Oki OKIOFFICE 1200 Installation and operation manual

OKIOFFICE 1200 1600
FIELD ENGINEERING MANUAL
Version 2.0
(11 June 2002)

Safety Information
LED Safety Label
A LED safety label is attached to the outside of the machine as shown below.
Battery Precautions CAUTION
Danger of explosion if battery is incorrectly replaced.
Replace only with the same or equivalent type recommended by the manufacturer.
Dispose of used batteries according to the manufacturer’s instructions.
Important: Muratec does not recommend the independent replacement of this battery.
The battery is sold only as a component part of the main control PCB and Battery
PCB, and cannot be purchased separately from Muratec.
Il y a un danger d'explosion s'il y a un remplacement incorrect de la batterie.
Remplacer uniquement avec une batterie du même type ou d'un type recommandé par le
constructeur. Mettre au rebut les batteries usagées conformement aux instructions du fabricant.
Germany only VORSICHT!
Explosinsgefahr bei unsachgemäßen austausch der batterie.
Ersatz nur durch denselben oder einen vom hersteller empfohlenen ähnlichen typ. Entsorgung
gebrauchter batterien nach angaben des herstellers.
Denmark only ADVARSEL!
Lithiumbatteri - Eksplosionsfare ved fejlagtig håndtering
Udskiftning må kun ske med batteri af samme fabrikat og type.
Levér det brugte batteri tilbage til leverandøren.
Norway only ADVARSEL
Eksplosjonsfare ved feilaktig skifte av batteri.
Benytt samme batteritype eller en tilsvarende type anbefalt av apparatfabrikanten.
Brukte batterier kasseres i henhold til fabrikantens instruksjoner.
Sweden only VARNING
Explosionsfara vid felaktigt batteribyte.
Använd samma batterityp eller en ekvivalent typ som rekommenderas av apparattillverkaren.
Kassera använt batteri enligt fabrikantens instruktion.

Finland only VAROlTUS
Paristo voi räjähtää, los se on virheellisesti asennettu.
Vaihda paristo ainoastaan laitevalmistajan suosittelemaan tyyppiin.
HävitäKäytetty paristo valmistajan ohjeiden mukaisesti.
ALL Areas CAUTION
“Replace only with the same or equivalent type recommended by the manufacturer.
Dispose of used IC Package according to the manufacturer’s instructions.”
Germany only VORSICHT!
⇒”Austausch nur durch denselben oder einen vom Hersteller empfohlenen,
gleichwertigen typ. Entsorgung gebrauchter Batterien nach Angaben des Herstellers.

i
Table of Contents
Safety Information..........................................................................................................................................1
LED Safety Label.......................................................................................................................................1
Battery Precautions...................................................................................................................................1
Section 1 General Description
1.1 Product Description ..............................................................................................................................1-1
1.2 Specifications........................................................................................................................................1-2
Section2 Machine Composition
2.1 OKIOFFICE 1200 Interconnect Block Diagram (1/2)............................................................................2-1
OKIOFFICE 1600 Interconnect Block Diagram (1/2)..................................................................................2-3
2.2 Main Control PCB.................................................................................................................................2-5
2.3 Network Control Unit (NCU) PCB.........................................................................................................2-7
2.4 Power Supply Unit (PSU) .....................................................................................................................2-8
2.5 Sensors.................................................................................................................................................2-9
2.5.1 Sensor Locations...........................................................................................................................2-9
2.5.2 Sensor Descriptions ....................................................................................................................2-10
2.6 Document Scanning Sequence..........................................................................................................2-11
2.6.1 Document Detection....................................................................................................................2-11
2.6.2 Document Separation..................................................................................................................2-11
2.6.3 Document Transport....................................................................................................................2-11
2.6.4 Document Scanning....................................................................................................................2-11
2.6.5 Document Discharge...................................................................................................................2-12
2.7 Recording Section ..............................................................................................................................2-13
2.7.1 Recording Paper Feed Path........................................................................................................2-13
2.8 Image Processing...............................................................................................................................2-13
2.8.1 Drum Charge...............................................................................................................................2-14
2.8.2 Drum Exposure ...........................................................................................................................2-14
2.8.3 Development ...............................................................................................................................2-14
2.8.4 Image Transfer............................................................................................................................2-15
2.8.5 Residual toner distribute..............................................................................................................2-15
2.8.6 Fusing..........................................................................................................................................2-16
Section3 Adjustment Procedures
3.1 Field Service Program Modes ..............................................................................................................3-1
3.2 Machine Parameter Adjustment ...........................................................................................................3-2
3.2.1 Setting the Machine Parameters...................................................................................................3-2
3.2.2 Clearing the Machine Parameters.................................................................................................3-2
3.3 Memory Switch Adjustment................................................................................................................3-18
3.3.1 Setting the Memory Switches......................................................................................................3-18
3.3.2 Clearing the Memory Switches....................................................................................................3-18
3.4 Clear Programmed Data / User Settings............................................................................................3-35
3.5 All RAM Clear .....................................................................................................................................3-36
3.6 Setting Individual Autodialer Attributes...............................................................................................3-36
3.7 Unique Switch Adjustment..................................................................................................................3-40
3.7.1 Setting the Unique Switches........................................................................................................3-40
3.7.2 Clearing the Unique Switches .....................................................................................................3-40
Unique Switch a:0 — Dialer..................................................................................................................3-41
3.8 Printer maintenance mode..................................................................................................................3-62
3.9 Print Program Mode List.....................................................................................................................3-63
3.10 Test Modes.......................................................................................................................................3-63
3.10.1 Life Monitor................................................................................................................................3-64

