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IBM Infoprint 1130/1140
Serial Port Service Check
Run the
"Serial Wrap Test" on page
Note: The Serial Wrap Test is designed to check the serial port
hardware by using a wrap plug (P/N 1329048) and invoking the
Serial Post Diagnostic Test. The test helps isolate the printer from
the serial cable and host. The test provides failure information on the
display for approximately three seconds. If the test indicates a
problem, replace the
Toner Sensor Service Check
Service Tip: Check the print darkness MENU setting before
checking the toner sensor.
This service check is intended to be used when a 929 Service Error
displays.
FRU
1
Developer Drive Assembly
2
Front Harness Cable
2-122
Service Manual
board.
system
Action
Incorrect operation of the developer
drive assembly can cause the printer
to display a 929 error code (Toner
Sensor). Check the developer drive
assembly for correct installation, any
sign of worn, loose or broken parts.
Check the toner sensor portion of
the front harness cable to make sure
it is properly seated into the toner
sensor. If correct at both the sensor
and system board (J25), check the
continuity of the cable. If incorrect,
replace the cable.
3-17.
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