Epson 4500 - Manual (Page 106)

Using the Data Dump Mode
2. If the printer is on, switch it off, then hold down the
FORM FEED
and LINE FEED buttons at the same time you turn on the printer.
3. Run any program that causes the printer to print (either an
application program or one in any programming language). Your
printer prints out all the codes sent to the printer, as shown below.
(In order to print the last line, you will have to take the printer off
line.)
1 B 4 0 1 B 5 2 0 0 1 B 7 4 0 1 1 B 5 0 1 B 7 0 0 0 . @ . R . . t . . 6 . . P . p .
2 0 2 0 5 4 6 8 6 9 7 3 2 0 6 ’ 6 E 2 0 6 5 7 8 6 1 T h i s i s a n e x a
6 D 7 0 6 C 6 5 2 0 6 F 6 6 6 1 7 4 6 1 2 0 6 4 m p l e o f a d a t a d
7 5 6 D 7 0 2 0 7 0 7 2 6 9 7 5 7 4 2 E 2 0 5 4 6 8 “ m P p r i n t o u t . T h
6 9 7 3 2 0 6 6 6 5 6 1 7 4 5 2 0 6 D 6 1 6 B 6 5 7 3 i s f e a t u r e m a k e s
0 A 2 0 2 0 2 0 2 0 2 0 6 9 5 6 1 7 3 7 9 2 0 6 6 6 F i t e a s y f o
On the left side of the printout all the codes are printed in
hexadecimal format. On the right side of the printout all printable
characters are printed, and others, such as control codes, are
represented by dots.
Using the Printer 3-27