Oki C3200n, Service Manual

Page: 192 / 262

Oki Data CONFIDENTIAL
42615101TH Rev.8
192 /
(1-5)“RAM CHECK” or “INITIALIZING” are displayed
The operation panel display
Confirm that an option RAM
DIMM/HDD is used for a CU
board
Confirmation Tasks
Keep "RAM CHECK" or "INITIALIZING" displaying.
Confirm that it operates without RAM DIMM or HDD.
Check half connection or incomplete plug-in.
Confirm RAM-DIMM or HDD is an OKI model.
Action at NG
Change ROM DIMM of
CU or CU board.
Correct the insert
condition of DIMM.
Exchange an option as
required.
(1-5-1)The operation panel display freezes
Confirmation Items
(1-6)A wrong operation panel display
The operation panel display
Confirmation Tasks
The first line is shown by a wrong and dilute black display and
the second line is not displayed at all.
Action at NG
Upgrade a version of
PU firm to a 01.02.02
version and later.
(1-6-1)A wrong operation panel display
Confirmation Items
7.5.2.(2) Irregular Operation of the device after turning on the power
(2-1)No operation
AC Power which is offered to
the printer
The voltage setting of the low
voltage power unit
(100V series /230V series)
3.3V power, 5V power and
24V power which are offered
to a PU board (PRN PCB)
Connection status of the
operation panel
(2-1-1)Confirm the power systems
(2-1-2)Confirm connection systems
Confirmation Items Confirmation Tasks
Check Supply voltage of AC power.
The measurement of the supplied AC voltage.
Check the power setting of the device being used.
(Check a short plug for change of the low voltage setting[CN5].
Short plug with/ without=100V series/ 230V series)
Check the power with POWER connector of the PU board
(PRN PCB).
4,5,6pin:24V
7,8,9pin:5V
10,11,12pin:3.3V
13,14,15,16,17pin:0VL
1,2,3pin:0VP
Confirm the content of (1-1).
The device does not operate until the operation panel is
detected and starts.
Action at NG
Supply AC power.
Adjust the low voltage
power setting.
Change of the low
voltage power.
Follow the content of
(1-1).