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Oki Data CONFIDENTIAL
44043511TH Rev.2
200 /
When “Communications Error” appears on the display panel, this message is displayed with
the PU. This indicates a problem has occurred in the AS3 board during its initialization.
In such a case, open the sheet metal of the CU board and check the lit LED on the AS3
board to locate the problem.
The LED mounted on the AS3 PCB come in the following types. The description of the cas-
es when they do not light up normally are described below.
PWR_GOOD (Green): This indicates the power status of the AS3 PCB. It lights up when
the various power output sources (CPU core voltage, 2.5V, 3.3V,
5V0 of the AS3 PCB are normal. If it does not light up, disassem-
ble the RAM_DIMM and HDD. Check to see if it will lightup in this
state.
DIAG_LED[3: 0] (Red): This indicates the initialization processing state of the AS3 PCB. It
will all lightup immediately after the power is turned ON. It will all
dim down when the initialization process is successfully completed.
If all lights do not dim, then there is a CU PCB malfunction. If all
lights do not dim, then disassemble the RAM_DIMM and HDD.
Check to see if it will lightup again in this state.
HDD_LED (Red):
This lights up when accessing the HDD. If it does not start flash-
ing even after the power is turned ON, replace the HDD and check
to see if the problem is corrected. Check to see that the download
switch is facing upward.
FPGA_LED (Green): This lights up when communication is enabled between the engine
and panel interface. If it does not lightup, then disassemble the
RAM_DIMM and HDD. Check to see if it will lightup again in this
state.
* When the HDD is not correctly recognized or when the down-
load switch is in the down position, DIAG_LEDs 2 and 0 are
on and DIAG_LED 1 is out.
Summary of Contents for C910
Page 1: ...Oki Data CONFIDENTIAL Model X Maintenance Manual 032007A...
Page 13: ...Oki Data CONFIDENTIAL 44043511TH Rev 2 12 6 Finisher Unit 5 Tray except for China...
Page 94: ...Oki Data CONFIDENTIAL 44043511TH Rev 2 93 4 2 Parts Layout MAIN ViewA Next page C910 Only...
Page 95: ...Oki Data CONFIDENTIAL 44043511TH Rev 2 94 600dpi 1200dpi Air Flow Air Flow Air flow ViewA...
Page 96: ...Oki Data CONFIDENTIAL 44043511TH Rev 2 95 Printer Unit 120V 230V 1 2 See next page...
Page 97: ...Oki Data CONFIDENTIAL 44043511TH Rev 2 96 Printer Unit 120V 230V 2 2 A A...
Page 98: ...Oki Data CONFIDENTIAL 44043511TH Rev 2 97 Plate Assy Power_120V 230V...
Page 99: ...Oki Data CONFIDENTIAL 44043511TH Rev 2 98 Base Assy 1 2...
Page 100: ...Oki Data CONFIDENTIAL 44043511TH Rev 2 99 Base Assy 2 2 A A...
Page 101: ...Oki Data CONFIDENTIAL 44043511TH Rev 2 100 Side R Assy...
Page 102: ...Oki Data CONFIDENTIAL 44043511TH Rev 2 101 Side F Assy C910 Only...
Page 103: ...Oki Data CONFIDENTIAL 44043511TH Rev 2 102 Duct Drive Assy...
Page 104: ...Oki Data CONFIDENTIAL 44043511TH Rev 2 103 FDR Unit Regist A A C C B B...
Page 105: ...Oki Data CONFIDENTIAL 44043511TH Rev 2 104 FDR Unit MPT A A 2...
Page 106: ...Oki Data CONFIDENTIAL 44043511TH Rev 2 105 Eject Assy...
Page 107: ...Oki Data CONFIDENTIAL 44043511TH Rev 2 106 Plate Top Assy...
Page 108: ...Oki Data CONFIDENTIAL 44043511TH Rev 2 107 Job Offset Assy...
Page 109: ...Oki Data CONFIDENTIAL 44043511TH Rev 2 108 Basket Assy...
Page 119: ...Oki Data CONFIDENTIAL 44043511TH Rev 2 118 Plate Top...