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Step
Symptoms
10
990 Service Error
The printer does not recognize one or more output options as installed.
Note: If more than a single output option is installed, check each one to see if the printer recognizes any single
option as being installed. If the printer recognizes any of the output options then the base printer autoconnect
system is operating correctly and the problem is in the unrecognized option. Continue with this service check or
go to service check of the failing output option.
Step
Action and questions
1
Options—make sure that the output expander option is
the only output option that is not recognized by the
base printer.
Is this the only output option not recognized by the
base printer?
2
Mechanical linkage (tables)—check the 5-bin mailbox
autoconnect cable and connector for any signs of
damage, especially the connector pins.
Is there any signs of damage to the cable, connector,
or connector pins?
3
Mechanical linkage (electrical)—make sure the
autoconnect cables are connected correctly to the
control board.
Are the cables attached securely and correctly?
4
Voltage check, base printer autoconnect connector—
turn the power off and remove the 5-bin mailbox option
from the printer. Check the voltages on the base printer
top autoconnect connector. Go to autoconnect - top.
Are the voltages correct?
5
Voltage check, 5-bin mailbox system board—reinstall
the 5-bin mailbox option and check the voltages at J1A
and J1B on the connector.
Are the voltages correct?
Yes
No
Go to
"990
Call your next level
Service error" on
support
page 2-101
Yes
No
Go to step 2
Check the
autoconnect
system in base
printer
Replace the
Go to step 3
Autoconnect cable
Go to step 4
Reseat the cables
Go to step 5
Check the
autoconnects in
the printer
Replace the output
Replace the output
expander option
expander option
system board
mechanical linkage
assembly
Diagnostic information
5060-00x
2-105
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