Oki C3200n, Service Manual

Page: 226 / 262

Oki Data CONFIDENTIAL
42615101TH Rev.8
226 /
7.5.2.(16) Fuse Cutout Error (Error 150-155)
(16-1)Fuse cutout errors
FFC connecting a PU board
(PRN PCB) with a toner
sensor board (PRT PCB)
PU board (PRN PCB)
Confirmation Tasks
Check half connection or incomplete plug-in for SSNS connector
of the PU board (PRN PCB) and of the toner sensor board (PRT
PCB). Confirm that a cord is not stuck and a cover of the cord
does not come off by FFC.
Check the connection systems and turn on the power again to
confirm the presence of errors.
Action at NG
Connect FFC
appropriately, or
exchange FFC.
Exchange a PU board
(PRN PCB).
(16-1-1)Confirm connection systems
(16-1-2)Fuse cutout circuit
Confirmation Items
7.5.2.(17) Dew Condensation Errors (Error 123)
(17-1)Dew Condensation
Connecting a PU board
(PRN PCB) with an operation
panel board (PRP PCB)
FFC connecting a PU board
(PRN PCB) with an Operation
panel board (PRP PCB)
Wide change of the
environment
Confirmation Tasks
Confirm that 9-pole FFC is correctly connected to OPE
connector of the PU board (PRN PCB).
Confirm that 9-pole FFC is correctly connected to CN connector
of the PU board (PRN PCB).
Check half connection or incomplete plug-in.
Check a disconnection with a tester. Confirm that the cover is
not removed by eyes.
Confirm that environment temperature rises at short times.
(For instance, transferring from cold climates to office
environment)
Action at NG
Plug in the cord
correctly.
Change to a normal
FFC.
Turn on the power after
placing an object in a
new environment for an
hour to acclimatize it to.
When turning on the
power, confirm that
chassis temperature of
the device becomes
about the same as a
steel plate or inside
plate.
Confirmation Items
(17-1-1)Check of the connection
(17-1-2)Environment