Printer Specifications

Hardware Specifications

Type
Desktop Page Printer
Printing System
Semiconductor laser + dry-type electrophotographic method
Toner fixing system
On-demand fixing system
Resolution
1200 dpi/600 dpi
Printing speed
(Plain paper (60 to 105 g/m²), 600dpi (Fine), when printing A4 size paper continuously)
LBP843Cx
Black and white printing:
31 pages/min. (1-sided printing)
30 pages/min. / 15 sheets/min. (2-sided printing)
Color printing:
31 pages/min. (1-sided printing)
30 pages/min. / 15 sheets/min. (2-sided printing)
LBP841Cdn
Black and white printing:
26 pages/min. (1-sided printing)
20 pages/min. / 10 sheets/min. (2-sided printing)
Color printing:
26 pages/min. (1-sided printing)
20 pages/min. / 10 sheets/min. (2-sided printing)
The print speed may drop depending on the paper settings for the size, type, orientation, and number of copies.
Warm up time
(Time from power on to printer ready)
29 seconds or less
May vary depending on the usage conditions, such as the availability of the optional accessories and installation environment.
First print time
(When performing 1-sided printing on A4 size paper and outputting face-down)
Black and white printing: 7.9 seconds or less
Color printing: 9.9 seconds or less
May vary depending on the output environment.
Paper size
Drawer 1
Standard sizes:
A3, A4, A5, B4, B5, Ledger (11x17), Legal, Letter, Executive, Foolscap, 8K and 16K
Custom paper sizes *1:
In case of portrait orientation (only when the UFR II printer driver is used): Short edges 182.0 to 297.0 mm; Long edges 182.0 to 297.0 mm
In case of landscape orientation: Short edges 148.0 to 297.0 mm ; Long edges 182.0 to 431.8 mm 
Drawer 2, 3, 4 (Optional)
Standard sizes:
A3, A4, A5, B4, B5, Ledger (11x17), Legal, Letter, Executive, Foolscap, 8K and 16K
Custom paper sizes *1:
In case of portrait orientation (only when the UFR II printer driver is used): Short edges 148.0 to 297.0 mm; Long edges 210.0 to 297.0 mm
In case of landscape orientation: Short edges 210.0 to 297.0 mm; Long edges 210.0 to 431.8 mm
Multi-purpose tray
Standard sizes:
A3, A4, A5, B4, B5, Ledger (11x17), Legal, Letter, Executive, Statement, Foolscap, 12"x18", 8K, 16K, Envelope ISO-C5, Envelope No.10, Envelope Monarch, Envelope DL and Index Card (3"x5")
Custom paper sizes *1:
In case of portrait orientation (only when the UFR II printer driver is used): Short edges 120.0 to 297.0 mm; Long edges 120.0 to 297.0 mm
In case of landscape orientation: Short edges 76.2 to 304.8 mm; Long edges 120.0 to 457.2 mm
Long sizes: Short edges 210.0 to 297.0 mm; Long edges 457.3 to 1200.0 mm

*1
Width must not be greater than length (height).
Paper capacity
Drawer 1: Approx. 250 sheets
Drawer 2, 3, 4 (Optional): Approx. 550 sheets
Multi-purpose tray: Approx. 100 sheets
2-sided printing
Standard sizes:
A3, A4, A5, B4, B5, Ledger (11x17), Legal, Letter, Executive, Foolscap, 8K and 16K
Custom paper sizes:
Short edges 148.0 to 297.0 mm; Long edges 182.0 to 450.0 mm
Paper output
Face-down
Output capacity
Approx. 250 sheets
Noise
(measured in accordance with ISO 7779, declared noise emission in accordance with ISO 9296)
LBP843Cx
LwAd (declared A-weighted sound power level (1 B = 10 dB))
During standby: Inaudible* (except fan operation soon after printing)
During printing:
Black and white printing:
1-sided printing: 6.6 B or less
2-sided printing: 6.7 B or less
Color printing:
1-sided printing: 6.7 B or less
2-sided printing: 6.7 B or less
LpAm (declared A-weighted sound pressure level (bystander position))
During standby: Inaudible* (except fan operation soon after printing)
During printing:
 
Black and white printing:
 
1-sided printing: 51 dB
2-sided printing: 51 dB
 
Color printing:
 
1-sided printing: 51 dB
2-sided printing: 52 dB
LBP841Cdn
LwAd (declared A-weighted sound power level (1 B = 10 dB))
During standby: Inaudible* (except fan operation soon after printing)
During printing:
 
Black and white printing:
 
1-sided printing: 6.6 B or less
2-sided printing: 6.5 B or less
 
Color printing:
 
1-sided printing: 6.6 B or less
2-sided printing: 6.6 B or less
LpAm (declared A-weighted sound pressure level (bystander position))
During standby: Inaudible* (except fan operation soon after printing)
During printing:
Black and white printing:
 