ii
3.10.2 Printer Test................................................................................................................................3-65
3.10.3 Feeder test................................................................................................................................3-66
3.10.4 Background Level Test..............................................................................................................3-66
3.10.5 Set Background Level ...............................................................................................................3-66
3.11 Print Machine Parameters, Memory Switch and Unique Switch Settings.........................................3-67
3.12 Factory Functions.............................................................................................................................3-67
3.12.1 Function List..............................................................................................................................3-67
3.12.2 LED Test....................................................................................................................................3-67
3.12.3 LCD Test ...................................................................................................................................3-68
3.12.4 Key Panel Test..........................................................................................................................3-68
3.12.5 SRAM Check.............................................................................................................................3-69
3.12.6 DRAM Check.............................................................................................................................3-69
3.12.7 RTC(real time clock) Test..........................................................................................................3-70
3.12.8 RS-232C Test............................................................................................................................3-70
3.13 Line Tests .........................................................................................................................................3-71
3.13.1 Relay Test .................................................................................................................................3-71
3.13.2 Tonal Signal Test.......................................................................................................................3-72
3.13.3 DTMF Output Test.....................................................................................................................3-74
3.14 Mirror Carriage Transfer Mode.........................................................................................................3-75
3.15 Consumable order sheet ..................................................................................................................3-75
3.15.1 Set consumable order sheet .....................................................................................................3-75
3.15.2 Print consumable order sheet ...................................................................................................3-76
3.15.3 Clear consumable order sheet..................................................................................................3-76
3.16 DRAM Clear......................................................................................................................................3-77
3.17 Clear Life Monitor .............................................................................................................................3-77
3.18 Clear Optional Data..........................................................................................................................3-77
3.19 Set Service Code..............................................................................................................................3-78
3.20 Life monitor maintenance .................................................................................................................3-78
3.21 JP1, JP2 Battery Backup..................................................................................................................3-79
3.22 Update the software..........................................................................................................................3-80
Section4 Troubleshooting Procedures
4.1 Troubleshooting Outline........................................................................................................................4-1
4.2 Recording Paper Jam...........................................................................................................................4-2
4.3 Document Feeder Jam.........................................................................................................................4-2
4.4 Document Feeder Multi-feeding or Skew .............................................................................................4-3
4.5 Mirror Carriage Error.............................................................................................................................4-3
4.6 Transmit Error.......................................................................................................................................4-3
4.7 Transmit Black Lines ............................................................................................................................4-3
4.8 Cannot transmit ....................................................................................................................................4-4
4.9 Receive Errors......................................................................................................................................4-4
4.10 Will not Auto-Answer ..........................................................................................................................4-4
4.11 Clearing Jammed Paper.....................................................................................................................4-5
If the original document jams..................................................................................................................4-5
To remove the document: ......................................................................................................................4-6
If a printout jams inside your machine....................................................................................................4-7
4.12. The Image Quality Problems.............................................................................................................4-9
4.12.1 Blank pages.................................................................................................................................4-9
4.12.2 Black pages.................................................................................................................................4-9
4.12.3 Printout too light.........................................................................................................................4-10
4.12.4 Printout too dark........................................................................................................................4-10
4.12.5 Blurred background...................................................................................................................4-10
4.12.6 Uneven print density..................................................................................................................4-11
4.12.7 Irregularities...............................................................................................................................4-11
4.12.8 White (Black) Line .....................................................................................................................4-12

