User`s guide

Flowcharts and TablesTroubleshooting
Table 12. All-Black page
Step Check Result Action
1 Run the Extended Power-
On Self Test (see “Printer
Diagnostics”). Does the test
indicate a specific error?
Yes Go to the appropriate troubleshooting
table that describes the error
indicated.
2 Place probes between
J210-9 (SLO2) and
J210-10 (GND). Does the
voltage measure
approximately 0.7 V about
one second after the main
motor starts?
No
Ye s
Replace the DC controller board.
Perform the first module exchange
listed below. If the problem persists,
reinstall the original module and
perform the next exchange:
• Replace the high-voltage power
supply.
• Replace the power-supply-to-HVPS
interface board.