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Chapter 2 Troubleshooting; Introduction; See "Precautions For Troubleshooting And/Or Disassembly/Assembly" At The End Of Safety Information; Initial Check - Brother MFC-J3520 Service Manual

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CHAPTER 2 TROUBLESHOOTING

1

INTRODUCTION

1.1
See "Precautions for Troubleshooting and/or Disassembly/Assembly" at
the end of SAFETY INFORMATION. (Refer to page: xxi)
1.2

Initial Check

Prior to proceeding to the troubleshooting procedures, make the following initial
checks:
Environmental conditions
(1) The machine is placed on a flat, firm surface.
(2) The machine is used in clean environment with temperature (10 to 35 °C) and
humidity (20 to 80 %.)
(3) The machine is not exposed to direct sunlight, excessive heat, moisture, or dust.
(4) The machine is transported in level.
Power requirements
(1) The power requirements described in label of the machine is supplied. Its variation
is within +/-10% of the rated voltage.
(2) All cables and harnesses are firmly connected.
(3) The fuses are not blown.
Recording paper
(1) A recommended type of paper is being used (refer to
"PAPER."
(2) The recording paper is not dampened.
Consumable Parts
(1) Ink cartridge (4 colors) is correctly set.
Others
(1) Low temperature
Motor may not run correctly due to excessive load for each drive in low
temperature environment. Warm the room temperature in such case.
)
2-1
Chapter 1, Section 10
Confidential

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