Brother MFC 9420CN User Manual

Chapter D
D - 3
Putting paper in the lower tray unit
After you have installed the lower paper tray, 
you can put paper in it the same way you put 
paper in the upper paper tray.
SO-DIMM (Memory)
The memory board is installed on the main 
controller board inside the machine. When 
you add the optional memory board, it 
increases the performance for both copy and 
print operations.
The machine has 64 MB of standard memory 
and a slot for optional additional memory. The 
memory can be expanded up to a total...

Optional accessories
D - 4
D
Installing additional memory
1Turn off the machines power switch.
2Unplug first the telephone line cord from 
the telephone wall jack, and then unplug 
the power cord from the AC power 
outlet. 
3Unscrew the screw holding the side 
cover, and then slide the side cover to 
remove it.
4Unscrew the screw holding the metal 
shield plate, and then remove the metal 
shield plate.
5Unpack the SO-DIMM and hold it by the 
edges. 
WARNING
Make sure you turn the machine OFF 
and unplug...

Chapter D
D - 5
6Hold the SO-DIMM with your fingers on 
the side edges and your thumb on the 
back edge. Align the notch on the 
SO-DIMM with the protrusions with the 
SO-DIMM slot. (Check that the locks on 
each side of the DIMM slot are open or 
facing outwards.)
7Press the SO-DIMM straight into the slot 
(press firmly). Make sure the locks on 
each side of the SO-DIMM click into 
place. 
Note
To remove the SO-DIMM, open the retaining 
clips on both sides of the SO-DIMM by 
pushing them outward, grasp...

E - 1
E
E
Product description
General
Specifications
Memory Capacity64 MB (expandable to 576 MB)
ADF (automatic document 
feeder)Up to 35 pages
Temperature: 68°F - 86°F (20°C - 30°C)
Humidity: 50% - 70%
Paper: 20 lb (80 g/m
2) Letter
Paper Tray250 Sheets (20 lb (80 g/m
2))
Printer TypeLaser
Print MethodElectrophotography by semiconductor laser beam scanning
LCD (Liquid Crystal Display)16 characters x
 2 lines 
Power Source120V AC 50/60Hz
Power ConsumptionCopying: Average 615 W
Sleep: Average 16 W...

Chapter E
E - 2
Print media
WeightWithout OPC belt/Toner cartridges: 76.7 lb (34.8 kg)
NoiseOperating:  LWAd = 6.7 bels or less
Standby:  LWAd = 5.4 bels or less
TemperatureOperating: 50°F - 90.5°F (10 - 32.5°C)
Storage:  32°F - 104°F (0 - 40°C)
HumidityOperating:  20 to 80% (without condensation)
Storage:  10 to 90% (without condensation)
Paper Input Paper Tray
■Paper type:
Thin, Plain, Thick, Thicker, Recycled paper or Transparencies1 
■Paper size:
Letter/A4, Legal, Executive, A5, B5, COM10 and DL
For...

Specifications
E - 3
E
Fax
CompatibilityITU-T Group 3
Coding SystemMH/MR/MMR/JPEG
Modem SpeedAutomatic Fallback:  33600 bps
Document SizeADF Width: 5.8 to 8.5 in. (147.3 to 215.9 mm)
ADF Height: 5.8 to 14 in. (147.3 to 356 mm)
Scanner Glass Width: Max. 8.5 in. (215.9 mm)
Scanner Glass Height: Max. 11.7 in. (297 mm)
Scanning WidthMax. 8.2 in. (208 mm)
Printing WidthMax. 8.2 in. (208 mm)
Gray Scale256 levels
Polling Types Standard, Sequential
Contrast ControlAutomatic/Light/Dark (manual setting)...

Chapter E
E - 4
Copier
Color/BlackColor/Black
Document Size ADF Width: 5.8 to 8.5 in. (147.3 to 215.9 mm)
ADF Height: 5.8 to 14 in. (147.3 to 356 mm)
Scanner Glass Width: Max. 8.5 in. (215.9 mm)
Scanner Glass Height: Max. 11.7 in. (297 mm)
Copy SpeedColor
Up to 8 pages/minute (Letter/A4 paper)
1
Black
Up to 31 pages/minute (Letter/A4 paper)1
First CopyApprox. 20 seconds (Black)
Approx. 30 seconds (Color)
Multiple CopiesStacks or Sorts up to 99 pages
Reduce/Enlarge25% to 400% (in increments of 1%)...

Specifications
E - 5
E
Scanner
Color/BlackColor/Black
TWAIN CompliantYes (Windows
® 98/98SE/Me/2000 Professional/XP/Windows NT® 
Workstation Version 4.0)
Mac OS
® 9.1 - 9.2/Mac OS® X 10.2.4 or greater
WIA CompliantYes (Windows
® XP)1
Color Depth48 bit color processing (Input)
24 bit color processing (Output)
ResolutionUp to 9600 x
 9600 dpi (interpolated)
Scanner glass: Up to 1200 x
 2400 dpi (optical)
ADF: Up to 1200 x 600 dpi (optical)
Document Size ADF Width: 5.8 to 8.5 in. (147.3 to 215.9 mm)
ADF...

Chapter E
E - 6
Printer
Interfaces
 
EmulationsBrother Printing System for Windows®
PCL6
BR-Script 3 (PostScript® 3™ Emulation)
Printer DriverWindows
® 98/98SE/Me/2000 Professional/XP/Windows NT® 
Workstation Version 4.0 driver supporting Brother Native 
Compression mode and bi-directional capability
Brother Color Driver 
for Mac OS
® 9.1 - 9.2/Mac OS® X 10.2.4 or greater
Resolution600 x 600 dpi (Max. 2400 dpi class)
Print QualityNormal printing mode
Economy printing mode (Toner Save mode)
Print SpeedUp...

Specifications
E - 7
E
Computer requirements
Minimum System Requirements and Supported PC Software Functions
Computer Platform & 
Operating System VersionSupported PC 
Software 
FunctionsPC 
InterfaceMinimum ProcessorMinimum 
RAMRe comme nde d 
RAM
Available Hard Disk 
Space
for 
Drivers
for 
Applications
Windows® 
Operating 
System98, 98SE
Printing, 
Scanning1, 
PC Fax2,4
USB, 
Parallel, 
Ethernet
Pentium
®II 
or 
equivalent32 MB 128 MB
90 MB 130 MB MeUSB, 
Parallel, 
Ethernet
NT® Workstation...