Function To Prevent Irregular Printing; Initialization; Hardware Initialization; Software Initialization - Epson Stylus Pro 7600 Service Manual

EPSON Stylus Pro 7600/9600

1.4.8 Function to prevent irregular printing

Strong cancel data
When 16KB DC1 is sent to the head of each job, the printer performs a special
initialization operation.
Refer to

"1.4.9 Initialization

(p.86)" for this initialization operation.
Skip reading of irregular data
Unprintable characters
It doesn't print characters including ASCII code with text print mode.
Table 1-50. Unprintable hexadecimal code (Control character code)
Code Character Code
00h NULL 10h
01h SOH 11h
02h STX 12h
03h ETX 13h
04h EOT 14h
05h ENQ 15h
06h ACK 16h
07h BEL 17h
08h BS 18h
09h HT 19h
0Ah NL (LF) 1Ah
0Bh VT 1Bh
0Ch NP (FF) 1Ch
0Dh CR 1Dh
0Eh SO 1Eh
0Fh SI 1Fh
NOTE: 0Ah, 0Ch, 0Dh, 11h, and 1Bh are ESCP command supported by the
printer. The printer judges the command and decides to print it.
Job timeout
Refer to "1.4.3.10 Job Timeout Setting
Product Description
Character Code Character
DLE 7Fh DEL
DC1 - -
DC2 - -
DC3 - -
DC4 - -
NAK - -
SYN - -
ETB - -
CAN - -
EM - -
SUB - -
ESC - -
FS - -
GS - -
RS - -
US - -
(p.42)".
1.4.9 Initialization
There are three kinds of initialization method.

1.4.9.1 Hardware initialization

This printer is initialized when power to the printer is turned on.
For initialization, printer operates as follows:
Initializes printer mechanism.
Clears input data buffer.
Clears print buffer.
Sets default values.

1.4.9.2 Software initialization

The printer is initialized also by the ESC @ command.
For initialization, printer operates as follows:
• Clears print buffer.
• Sets default values.
Cancel enhancement data(DC1×16kbyte) initializes the printer.
For initialization, printer operates as follows:
Clears print buffer.
•
Sets default values.
•
Immediately cut only when some printing remain on the paper.
•

1.4.9.3 Panel initialization

The printer is initialized when the Pause button is pressed for more than 3 seconds, or
the printer recognizes the -INIT signal.
For initialization, printer operates as follows:
Eject a paper. (If roll paper, it cuts paper skipping print part when Paper
Source = Auto Cut, it doesn't cut when Paper Source = Cutter Off with
SelecType)
Cap the print head.
Clears input data buffer.
Clears print buffer.
Sets default values.
Operating Panel
Revision A
86