Table Of Contents - Oki S900 Service Manual

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1. INTRODUCTION ........................................................................................................................................... 1-1
1.1 G
ENERAL NOTES FOR SERVICING
1.2 G
ENERAL
1.3 S
PECIFICATIONS
2. UNPACKING, INSTALLATION, AND TRANSPORTATION .................................................................. 2-1
2.1 P
RECAUTIONS OF
2.2 U
NPACKING
2.3 I
NSTALLATION
2.3.1 U
NLOCKING THE
2.3.2 C
ONNECTING THE
2.3.3 C
ONNECTING THE ADF CABLE
2.3.4 S
ETTING UP THE OPTIONAL
2.3.5 C
ONNECTING THE
2.4
PLACING THE ORIGINAL
2.4.1 P
LACING YOUR DOCUMENT
2.4.2
PLACING DOCUMENT
2.5 T
RANSPORTATION
3. PARTS IDENTIFICATION............................................................................................................................ 3-1
3.1 E
XTERNAL VIEW
3.1.1 F
RONT VIEW
3.1.2 R
EAR VIEW
4. THEORY OF OPERATION .......................................................................................................................... 4-1
INTRODUCTION............................................................................................................................... 4-1
4.1 INTRODUCTION......................................................................................................................... 4-1
4.2
MAIN CONTROL UNIT
4.2.1 S
YSTEM DIAGRAM
4.2.2 M
AIN
4.2.3 V
IDEO CIRCUIT
4.2.4 P
ANEL AND LCD MODULE
4.2.5 S
ENSOR INPUT
4.2.6 S
UB POWER SUPPLY CIRCUIT
4.2.7 P
OWER SUPPLY
5. TROUBLESHOOTING ................................................................................................................................. 5-1
5.1 T
ROUBLESHOOTING
5.1.1 P
OWER ON TO
5.1.2 C
OPY OPERATION
5.1.3 C
ONTORL PANEL OPERATION
5.2 T .................................................................................................................................. 5-5
ABLES
5.2.1 LCD
5.2.2 P
RINTER DOES NOT REACT
5.2.3
SCANNING IS NOT PERFORMED
5.2.4
PRINTER DOES NOT PRINT
5.2.5 I
MAGE UNCLEAR
5.2.6
NOISE GENERATED
5.2.7 LCD
5.2.8 S900
5.2.9 E
RROR
5.3 C
LEARING THE
6. PREVENTIVE MAINTENANCE................................................................................................................... 6-1
6.1 C
LEANING THE DOCUMENT GLASS
............................................................................................. 1-1
D .......................................................................................................... 1-2
ESCRIPTION
...................................................................................................................... 1-2
I .............................................................................................. 2-1
NSTALLATION
P ......................................................................................................... 2-1
ROCEDURE
......................................................................................................................... 2-3
S U ........................................................................................................... 2-3
CAN NIT
IEEE 1394
CABLE
(O
PTIONAL
ADF (
AUTO DOCUMENT FEEDER
P T
OWER AND URNING ON THE
............................................................................................................ 2-6
( )
S ON THE GLASS
( )
S IN THE ADF
................................................................................................................... 2-8
...................................................................................................................... 3-1
................................................................................................................................. 3-1
................................................................................................................................... 3-2
................................................................................................................ 4-1
.......................................................................................................................... 4-2
C ................................................................................................................. 4-3
ONTROL CIRCUIT
: ............................................................................................................................. 4-4
C .................................................................................................... 4-6
IRCUIT
.............................................................................................................................. 4-7
.......................................................................................................... 4-8
............................................................................................................................. 4-9
F ............................................................................................ 5-2
LOWCHART
S900 .......................................................................................................... 5-2
READY
.......................................................................................................................... 5-3
.......................................................................................................... 5-4
................................................................................................................ 5-6
DOES NOT DISPLAY
............................................................................................................. 5-6
........................................................................................................ 5-7
............................................................................................................... 5-7
............................................................................................................................ 5-8
......................................................................................................................... 5-8
DOES NOT SHOW MESSAGE AFTER COMMAND
IS NOT CONNECTED TO THE NETWORK
C LCD ................................................................................................................ 5-11
ODES IN
P J .................................................................................................... 5-13
APER AM
............................................................................................ 6-1
.............................................................................................. 2-4
) ........................................................................................ 2-4
) ............................................................. 2-5
M ................................................................ 2-5
ACHINE
.................................................................................... 2-6
.................................................................................................. 2-7
............................................................................ 5-9
................................................................................. 5-10
ii
S900
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