Toshiba E-STUDIO2006 - Page 413

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ERROR CODE AND TROUBLESHOOTING
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[E420] PFP side cover opened during printing
Classification Error content
Cover open jam PFP side cover open jam
Proce
dure
Check item Result Measure
Next
Step
1
Is the PFP side cover
open?
Yes Remove the paper if there is any, then close
the cover.
No
2
2
Is the PFP side cover
opening/closing switch
working?
(Perform the input check
in the test mode: 03-[1]/
[D])
Yes
3
No • Check if the connector of the PFP side
cover opening/closing switch is
disconnected.
• Check if either of the connectors CN410 on
the PFP board is disconnected.
• Check if any of the connectors on the MAIN
board is disconnected.
20L/23L/25L/20H/23H/25H: CN26
23LA/23LM/28LM/23HA/28HA: CN15
• Check if the connector pins are
disconnected and the harnesses are open
circuited.
• Check if the conductor patterns on the PFP
board and MAIN board are short circuited or
open circuited.
• Replace the PFP side cover opening/
closing switch.
• Replace the PFP board.
• Replace the MAIN board.
3
Replacing board • Replace the PFP board.
• Replace the MAIN board.
Parts to be replaced Remark
PFP side cover opening/closing
switch
PFP board
MAIN board