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5061
Step
Actions and questions
9
Check the voltage at connector J6-1 when the black
TMC switch is pressed.
Does the voltage measure approximately +3.3 V dc?
10
Check the developer HVPS to system board cable for
damage, broken connections, or wire and shorts
between adjacent pins.
Are there any signs of damage to the cable?
11
Disconnect the developer HVPS cable from connector
J6 on the system board. Measure the voltage on
connector J14-1 on the system board.
Does the voltage measure approximately 0 V dc?
956.xx service error service check
Service <xxxx> System Board
Step
Actions and questions
1
Remove all option boards from the system board. Turn
on the printer.
Does the error continue?
2
Replace each option board one at a time, making sure
the boards are properly seated. Turn the printer off and
then on between each option board to view any error
messages.
Does the error reappear?
982.xx error service check
Step
Actions and questions
1
Are the output options not recognized?
2
Remove the output option, and reinstall it on the
printer. Power on the printer.
Does this fix the problem?
3
Remove the input option, and reinstall it on the printer.
Power on the printer.
Does this fix the problem?
4
Voltage check, base printer autoconnect connector—
Turn the power off, and remove the output option from
the printer. Check the voltages on the base printer top
autoconnect connector. See
page
Are the voltages correct?
2-64
Service Manual
"Autoconnect—top" on
5-18.
Yes
No
Go to step 10
Go to step 11
Replace the
Replace the
cable.
developer HVPS
board. See
"Developer
HVPS board
removal" on
page
Replace the
Replace the
system board.
developer HVPS
See
"System
and developer
board removal"
HVPS to system
on page
4-89.
board cable.
Yes
No
Replace the
Go to step 2
system board.
See
"System
board removal"
on page
4-89.
Replace the
Problem resolved
failing option
board.
Yes
No
Go to step 2
Go to step 4
Replace the
Replace the top
output option.
option
autoconnect
cable.
Problem resolved
Go to step 4
Replace the
Replace the
output option.
bottom option
autoconnect
cable.
4-39.
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