Miscellanea; Receive Data Buffer Full Operation; Panel-Less Control & Status Indication; Error Indication On Status Monitor 3 - Epson STYLUS COLOR 480 Service Manual

EPSON Stylus COLOR 480

1.3.4 Miscellanea

1.3.4.1 Receive Data Buffer Full Operation

Generally, hosts abandon data transfer to peripherals when a peripheral is in busy state
for dozens of seconds continuously. In order to prevent the long busy status, printer
start receive the data every 1 second when the reset of the input buffer become less than
several hundreds of bytes. The printer will be in busy state continuously when the input
buffer finally gets full. This operation is not IEEE 1284.4 protocol
.
Product Description
1.3.5 Panel-less control & Status Indication
On this product, the control panel is not assembled in. So, Printer driver utility (STM39
allows to control the printer operation instead of the Control panel and indicates the
printer status include the several errors.

1.3.5.1 Error Indication on Status Monitor 3

Following printer status is displayed in the STM3 (Status monitor 3).
o
Ink End/Low Error
When the printer is in the ink end or low condition, the STM3 displays the status.
If the "How to" button is clicked, the Ink Cartridge Replacement Utility runs and it
reads the ink cartridge replacement procedure step by step.
Interface Specification
Figure 1-9. Ink low error indication
Figure 1-10. Ink out error indication
Revision B
25