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Main
Specications
Specications
EJ-640
Printing technology
Piezoelectric inkjet
Media Width
259 to 1,625 mm (10.2 to 64 in.)
Thickness
Max. 1.0 mm (39 mil) with liner
Roll outer diameter
Max. 210 mm (8.3 in.)
Roll weight
Max. 40 kg (88 lb.)
Core diameter (*1)
76.2 mm (3 in.) or 50.8 mm (2 in.)
Printing width (*2)
Max. 1,615 mm (63.6 in.)
Ink Type
1,000-cc cartridge
Colors
Four colors (cyan, magenta, yellow, and black)
Seven colors (cyan, magenta, yellow, black, light cyan, light magenta, and light black)
Printing resolution (dots per inch)
Max. 1,440 dpi
Distance accuracy (*3)
Error of less than ±0.3% of distance traveled or ±0.3 mm (±11.8 mil), whichever is greater
Media heating system (*4)
Print heater and preheater set temperature: 30 to 45°C (86 to 113°F)
Dryer set temperature: 30 to 55°C (86 to 131°F)
Connectivity
Ethernet (100BASE-TX/100BASE-T, automatic switching)
Power-saving function
Automatic sleep feature
Power requirements
AC 100 to 120 V ±10%, 11 A, 50/60 Hz or AC 220 to 240 V ±10%, 5.5 A, 50/60 Hz
Power
consumption
During operation
Approx. 1,450W
Sleep mode
Approx. 75 W
Acoustic noise
level
During operation
62 dB (A) or less
During standby
45 dB (A) or less
Dimensions (with stand)
2,750(W) x 785(D) x 1,520 (H) mm (108 (W) x 31 (D) x 59.9 (H) in.)
Weight (with stand)
220 kg (485 lb.)
Environment Power on (*5)
Temperature: 15 to 32°C (59 to 90°F) (20°C [68°F] or more recommended), humidity: 35 to
80%RH (no condensation)
Power off
Temperature: 5 to 40°C (41 to 104°F), humidity: 20 to 80%RH (no condensation)
Included items
Dedicated stands, power cord, media clamps, media holders, replacement blade for separat-
ing knife, software RIP, User's Manual, etc.
*1
The media holders of this machine are designed to be used exclusively with media that has a paper tube (core) with
an inner diameter of 3 inches. To use 2-inch media, the optional media anges are required.
*2
The length of printing is subject to the limitations of the application software.
*3
• Media type: Media specied by Roland DG Corp.
• Temperature: 25°C (77°F), humidity: 50%
• Roll media must be loaded correctly.
• Excluding expansion/contraction of the media
• Not guaranteed when the preheater, print heater, or dryer is used.
• Assume all correction and adjustment functions of the machine have been used properly.
• Print travel: 1 m
*4
• Warm-up is required after the power is turned on. This may require 5 to 20 minutes, depending on the operating
environment.
• Depending on the ambient temperature and the media width, the set temperature may not be reached.
*5
• Operating environment
Use the machine in an operating
environment within this range.
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