iii
4.12.9 Toner Smudges.........................................................................................................................4-12
4.13 LCD Error Messages........................................................................................................................4-13
LCD error messages (Alphabetic list)...................................................................................................4-13
4.14 Error Codes ......................................................................................................................................4-18
Dialing errors........................................................................................................................................4-18
Reception errors...................................................................................................................................4-18
Transmission errors..............................................................................................................................4-19
Communication Error Messages..........................................................................................................4-20
4.15 Service Call Error..............................................................................................................................4-21
4.15.1 Call For Service.........................................................................................................................4-21
4.15.2 Please Call Service ...................................................................................................................4-21
4.16 LCD Failure.......................................................................................................................................4-24
4.17 General Power Failure......................................................................................................................4-24
4.18 Cleaning the Unit..............................................................................................................................4-25
Curing frequent jams in the ADF..........................................................................................................4-25
Cleaning the FBS glass, Contact glass and white pad.........................................................................4-26
Cleaning the LED print head ................................................................................................................4-26
Section5 Maintenance & Adjustment
5.1 Maintenance schedule..........................................................................................................................5-2
5.2 Re/Disassemble....................................................................................................................................5-3
5.2.1 Covers...........................................................................................................................................5-5
5.2.2 PCBs ...........................................................................................................................................5-13
5.2.3 Sensors .......................................................................................................................................5-24
5.2.4 Scanning section.........................................................................................................................5-25
5.2.5 Printer section..............................................................................................................................5-37
5.3 Adjustment..........................................................................................................................................5-49
5.3.1 Adjustment of Retard roller pressure...........................................................................................5-49
Section 6 Options
6.1 Memory Upgrade..................................................................................................................................6-1
Packaging contents:...............................................................................................................................6-1
Installation ..............................................................................................................................................6-1
6.2 Attaching an optional handset ..............................................................................................................6-3
Packaging contents:...............................................................................................................................6-3
Installation ..............................................................................................................................................6-3
6.3 RS-232C interface................................................................................................................................6-4
Packaging contents:...............................................................................................................................6-4
Installation ..............................................................................................................................................6-4
RS-232C interface cable ........................................................................................................................6-6
Signal direction.......................................................................................................................................6-6
RS-232C Test.........................................................................................................................................6-6
6.3 Page Counter........................................................................................................................................6-7
Packaging contents:...............................................................................................................................6-7
Installation ..............................................................................................................................................6-7
6.4 AL-200 (only for OKIOFFICE 1600)......................................................................................................6-8
Packaging contents:...............................................................................................................................6-8
Installation ..............................................................................................................................................6-8
6.5 OP-100/NP-200 ..................................................................................................................................6-12
Packaging contents:.............................................................................................................................6-12
Attaching the OP-100 (and NP-200) ....................................................................................................6-13
Installing the Printer driver....................................................................................................................6-16
6.6 Attaching the 2-Bin tray ......................................................................................................................6-17
Packaging contents:.............................................................................................................................6-17
Installation ............................................................................................................................................6-17
6.7 Second paper cassette.......................................................................................................................6-22

iv
Packaging contents:.............................................................................................................................6-22
Installation ............................................................................................................................................6-22
Setting of the Paper Size......................................................................................................................6-25

1-1
Section 1
General Description
1.1 Product Description
The OKIOFFICE 1200 and OKIOFFICE 1600 is Multi-function product with flat bed scanner and Group
3 and V.34 HDX modem facsimile machine. Documents are printed on plain paper using dry
electrophotographic printing.

