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

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