Oki MC860 Maintenance Manual

43967002TH Rev.1
4 /
Oki Data CONFIDENTIAL
Contents
CONTENTS
1. Configuration .............................................................................7
1.1 System configuration ............................................................................................8
1.2 MFP configuration ...............................................................................................10
1.2.1 Name and function of each part ....................................................................11
1.3 Options configuration ...........................................................................................16
1.4 Specifications ......................................................................................................18
1.5 Interface specifications.........................................................................................28
1.5.1 USB interface specifications ..........................................................................28
1.5.2 Network interface specifications ....................................................................28
1.5.3 Parallel interface specifications .....................................................................29
2. Theory of Operation ................................................................30
2.1 Electro-photographic process system ..................................................................31
2.2 Print process .......................................................................................................34
2.3 Image scanning process .....................................................................................44
2.3.1 Structure and process of RADF .....................................................................44
2.3.1.1 Cross-section view ................................................................................44
2.3.1.2 Electrical configuration ..........................................................................44
2.3.1.3 Fundamental operations .......................................................................45
2.3.1.4 Document detection ..............................................................................47
2.3.1.5 Jam detection ........................................................................................49
2.3.1.6 Power supply ..........................................................................................49
2.3.2 Document table structure .............................................................................50
2.3.2.1 Overview ...............................................................................................50
2.3.2.2 Exposure block ......................................................................................50
2.3.2.3 Mirror carriage drive mechanism ............................................................51
2.3.2.4 Document size detection .......................................................................52
3. Installation ...............................................................................53
3.1 Warnings and prohibited items .............................................................................54
3.2 Installation of MFP ...............................................................................................55
3.2.1 Unpacking ......................................................................................................55
3.2.2 Main unit and list of accessories ....................................................................56
3.2.3 Installation method ........................................................................................58
3.3 Installation of add-on tray unit ..............................................................................64
3.3.1 Unpacking ......................................................................................................64
3.3.2 Main unit and list of accessories ...................................................................65
3.3.3 Installation method ........................................................................................66
3.4 Preparation before use .........................................................................................77
3.4.1. Preparation of paper .....................................................................................77
3.4.2 Power cable connection .................................................................................79
3.4.3 Add-on memory replacement ........................................................................81
3.4.4 Internal hard disk replacement ......................................................................83
3.4.5 Duplex unit installation and removal ..............................................................85
3.5 Report print ..........................................................................................................88
3.6 Control panel ........................................................................................................89
3.7 Menu list ...............................................................................................................90
3.8 MFP information print .........................................................................................133
3.9 Network information print ...................................................................................134
3.10 Connection method ..........................................................................................135
3.10.1 Connect the interface cable. ......................................................................135
3.10.1.1 Connect the network cable. ................................................................135
3.10.1.2 Connect the USB cable. ....................................................................135
3.10.1.3 Connect the telephone line cable. ......................................................136
3.10.2 Turn ON the power .....................................................................................139
3.10.2.1 Required conditions for power supply ................................................139
3.10.2.2 Power switch ......................................................................................139
3.11 Checking papers used by user .........................................................................140
4. Parts Replacement ...............................................................141
4.1 Precautions when replacing part .......................................................................142
4.2 Part replacement method ..................................................................................144
4.2.1 How to separate scanner and printer .........................................................144
4.2.2 Scanner ......................................................................................................147
4.2.2.1 Separation pad ....................................................................................147
4.2.2.2 Operator panel Assy ...........................................................................148
4.2.2.3 RADF Assy ..........................................................................................149
4.2.3 Printer ..........................................................................................................152
4.2.3.1 Belt unit ...............................................................................................152
4.2.3.2 Fuser unit ............................................................................................153
4.2.3.3 Cover-Side-L ........................................................................................154
4.2.3.4 Cover-Side-R........................................................................................155
4.2.3.5 Rear cover ...........................................................................................156
4.2.3.6 LED Assy .............................................................................................157
4.2.3.7 MZA PCB/CU PCB ...............................................................................158
4.2.3.8 ID motor/paper feed motor/ID lift-up motor ........................................161
4.2.3.9 PU PCB ...............................................................................................163
4.2.3.10 Top cover Assy ...................................................................................165
4.2.3.11 Top cover/Extension transport Assy ...................................................167
4.2.3.12 Shaft eject Assy (FU)/Shaft eject Assy (FD) ......................................168
4.2.3.13 Guide eject Assy lower/Color regist Assy/Relay PCB (P6Y) ..............169
4.2.3.14 FAN (Fuser)/High voltage PCB/Contact Assy/Fuser sensor Assy ....173
4.2.3.15 MPT Assy/MPT hopping roller/Separator/Pickup roller .....................175
4.2.3.16 Regist roller Assy ...............................................................................176
4.2.3.17 Gear box/Regist/Hopping roller Assy/Solenoid .................................177
4.2.3.18 Holder switch Assy/Fan for low voltage power supply/Low
voltage power supply ........................................................................180

Oki MC860 Specifications

Printing Specifications

print speed color	26 ppm
print speed black & white	33 ppm
time to first page color	10 seconds
time to first page black & white	9.5 seconds
print resolution	1200 x 600 dpi
processor	500 MHz PowerPC CPU
duty cycle	75, 000 prints per month

Copying Specifications

copy speed color	26 cpm
copy speed black & white	33 cpm
first copy out color	14.5 seconds
first copy out black & white	13 seconds
copy resolution	600 x 600 dpi

Scanning Specifications

scan type	Color and black & white
max scan area	11" x 17"
scan speed black & white	33 spm
scan speed color	26 spm
scan resolution	600 dpi

Fax Specifications

fax modem	33.6 Kbps Super G3
transmission speed	2 seconds/page
fax resolution	600 x 600 dpi
speed dial locations	500 locations
broadcast transmission locations	530 locations

Power and Acoustic Noise

power consumption peak	1, 300W
power consumption standby	160W Avg.
power save mode	≤25W
acoustic noise operating	54dB
acoustic noise standby	≤37dB

System Memory

standard imaging RAM	512 MB
max imaging RAM	768 MB
hard disk drive	40 GB

Weight and Dimensions

1-tray configuration dimensions	22.2" x 25.9" x 26.3"
2-tray configuration dimensions	33.3" x 30.2" x 44.5"
weight 1-tray configuration	149.9 lb
weight 2-tray configuration	200.6 lb
weight 3-tray configuration	211.6 lb