Oki MC770 Maintenance Manual

45584901TH Rev.1
3-1 /
Oki Data CONFIDENTIAL
3. SELF-DIAGNOSTIC MODE
3.1 Overview
[A] Starting each mode
To enter the desired mode,turn the power ON while pressing two digital keys designated to
each mode (e.g. [0] and [5]) simultaneously. Hold the two keys until the [DATA] lamp is lit.
Ontheauthenticationscreendisplayedafterstartingupeachmode,entertheservicepassword,
andthenpress[OK].Thepasswordisnotsetbydefault.
Referto“Appendix”forthecodesinTestmode(03),Testprintmode(04),Adjustmentmode(05),
and Setting mode (08).
[B] Exiting from each mode
Shut down the equipment.When the power should be turned OFF, be sure to shut down the
equipmentbypressingthe[POWER]buttonforafewseconds.
[C] List of modes
Mode For start Contents For exit Display
Control panel
check mode
[0] + [1] +
[POWER]
AllLEDsonthecontrolpanelarelit,andall
theLCDpixelsblink.
[POWER]
OFF/ON
-
Test mode [0] + [3] +
[POWER]
Checks the status of input/output signals. [POWER]
OFF/ON
100% C TEST
MODE
Test print
mode
[0] + [4] +
[POWER]
Outputs the test patterns. [POWER]
OFF/ON
100% P A4
TEST PRINT
Adjustment
mode
[0] + [5] +
[POWER]
Adjusts various items. [POWER]
OFF/ON
100% A A4
TEST MODE
Setting mode [0] + [8] +
[POWER]
Sets various items. [POWER]
OFF/ON
100% D TEST
MODE
Maintenance
mode
[6]+[8]+
[POWER]
Maintains the scanner unit (SU) and printer
unit (PU)
[POWER]
OFF/ON
-
Assist mode [3]+[C]+
[POWER]
ClearserroragsorSRAM,orsafelydeletes
data in the HDD or SRAM to support the
replacementoftheCUboard,SRAMorHDD.
[POWER]
OFF/ON
-
HDD assist
mode
[4]+[CLEAR]+
[POWER]
Assists the ADI-HDD by checking the type
ofthemountedHDD,revertingtheHDDtoa
factory default or removing keys.
[POWER]
OFF/ON
-
File system
recovery mode
[5] + [C] +
[POWER]
Checks,recoversorinitializesthelesystem
(HDD).
[POWER]
OFF/ON
-
SRAM clear
mode
[6]+[CLEAR]+
[POWER]
Recoverstheequipmentfromparticular
errors such as F800 or F900.
[POWER]
OFF/ON
-
Listprintmode [9] + [START]
+[POWER]
PrintsvariouslistsoroutputstheminaCSV
format.
[POWER]
OFF/ON
100%LA4
LISTPRINT
Firmware
update mode
[4] + [9] +
[POWER]
Performs firmware update with USB device. [POWER]
OFF/ON
-
[8] + [9] +
[POWER]
Performs firmware update with download jig. [POWER]
OFF/ON
-
Password
reset mode
[4] + [8] + [9]
+[POWER]
Resets the administrator password and
service password.
[POWER]
OFF/ON
-
SRAM data
cloning mode
[5] + [9]
+[POWER]
Backs up the SRAM data to USB device. [POWER]
OFF/ON
-

Oki MC770 Specifications

General

Brand	Oki
Model	MC770
Category	All in One Printer
Language	English