidential
2.1.2 Initial Check
Prior to proceeding to the troubleshooting procedures, make the following initial checks:
Environmental conditions
Check that:
(1) The machine is placed on a flat, firm surface.
(2) The machine is used in a clean environment at or near normal room temperature (10
°
C to
35
°
C) with normal relative humidity (20 to 80%).
(3) The machine is not exposed to direct sunlight, excessive heat, moisture, or dust.
Power requirements
Check that:
(1) The power supply specified on the rating plate on the machine is used. The supply voltage
stays within the rating ±10%.
(2) Each voltage level on AC input lines and DC lines is correct.
(3) All cables and harnesses are firmly connected.
(4) The fuses are not blown.
Recording paper
Check that:
(1) A recommended type of recording paper is used. (Refer to Chapter 1, Section 1.11
"PAPER." )
(2) The recording paper is not dampened.
Ink cartridges
(1) Check that all of four ink cartridges are loaded.
Head/carriage unit
(1) Repeat the purge operation (Function code 76) several times. (Refer to Chapter 5, Section
5.1.4.27 .)