Epson Stylus pro 7700m, Service Manual

Page: 25 / 139

1.4.4 Error Conditions
The printer can detect the various errors and indicate them with LEDs.
Table 1-17. Error Indications
Error Data LED
Paper Out
LED
No Ink
Cartridge
LED
Economy
LED
Condensed
LED
Pause
LED
Paper out Off On Off Off Off Off
No ink cartridge Off Off On Off Off Off
Paper jam Off Blinks Off Off Off Off
Maintenance request Blinks Blinks Blinks Blinks Blinks Blinks
Carriage error Blinks Off Off Off Off Blinks
1.4.5 Printer Initialization
There are three initialization methods: hardware initialization, software initialization, and panel initialization.
1.4.5.1 Hardware Initialization
Hardware initialization is performed by:
r
Turning on the printer.
r Sending the parallel interface INIT signal.
(If the INIT signal is active when the printer is turned on, hardware initialization is started when the INIT
signal becomes inactive.)
When the hardware initialization is performed:
r
The printer mechanism is initialized.
r Input data buffer is cleared.
r Downloaded character definitions are cleared.
r Print buffer is cleared.
r Default values are set.
1.4.5.2 Software Initialization
Software initialization is performed upon receipt of the control code ESC @.
When the software initialization is performed:
r
Print buffer is cleared.
r Default values are set.
The last panel settings are kept.
1.4.5.3 Panel Initialization
This printer is initialized by pressing the Load/Eject button while pressing the Alt button.
When the panel initialization is performed:
r
Input data buffer is cleared.
r Print buffer is cleared.
r Default values are set.
The last panel settings are kept.
Stylus Pro Service Manual Product Description
Rev.B 1-17