1-2
1.2 Specifications
Item 1200 1600
Type Desktop type
Telephone network PSTN (Public Switched Telephone Network) or equivalent.
Compatibility ITU-T T.4 and T.30
Coding method ITU-T-standard MH, MR, MMR and
Murata-proprietary MSE. ITU-T-standard MH, MR, MMR, JBIG and Murata-proprietary MSE.
Modem speed 14400, 12000, 9600, 7200, 4800
and 2400 bps 33600, 31200, 28800, 26400, 24000, 21600, 19200, 16800,
14400, 12000, 9600, 7200, 4800
and 2400 bps
Dual Access Allows up to two simultaneous
operations. Allows up to three simultaneous operations.
Display LCD: 2 lines, 20 characters per line.
Language: English, French, Spanish, Germany
Scanning method Flatbed CCD
Recording method Dry electrophotographic (LED) printer
<ADF>
Single sheet Two or more sheets
Max: 216 mm (W) ×900 mm (L) 210 mm (W) ×330 mm (L)
Min: 120 mm (W) ×100 mm (L) 148 mm (W) ×105 mm (L)
Paper weight:30.2 – 104.7g/m2 52.3 – 80 g/m2
Acceptable document size
<FBS glass>
Max: 210 mm (W) ×330 mm (L)
Min: No limit
Scanning resolution <Transmission>
horizontal ×vertical
(in dots/mm ×in lines/mm)
Normal: 8 ×3.85
Fine: 8 ×7.7
Super fine: 8 ×15.4
Greyscale: 8 ×7.7
<Transmission>
horizontal ×vertical
(in dots/mm ×in lines/mm)
Normal: 8 ×3.85
Fine: 8 ×7.7
Super fine: 16 ×15.4*
Greyscale: 8 ×7.7(Memory Tx)
16 ×15.4*(RealtimeTx)
*: In the case that the remote fax
has the ability of “16 ×15.4”.
If not, the superfine resolution is
“8 ×15.4“, and the greyscale
resolution in real time transmission
is “8 ×7.7”.
<Copy> 300 dpi 400 dpi
Effective Scanning width 208 mm(Fax), 210 mm(Copy)
Transmission speed Approx. 6 seconds
Based on transmission of ITU-T
Test Document 1.
Approx. 2 seconds
Based on transmission of ITU-T
Test Document 1.
Document Memory Standard:
8 MB (630 pages)
Upgrade option:
plus 8MB (680 pages)
Standard:
8 MB (630 pages)
Upgrade option:
plus 8MB (680 pages)
plus 24MB (2040 pages)
Document memory backup (Total memory capacity : Backup time)
8 MB: 72 hours
16 MB: 36 hours
32 MB: 18 hours (1600 only)
The backup battery requires about 24 hours to reach full charge after
power to the fax unit is restored.
Printing resolution 600 dpi
Warm-up time Less than 20 seconds at 68° F (20° C)

1-3
Item 1200 1600
First copy time 12 seconds (using A4-sized paper
in 1st paper cassette) 10 seconds (using A4-sized paper in 1st paper cassette)
Printing speed 12 ppm (When loading A4-sized
paper from 1st paper cassette.) 16 ppm (When loading A4-sized paper from 1st paper cassette.)
Toner yield Approx. 8,000 pages (A4, 6 % document coverage under 2-pages
interval printing.)
Drum yield Approx. 16,000 pages (A4, 6 % document coverage under 2-pages
interval printing.)
Smoothing Yes
Print margin Reading edge, Trailing edge, Left edge and Right edge: 3 ± 2 mm
Acceptable recording
paper size <Paper cassette> Plain paper: A4(SEF), A5(LEF), F4(SEF)
Paper weight: 60 –90g/m2
<Bypass tray>
Plain paper: A4(SEF), A5(LEF)(SEF), A6(SEF), F4(SEF),
Letter(SEF), Legal(SEF), Half letter(LEF),
Executive(SEF)
Envelopes: DL(SEF), COM10(SEF), Monarch(SEF)
Postcard: 100 mm (W) ×148 mm (L)
Transparency: A4(SEF)
Custom size*: (105 –216 mm) ×(148 –356 mm) (Width ×Length)
*Custom sized paper is available only when the optional printer controller
kit has been installed.
Recording paper capacity <Paper cassette>
1st cassette: 500 sheets
2nd cassette (option): 500 sheets
<Bypass tray>
Plain paper: 50 sheet
Postcard/Transparency:20 sheets
Envelopes 1 sheet
Receive paper tray
capacity Approx. 300 sheets with optional 2-bin tray: Upper approx. 100, Lower approx. 150 sheets
Printouts exit Face up
Environmental conditions Ambient temperature: 10°Cto 32°C(50 °Fto 89.6 °F)
Relative humidity: 20 % to 80 % with no condensation
Power requirements 230 VAC ± 10 %; 50/60 Hz
Power consumption Sleep mode (Heater off)19.8 W
Standby: 20.6 W
Memory Transmission: 21.3 W
Reception: 21.5 W
Copying: 1020 W
Maximum: 1060 W
Sleep mode (Heater off)22.2 W
Standby (Heater off): 24.2 W
Memory Transmission: 25.0 W
Reception: 25.2 W
Copying: 1200 W
Maximum: 1210 W
Dimensions 2WAY: 510 (W) ×492 (D) ×376 (H) mm
3WAY: 510 (W) ×492 (D) ×483 (H) mm
When the Extension paper tray and Bypass tray are retracted.
Weight Approx. 23.3 Kg (51.4 lbs) without consumables and trays.
Optional products • Optional telephone handset
• 2nd paper cassette
• Printer controller kit
• Network interface card
• Second phone line kit (only for OKIOFFICE 1600)
• RS-232C interface kit
• Mechanical page counter

