Hardware Specifications; Printing Method; Printing Specifications - Epson LQ-570e Service Manual

EPSON LQ-570e/LQ-580

1.2 Hardware Specifications

1.2.1 Printing Method

o Print Method:
o Number of pins:
o Print pin arrangement:
o Print pin diameter:
o Color:
o Print direction:

1.2.2 Printing Specifications

o Print Speed and Printable Columns
Table 1-4. Print Speed and Printable Columns
Character
Printing Mode
Pitch
High speed draft 10 cpi
Draft 10 cpi
12 cpi
15 cpi
Draft condensed 17 cpi
20 cpi
LQ 10 cpi
12 cpi
5 cpi
LQ condensed 17 cpi
20 cpi
Product Description
Impact dot matrix
24 pin
12 x 2 staggered
0.20mm (0.0079 inch)
Black
Bi-direction with logic seeking
Printing Speed (cps)
Printable
Columns
Normal
80 400
80 300
96 360
120 450
137 257
160 300
80 100
96 120
120 150
137 171
160 200
NOTE: When the power supply voltage drops to the lower limit, the printer stops
printing and then starts printing the rest on the line again more slowly
than before.
NOTE: When the head temperature rises to the upper limit, the printer stops
printing. When the head temperature falls to the normal level, the printer
starts printing again more slowly than before.
o Resolution
Printing Mode
High speed draft
Draft
Draft condensed
LQ
8 pins bit image
Copy
24 pins bit image
266
200
Raster graphics
240
o Control code
300
ESC/P2 and IBM 2390 Plus emulation (Refer to 1.3.1 "Control Codes and Fonts")
171
200
66
80
100
114
133
Hardware Specifications
Table 1-5. Resolution
Horizontal Density Vertical Density
90 dpi 180 dpi
120 dpi 180 dpi
240 dpi 180 dpi
360 dpi 180 dpi
60, 80, 90 or 120 dpi 60 dpi
120 or 240 dpi 60 dpi
60, 90, 120 or 180 dpi 180 dpi
360 dpi 180 dpi
180 or 360 dpi 180 or 360 dpi
Revision C
Adjacent dot print
No
No
No
No
Yes
No
No
No
Yes
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