Tests And The Control Panel - Printronix p4280 Setup Gudie

Shuttle Slow Test
Shuttle Fast Test
Phasing Test
Burn–In Test

Tests and the Control Panel

The steps on the next page show you how to run a diagnostic test.
With the exception of the shuttle speed test, if you press UP, NEXT, or
PREV while a test is printing, the test will stop and slew to the next
top–of–form .
Diagnostics and Fault Messages
Verifies proper operation by exercising shuttle and
ribbon motion at low speed.
Verifies proper operation by exercising shuttle and
ribbon motion at fast speed.
A timing parameter used by service personnel to
adjust vertical alignment of dots in character
printing.
Use of this test is not recommended. This test is used
by the printer manufacturer to burn in the printer
prior to shipment, and has no value as a maintenance
tool.
IMPORTANT
4–3