2-1
Section2
Machine Composition
2.1 OKIOFFICE 1200 Interconnect Block Diagram (1/2)
OKIOFFICE 1200
Connection Diagram (1/2)

2-2
OKIOFFICE 1200 Interconnect Block Diagram (2/2)
OKIOFFICE 1200
Connection Diagram (2/2)

2-3
OKIOFFICE 1600 Interconnect Block Diagram (1/2)
OKIOFFICE 1600
Connection Diagram (1/2)

2-4
OKIOFFICE 1600 Interconnect Block Diagram (2/2)
OKIOFFICE 1600
Connection Diagram (2/2)

2-5
2.2 Main Control PCB
The main control PCB controls the operations of all machine functions.
Jumper JP2 on the main control PCB is used for battery back-up of the SDRAM. Removing JP2 will
initialize the SDRAM. If the power is turned off, the battery will provide up to 72 hours (8MB) of back-
up when fully charged.
Jumper JP1 on the main control PCB is used for battery back-up of the SRAM. All user programmed
data and internal memory switch settings are held in SRAM. Removing JP1 will initialize the SRAM.
If the power is turned off, the battery will provide up to five years of back-up when fully charged.
NOTE: JP1, JP2 should remain in the "ON" position at all times.
Memory (FLASH MEMORY, SRAM, SDRAM)
FLASH MEMORY --- T h e F L A S H ME M O R Y c o nt a i n s a l l p r og r a m i ns t r u c t i o n s f or u n i t operation.
SRAM ---T h e SR AM , wh ic h is b a ck e d - up b y a li th iu m ba tt er y i s us e d t o s to re u s er p r o g r a mm ed
information.
SDRAM ---T h e SD RA M is u s ed f or b uf fe r , w h ic h is b ac k ed - u p b y a ba t t e r y i s u s e d to s t o r e
memorized documents.
RXA
TONE
TXA
CI
OH
MODEM
IC
CPU
IMAGE
PROCESSING
IC
NCU PCB
LPF
BUFFER
PANEL PCB
Speaker
Monitor
Control
LOGIC IC
KEY
RS232C
SDRAM
Extension Memory
LCD
Ni-MH
Battery
Lithium Battery
+24V, +5V, GND
+24V, +12V, -12V,
+5V, GND
AC 220V
Battery PCB
CONNECTOR (SCANNER) PCB
MAIN CONTROL PCB
SDRAM
FLASH ROM
CCD
LED LAMP
SDRAM
PRINTER
CONTROL
1
MOTOR
CONTROL
SYSTEM
G/A1
SYSTEM
G/A2
SRAM
SDRAM
PRINTER
CONTROL
2
FBS MOTOR
ADF MOTOR
HIGHT VOLTAGE
POWER SUPPLY
UNIT
PRINTER
UNIT
POWER SUPPLY
UNIT
SDRAM
OKIOFFICE 1200 Main control PCB block diagram

