Basic Procedure; Consumable Parts; Drum Unit; Toner Cartridge - Brother HL-1070 Service Manual

If condensation has occurred, wipe the effected units or parts with a dry cloth.
If the drum unit is unpacked soon after it is moved from a cold room to a warm room,
condensation may occur inside the unit, which may cause incorrect images. Instruct the
user to allow the unit to come to room temperature before unpacking it. This will take one
or two hours.
1.2

Basic Procedure

If a malfunction or incorrect print appears, make an initial check following the basic
procedure below:
(1)
(2)
2.

CONSUMABLE PARTS

2.1

Drum Unit

The Drum lamp is on when the drum unit is nearly at the end of its life.
Life expectancy:
Note:
2.2

Toner Cartridge

Toner low:
Toner empty:
Life expectancy:
Note:
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Check the error lamps following the inspection proc edure described later in
this section. If no error lamps are lit, see Section 4 for troubleshooting information.
If any defective image output is found, follow the image defect fault descriptions in
this section.
20,000 pages at 20 pages per job
8,000 pages at 1 page per job
There are many factors that determine the actual drum life, such as
temperature, humidity, type of paper and toner that you use, the number of
pages per print job, etc..
The Data and Alarm lamps blink once every five seconds.
The Data and Alarm lamps blink once every second.
2,400 pages/a new toner cartridge
(when printing A4- or letter-size paper at 5% print coverage)
Toner life expectancy will vary depending on the type of average print job
printed.
IV-2