Brother Laserprinter Hl 1270n User Guide

CHAPTER 1 ABOUT THIS PRINTER
1-33
More Features
The printer has the following useful features:
Sleep Mode
When the printer does not receive data for a certain period of time (timeout), it enters sleep
mode.  Sleep mode acts as though the printer was turned off.  The default timeout  is 5
minutes,  it is automatically adjusted to the most suitable time-out setting depending on the
frequency of your printer use (Intelligent Sleep Mode).  While the printer is in sleep mode, all
the LEDs are off and it is as...

1-34
Test Print Mode
The printer has the following test print modes. Follow these steps:
* 1.Make sure that the front cover is closed.
* 2.Hold down the control panel button and turn on the power switch.  Keep the button depressed
until the Drum
 LED comes on.
The Drum
 LED illuminates to indicate that the printer is in the test print mode.
* 3.Release the button and then press it again to execute the test print, or hold down the button to
select another option as shown in the table below and then...

CHAPTER 2 OPTIONS
2-1
CHAPTER 2  
OPTIONS
Optional Accessories and Supplies
This printer has the following optional accessories and supplies, and you can increase the
capabilities of the printer with these items.
Supplies
Item Information
1Toner cartridgeSee page 3-3
2Drum unitSee page 3-9
12
Item Features Information
1Lower Tray Unit Paper feeder and
250 sheet traySee page 2-2
2SIMM The memory can be expanded
up to 36 MbytesSee page 2-3
12 

2-2
The Lower Tray unit
The lower tray unit is an optional device that functions as a third paper source.  It  can hold a
maximum of 250 sheets of paper (80 g/m2).
To purchase the optional lower tray unit, please see the dealer or store where you purchased
the printer.
Fig.  2-1 Loading Paper in the Lower Tray Unit
With the lower tray unit installed, load paper in the lower paper cassette in exactly the same
way that you load paper in the upper paper cassette.
As shown below, the paper sizes that may be...

CHAPTER 2 OPTIONS
2-3
How to add extra Memory
This printer has 4 Mbytes of standard memory and a slot for optional additional memory . The
memory can be expanded up to a total of 36 Mbytes by installing a commercially available
single in-line memory module (SIMM).
Additional memory is useful and may be necessary if you are using the Page Protection
function.
It will also help if you are printing a page that is complex or at high resolution or is a complex
PostScript Document.
This printer can accept...

2-4
How to install additional SIMM memory
To install the SIMM, follow these steps:
*  1
.Turn off the power switch and unplug the AC cord from the AC outlet. Disconnect the cable
from the printer.
Fig.
 2-2  Unplug the AC Cord and Disconnect the Interface Cable 

CHAPTER 2 OPTIONS
2-5
!Caution
Be sure to turn off the power switch and unplug the AC cord to the printer before installing or
removing the SIMM to/from the main controller PCB.
*  2
.Open the Rear Paper exit cover.  Unscrew the screws securing the access cover and remove it.
Fig. 
2-3  Removing the Main Controller PCB
*  3
.Unscrew the network board securing screws and remove it.
Fig. 
2-4  Removing the Network Board 

2-6
*  4
.Unpack the SIMM and hold it by its edge.
!Caution
SIMM boards may be damaged by even a small amount of static electricity. Do not touch the
memory chips or the board surface. When handling the board and before installing or
removing it, wear an antistatic wrist strap, or frequently touch the surface of the antistatic
package or bare metal on the printer.
*  5
.Install the SIMM into the slot at an angle and then gently push it toward the vertical until it
clicks into place.
Fig.
 2-5  Install...

CHAPTER 3  MAINTENANCE
3-1
CHAPTER 3  
MAINTENANCE
The following are maintenance messages that appear on the LEDs. These messages prompt
you to replace each of the consumables before they run out.
LED Maintenance
MessageConsumable to
ReplaceApproximate Life How to
Replace
Toner empty
Ready
Alarm Paper
Toner
Data
Drum
Toner cartridge 3,000 pages *
(Standard toner
cartridge)
6,000 pages *
(High Capacity toner
cartridge)See 3-3
Drum life
Drum
Ready
Alarm
Paper
Toner
Data
Drum unit Up to 20,000 pages *See 3-9 

3-2
Periodic maintenance parts
To maintain print quality, the parts listed below should be replaced after printing the following
number of pages.
Item Approximate Life To purchase replacement
Fixing unit 50,000 pages * Call Customer Support, see
page ix
Separator pad holder
assembly50,000 pages * Call Customer Support, see
page ix
Pick up roller
assembly50,000 pages * Call Customer Support, see
page ix
* The actual number of printed pages may vary depending on your average type of
   print job and type...