Toshiba e-STUDIO 20CP Service Manual page 95

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Printer does not recognize that one or more output options as being
installed.
Step
Actions and Questions
1
Excessive static electricity buildup - Check the output
expander Control Board cover to make sure the ESD brush
ground lead is firmly attached to the output expander frame.
Also check to make sure the ESD is loose or damaged.
Is the ESD Brush ground cable correctly installed and the
ESD brush not loose or broken?
2
Options Check - Note: If more than a single output
expander 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 expander options then
the base printer autoconnect system is operating correctly
and the problem is in the unrecognized expander option.
Check to 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?
3
Output Expander Assembly Mechanical Linkage (Cables) -
Check the output expander 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?
4
Output Expander Assembly Mechanical Linkage (Electrical)
Check the cables at J1A, J1B, J2A and J2B on the Control
Board to make sure they are attached securely and
correctly.
Are the cables attached securely and correctly?
5
Voltage check - Base printer autoconnect connector - Turn
the power off and remove the output expander option from
the printer and check the voltages on the base printer top
autoconnect connector. Go to "Autoconnect - Top".
Are the voltages correct?
6
Voltage Check - Output Expander System Board - Reinstall
the output expander option and check the voltages at J1A
and J1B on the connector.
Are the voltages correct?
2-58
Service Manual
5060-XXX
Yes
Go to Step 2
Go to Step 3
Replace the
Autoconnect
Cable
Go to Step 5
Go to Step 6
Replace the
Output
Expander
Option System
Board
No
1. Attach the
ground cable
if not installed
correctly.
2. Replace the
cover
assembly if
the ESD
brush is loose
or damaged.
Go the
Autoconnect
system on the
Output
Expander
Option, base
printer and
check cables
and
connections to
the Engine
Board.
Go to Step 4
Reseat the
cables
The problem
is in the base
printer. Check
autoconnects
in the printer.
Replace the
Output
Expander
Option
Mechanical
Linkage
Assembly.

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