1-sided printing: 51 dB
2-sided printing: 50 dB
 
Color printing:
1-sided printing: 51 dB
2-sided printing: 51 dB
*
Indicates the sound pressure level of each bystander position is below the ISO 7779 absolute criteria for the background noise level.
Operating environment
(Printer unit only)
Operating environment
Temperature range: 10 to 30°C (50 to 86°F)
Humidity range: 20 to 80% RH (no condensation)
Power supply
220 to 240 V (±10%), 50/60 Hz (±2 Hz)
Power consumption (at 20°C (68°F))
LBP843Cx
Maximum: 1,420 W or less
Average during operation: Approx. 540 W
Average during standby: Approx. 22.5 W
Average during Printer Sleep Mode (Sleep Mode 1):
Wired LAN connection: Approx. 6 W
USB connection: Approx. 6 W
Average during Deep Sleep Mode (Sleep Mode 2)
Wired LAN connection: Approx. 1.5 W*
USB connection: Approx. 3 W*
When the main power switch is turned OFF: 0.5 W or less

LBP841Cdn
Maximum: 1,420 W or less
Average during operation: Approx. 530 W
Average during standby: Approx. 22.5 W
Average during Printer Sleep Mode (Sleep Mode 1):
Wired LAN connection: Approx. 6 W
USB connection: Approx. 6 W
Average during Deep Sleep Mode (Sleep Mode 2):
Wired LAN connection: Approx. 1.5 W*
USB connection: Approx. 3 W*
When the main power switch is turned OFF: 0.5 W or less
*
It is the default setting. For details on [Sleep Mode], see "Sleep Mode."
Even if the printer is turned OFF, power is still consumed slightly while the power plug is inserted in the AC power outlet.
To stop the power consumption completely, unplug the power plug from the AC power outlet.
Consumables
Toner cartridge (high capacity)
Canon Cartridge 335 Black 
Canon Cartridge 335 Yellow 
Canon Cartridge 335 Magenta 
Canon Cartridge 335 Cyan 
Toner cartridge (standard capacity)
Canon Cartridge 335e Black 
Canon Cartridge 335e Yellow 
Canon Cartridge 335e Magenta 
Canon Cartridge 335e Cyan 
For details on the yield, see "Replacement Timing" in "Consumables."
Waste toner container
WASTE TONER BOX WT-722
For details on the yield, see "Replacement Timing" in "Consumables."
Weight
Printer unit and included parts
Printer unit (excluding the toner cartridges and waste toner container): Approx. 34 kg
Toner cartridge: Approx. 1.8 kg 
Consumables and optional accessories
Toner cartridge (each standard capacity) (Canon Genuine Cartridge): Approx. 2.6 kg
Toner cartridge (high capacity) (Canon Genuine Cartridge): Approx. 2.7 kg
PAPER FEEDER PF-E1 (including the paper drawer): Approx. 11.3 kg

Controller Specifications

CPU
528 MHz + 264 MHz
Memory (RAM) capacity
LBP843Cx
1 GB
LBP841Cdn
512 MB
Host interface
LBP843Cx
USB interface:
Hi-Speed USB (3) (1 front and 2 back)
Network interface:
Shared 10BASE-T/100BASE-TX/1000BASE-T (RJ-45)
Full duplex/Half duplex
LBP841Cdn
USB interface:
Hi-Speed USB (2) (2 back)
Network interface:
Shared 10BASE-T/100BASE-TX/1000BASE-T (RJ-45)
Full duplex/Half duplex
User interface
LCD:
132 x 65 dots
F-STN liquid crystal display
LED indicator:
10
Operation key:
12 (LBP843Cx) / 10 (LBP841Cdn)
ROM slot
(LBP843Cx only)
1
SD card slot
(LBP843Cx only)
1

Software Specifications

Built-in control command
LBP843Cx
PCL6 (PCL XL), UFR II, UFR II (V4), PDF, and XPS
LBP841Cdn
PCL6 (PCL XL), UFR II, and UFR II (V4)
Built-in fonts
PCL:
LBP843Cx
93 Scalable fonts, 10 Bitmap fonts
LBP841Cdn
45 Scalable fonts, 10 Bitmap fonts
Printable area
PCL6 (PCL XL):
Data cannot be printed within a 4.2 mm margin (10 mm margin for envelopes) on all sides of the paper.
UFR II, UFR II (V4):
Data cannot be printed within a 5 mm margin (10 mm margin for envelopes) on all sides of the paper.
For details, see "Printable Area."
Network interface
Supported protocol
TCP/IP (Frame type: Ethernet II)
SMB (option) (LBP843Cx only)
Print application
LPD
RAW
IPP/IPPS
FTP
WSD
113H-0SC