Epson LQ-800 User Manual page 9

Pin numbering system . . . . . . . . . . . . . . . . . . . . . .
6-1
Calculations for pin patterns . . . . . . . . . . . . . . . . .
6-2
Pattern on grid . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6-3
Data layout for 24-pin graphics . . . . . . . . . . . . . . .
6-4
Design grids . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6-5
User-defined character . . . . . . . . . . . . . . . . . . . . . .
6-6
Calculating the data . . . . . . . . . . . . . . . . . . . . . . . .
6-7
Grids for super/subscript characters . . . . . . . . . . .
6-8
The DIP switch panels . . . . . . . . . . . . . . . . . . . . . .
A-1
Plugging the identity and font
C-1
modules together . . . . . . . . . . . . . . . . . . . . . . . . .
Installing an option cartridge . . . . . . . . . . . . . . . . .
C-2
Print head replacement . . . . . . . . . . . . . . . . . . . . . .
D-1
Removing the ribbon cables . . . . . . . . . . . . . . . . . .
D-2
Parallel interface timing . . . . . . . . . . . . . . . . . . . . .
F-1
Removing the upper case . . . . . . . . . . . . . . . . . . . .
G-1
Removing the control panel . . . . . . . . . . . . . . . . . .
G-2
Main circuit board . . . . . . . . . . . . . . . . . . . . . . . . .
G-3
Interface board mounted on main circuit board . .
G-4
viii
6-4
6-4
6-7
6-8
6-12
6-13
6-14
6-19
A-1
C-1
C-2
D-9
D-10
F-3
G-3
G-4
G-5
G-6