Chapter 4 Troubleshooting; Introduction; Initial Check - Brother HL-5240 Service Manual

CHAPTER 4
1.

INTRODUCTION

1.1

Initial Check

(1) Operating environment
Check if :
• The source voltage stays within ±10% from the rated voltage shown on the rating plate.
• The printer is installed on a solid, level surface.
• The room temperature is maintained between 10°C and 32.5°C. The relative humidity
is maintained between 20% and 80%.
• The printer is not located in a dusty place.
• The printer is not exposed to ammonia fumes or other harmful gases.
• The printer is not located in a hot or humid area (such as near water or a humidifier).
• The printer is not exposed to direct sunlight.
• The room is well-ventilated.
• The printer is not placed where the ventilation hole of the printer is blocked.
(2) Print paper
Check if :
• A recommended type of print paper is being used. [If the paper is too thick or too thin,
or tends to curl, paper jams or paper feed problems may occur, or printed images may
be blurred.]
• The print paper is damp. [If so, use fresh paper, and check whether the print quality
improves or not.]
• The print paper is short-grained paper or acid paper. [If so, print quality problems may
occur.]
For further information on paper, refer to
(3) Consumable parts
Check if :
(HL-5240/5250DN)
• The LEDs on the printer control panel indicate "Toner Life End". If the LEDs indicate
"Toner Life End", replace the toner cartridge with a new one.
(HL-5270DN/5280DW)
• The LCD shows "TONER LIFE END" the printer has run out of the toner is not evenly
distributed inside the cartridge.
For further information on consumable parts, refer to
Chapter 3.
TROUBLESHOOTING
HL-5240/5250DN/5270DN/5280DW SERVICE MANUAL
3.6 "Paper" in Chapter
1. "CONSUMABLE PARTS" in
4-1
1.
Confidential