Operator’s Guide 121
POWER-UP SEQUENCE TEST, CONTINUED
After Turning
On Printer,
Observe the
Following:
Meaning That : If Not Observed :
C.Printer chirps. Printer is mechanically
and electronically OK. (A
manual off line/on line
cycle also causes this
chirp.)
Call for service.
D.ON LINE
indicator
lights.
Printer is ready for
operation. If ON LINE does not light,
check for paper out,
paper jam, printhead
carriage obstruction. If it
flashes, close the
operator access door. If
necessary, call for
service.
HEX DUMP MODE
The hexadecimal (hex) dump mode is used for checking:
• Proper receipt of characters by the printer
• Control commands
• Nonprintable codes