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Brother International HL 1240 Users Manual - English - Page 72

Cleaning the printer interior and Drum Unit, Warning

UPC - 012502600855

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Cleaning the printer interior and Drum Unit Note Clean the printer interior and the drum unit using information in the following instructions. This is also shown in the instructional video on the supplied CD-ROM. 1. Turn off the power switch and unplug the power cord. Warning • There are high voltage electrodes inside the printer. Before cleaning the printer, make sure you have turned off the power switch and unplugged the power cord from the outlet. Fig. 3-19 Turning off the switch and unplugging 2. Open the front cover of the printer. 3. Take the drum unit assembly out of the printer and put it to one side. 3-16

Section	Page
TABLE OF CONTENTS	2
Definitions of Warnings, Cautions, and Notes	6
To Use the Printer Safely	6
Shipment of the Printer	7
CHAPTER 1 ABOUT THIS PRINTER	9
What is included in the carton	9
Components	9
About your printer	10
Features of your printer	11
What printer options are available	15
Place the printer	16
Power Supply	16
Environment	16
System Requirements for the Brother Printing Solution for Windows	17
What kind of paper can I use	18
Media Type	18
Paper Specification	18
Paper Capacity	19
Recommended Paper	19
Remarks	20
Cut Sheet	20
Labels / Transparencies	20
Special Paper	21
Envelopes	22
Printable Area	22
How to load paper into the Paper Cassette	23
How to load a sheet of paper manually	26
To print on thicker paper and card	30
How to print on both sides of the paper (Manual Duplexing)	32
To print on both sides of the paper from the paper cassette	33
To print on both sides of the paper from the manual feed slot	34
What do the LED indications mean	35
Ready (Paper) LED indications	36
Data (Toner) LED indications	37
Drum LED indications	39
Alarm LED indications	39
Control Panel Button Operations	40
Other Control Features	41
Sleep Mode	41
Test Print Mode	42
CHAPTER 2 OPTIONS	43
Optional Accessories and Supplies	43
The Lower Tray unit (For HL-1250 Only)	44
How to use the SERIAL INTERFACE (RS-100M) Connection (For HL-1250 Only)	45
How to select the RS-422A (Apple) or RS-232C (IBM) Serial Interface (For HL-1250 Only)	46
How to set the Serial Interface Parameters	47
RS-100M Interface Connector	49
How to connect the Serial Interface Cable	50
What is the Brother print server (NC-2010p)	52
Features	52
How to add extra Memory (For HL-1250 Only)	53
How to install additional SIMM memory	54
CHAPTER 3 MAINTENANCE	57
Periodic maintenance parts	58
How to replace the Toner Cartridge	59
How to replace the Drum Unit	65
How to clean the printer	70
Cleaning the printer exterior	70
Cleaning the printer interior and Drum Unit	72
CHAPTER 4 TROUBLESHOOTING	75
Identifying your problem	75
Control Panel Indications	76
Operator calls and how to clear them	76
Service call indications	78
Error messages in the Status Monitor	80
Error message printouts	82
Paper Handling	84
PAPER JAMS and how to clear them	85
Others	90
For printing with the Serial Interface (For HL-1250 Only)	90
For DOS users	90
For Apple Macintosh Computers user	91
For iMac and Power Macintosh G3 with USB	91
Improving the print quality	92
How to print correctly	98
For DOS users	99
APPENDIX	100
Printer Technical Specifications	100
Printing	100
Functions	102
Electrical and Mechanical	103
Parallel Interface Specifications	104
USB (Universal Serial Bus) Interface	107
Symbol Sets / Character Sets	109
REGULATIONS	116