Brother HL-5250DN series Service Manual - Page 9

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Also for Brother HL-5250DN series: Quick Setup Manual (34 pages), Brochure & Specs (4 pages), Installation Manual (17 pages), Quick Setup Manual (23 pages), Service Manual (9 pages)

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CHAPTER 4

INTRODUCTION

1.1

Initial Check

(1) Operating environment

(2) Print paper

(3) Consumable parts

fineline6

TROUBLESHOOTING

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.

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

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

HL-5240/5250DN/5270DN/5280DW SERVICE MANUAL

3.6 "Paper" in Chapter

1. "CONSUMABLE PARTS" in