2-6
CI
OH
CPU
AFG
PANEL PCB
Speaker
Monitor
Control
LOGIC IC
KEY
RS232C
SDRAM
Extension Memory
LCD
Ni-MH
Battery
Lithium Battery
+24V, +5V, GND
+24V, +12V, -12V,
+5V, GND
AC 220V
Battery PCB
CONNECTOR (SCANNER) PCB
SDRAM
FLASH ROM
CCD
LED LAMP
SDRAM
PRINTER
CONTROL
1
MOTOR
CONTROL
SYSTEM
G/A1
SYSTEM
G/A2
SRAM
SDRAM
PRINTER
CONTROL
2
FBS MOTOR
ADF MOTOR
HIGHT VOLTAGE
POWER SUPPLY
UNIT
PRINTER
UNIT
POWER SUPPLY
UNIT
SDRAM
PCB MAIN 1 for MFX-1600
RXA
TONE
TXA
MODEM
IC
LPF
BUFFER
PCB MAIN 2 for MFX-1600
NCU PCB
+24V, +5V, GND
+12V, -12V
Image Processing IC
CODEC
CODEC
CODEC
Memory CTR IC
SDRAM
PCB MAIN 2 for MFX-1600
OKIOFFICE 1600 Main control PCB block diagram

2-7
2.3 Network Control Unit (NCU) PCB
The NCU PCB provides the connection to the telephone line. It consists of the interface circuit, dial
pulse generator, ring signal detector and telephone control circuit.
TXA
TONE
OH
CI
RXA
GENERATOR
NCU PCB
MODULAR
PCB
+24V, +5V, GND
+12V, -12V
S
DP
NCU PCB block diagram
Major components of the NCU
CML relay
Connects the telephone line to the phone or fax.
S relay
Used to send dial pulse signals in pulse dialing.
OH & Tone detector
Detects the On-hook condition of the second telephone unit.
H relay
Connects the Tel1 and Tel2 line to the fax machine.
24V generator
Supplies 24 volts to the relays.
Ring signal detector
A photo coupler that detects an incoming ring.

2-8
2.4 Power Supply Unit (PSU)
The power supply unit receives the input line voltage and currents it to output voltages of +5 VDC, +24
VDC, +12 VDC, and -12 VDC.
The heater circuit controls output voltage to the fuser heater according to instructions received from
the heater control circuit.
If an over-current is sensed in the secondary circuit, power is interrupted.
Power supply unit block diagram
The power supply unit has two output connectors.
The following table shows the connector outputs:
CN1 --to the Fuser Heater
Pin No. 1 2
Output L N
CN2 --to the Main Control PCB.
Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14
Output
voltage –12V +12V +5V HC1 +24V GND HC2

2-9
2.5 Sensors
2.5.1 Sensor Locations
The following illustration shows the relative positions of the machine’s sensors.
TXIL
HOME
END
APS
DS1
DS2
PSS
TOS
PDS
PES
HPES
COVER SW
DRUM SW
CASOP
JCOP

2-10
2.5.2 Sensor Descriptions
The following table gives a brief description of each sensor and its function.
Code Name Detects Sensor Type
DS1 Document sensor 1 Presence of document in feeder Photo interrupter
DS2 Document sensor 2 Leading and trailing edge of document Mechanical Switch
HOME Mirror carriage home
position sensor Mirror carriage position Photo interrupter
END Mirror carriage end
position sensor Mirror carriage position Photo interrupter
APS ADF permit sensor Platen cover quite close or not Photo interrupter
TXIL
(ADF) Interlock switch (ADF) Scanner cover open or close Micro switch
PSS Paper set sensor Detects paper feeding out of
cassette/tray. Photo interrupter
PDS Paper discharge sensor Detects paper pass at paper exit. Photo interrupter
PES Paper empty sensor Detects presence of recording paper in
the 1st paper cassette Photo interrupter
HPES Hand paper empty
sensor Detects presence of recording paper in the bypass tray Photo interrupter
TOS Toner sensor Detects the toner empty and toner
cartridge set. Photo interrupter
CASOP Paper cassette open
sensor Detects the 1st paper cassette open or close Photo interrupter
JCOP Jam access cover (side
cover) open sensor Detects the side cover open or close Photo interrupter
COVER-
SW Cover switch Detects top cover open or close Micro switch
DRUM
SW Drum switch Detects drum cartridge is set or not Electrical terminal