Service manual

EPSON LX-300+ Revision A
Operating Principles Printer Mechanism (M-3M10) 46
The following table shows the various carriage speed modes.
Table 2-4. Carriage Speed Mode
Carriage
speed
mode
CR drive
frequency
[Hz]
Printing
mode
Phase
drive
[pps]
Current limit (A/phase) Adjacent
dot
resolution
[dpi]
Head drive
frequency
[Hz]
Printing speed
Carriage
speed mode
at power
down
High or
low
speed
printing
Front
rush
High
speed
Normal
speed
Low
speed
Rear
rush
A 3600
Color 2-2 0.79 0.79 0.70 0.70 0.70
45 1350
High speed draft
10cpi
C
{
BW 2-2 0.70 0.59 0.59 0.59 0.59
B 3375
Color 2-2 0.79 0.79 0.70 0.70 0.70
48 1350
High speed draft
12cpi
E
{
BW 2-2 0.70 0.59 0.59 0.59 0.59
C 2700
Color 2-2 0.79 0.79 0.70 0.70 0.70
60 1350
High speed draft
15cpi
Draft 10cpi
Bit image 60 dpi
F
{
BW 2-2 0.70 0.59 0.59 0.59 0.59 Draft 12cpi
D 2250
Color 2-2 0.79 0.79 0.70 0.70 0.70 1440/21 1286
High speed draft
17cpi
F
{
BW 2-2 0.70 0.59 0.59 0.59 0.59 72 1350 Bit image 72 dpi
E 1800
Color 2-2 0.79 0.79 0.70 0.70 0.70 80 1200 Bit image 80 dpi
Gx
BW 1-2 0.65 0.65 0.59 0.59 0.59 90 1350
High speed draft
20cpi
Draft 15cpi
Bit image 90 dpi
F 1350 Both 1-2 0.65 0.65 0.59 0.59 0.59 120 1350
Draft 20/17cpi
NLQ 10cpi
Bit image 120 dpi
Ix
G 1125 Both 1-2 0.65 0.65 0.59 0.59 0.59 144 1350 Bit image 144 dpi I x
H 900 Both 1-2 0.65 0.65 0.59 0.59 0.59 180 1350 NLQ 15cpi I x
I 675 Both 1-2 0.65 0.65 0.59 0.59 0.59 240 1350 NLQ 17/20cpi J x
J 450 Both 1-2 0.650.650.590.590.59 - x