Toshiba e-STUDIO 20CP Service Manual page 147

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The base printer does not recognize that Tray X is installed.
Step
Action and Questions
1
Is Tray x the only paper input option that is not recognized?
2
Check to make sure that the printer and any option above
Tray x is installed correctly.
Is the printer and any options installed correctly?
3
Check for correction installation of the Lower Options
Autoconnect cable to Engine Board connector J5.
Is the cable to J5 installed correctly?
4
Autoconnect Cables - Check the autoconnect from the
printer or option above Tray X. Check for any signs of cuts,
pinched wiring or damage to the contacts in the connector.
Are there any problems with the autoconnect cables?
5
Tray X Autoconnect Cable - Check the Tray X autoconnect
cable(s) for correct installation at the Tray X System board.
Are the Tray X autoconnect cable(s) connected correctly?
6
Tray X Autoconnect Cable Continuity - Check the continuity
of the Tray X Autoconnect cable(s).
Is there continuity?
7
Disconnect J5 from the engine board and check the
voltages on connector
J5 on the engine board.
The voltages should measure as follows:
J5-1: +24 V dc
J5-3: +5 V dc
J5-5: +5 V dc
J5-6: +5 V dc
J5-8: +5 V dc
All voltages are approximate values.
Are the voltages correct?
2-110
Service Manual
5060-XXX
Yes
Go to step 5
Go to step 3
Go to step 4
Repair or
replace as
necessary
Go to step 6
Go to step 7
Replace
Electronic Size
Sensing
Assembly
(Includes the
System Board)
No
Go to step 2
Install the
option
correctly and
recheck
Install the
cable correctly
and recheck
Go to step 5
Install the
cables
correctly and
recheck
Replace
Electronic
Size Sensing
Assembly
(Includes the
System
Board)
Replace the
Engine Board

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