Image Processor Normal Indicators - Tektronix PHASER 560 Service Manual

Image processor normal indicators

Image processor hard and soft error indicators
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There are three indications that the print engine and its image processor are
powered-up and operating normally: the front panel POWER LED is on
(steady), Ready is displayed on the front panel LCD display and the image
processor health light is blinking (the flashing health light is viewable through a
small hole in the rear panel of the image processor board).
When the printer is receiving or processing data, the front panel displays the
messages Receiving Data and Processing Data . The message Waiting
for Data may also be displayed periodically.
Image processor hard errors are self-test failures that would prevent the printer
from printing a page. Hard errors cause the rear panel health light to stop
blinking and remain on or off . Also, the front panel ERROR light illuminates and
the LCD display a failure code and message.
Soft errors are errors that occur during the normal power-up self-test that, while
limiting the printer, would not stop the printer from printing. A message
regarding the soft error would then be printed on the startup page (even if the
startup page had been turned off). Soft errors include failures of the expansion
SIMMs, as well as the SCSI, serial, LocalTalk, parallel, and Ethernet ports.
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Checks and Adjustments
9-5
Service Manual