8.12 TELU, TEL-W2, TEL-W1, TEL-W2D and TEL-W2F Circuit
Diagram (option)
....8.12.1 Explanation of TEL circuit diagram
....8.12.2 TEL-W2 circuit diagram
....8.12.3 TEL-W1 circuit diagram
....8.12.4 TEL-W2D circuit diagram
....8.12.5 TEL-W2F circuit diagram
8.13 NTIF (NCU and TEL interface) Circuit Diagram (option)
8.14 OKIFAX 5650 Facsimile Transceiver
9 Descriptions of Print Operation
Overview270
B.1 Mechanical Components271
....1) Image drum cartridge272
....2) Resist motor273
....3) Drum motor274
....4) LED head275
....5) Fuser276
....Layout of Print Station Components 277
B.2 Description of Print Operations278
....B2.1 Process Operations279
........1) Hopping and feeding280
........2) Charging281
........3) Exposure282
........4) Developing283
........5) Transfer284
........6) Fusing285
........7) Cleaning286
........8) Cleaning of rollers287
....B.3 Errors288
........B.3.1 Errors List289
........B.3.2 Major Trouble Errors290
............B.3.2.1 Fuser Error291
............B.3.2.2 Fan Error 292
............B.3.2.3 Paper Feed Monitoring293
............B.3.2.4 2'nd Tray Communication Error (Printer Alarm 2)294
Table of ContentsPage
............B.3.2.5 Cover Open295
........B3.3.3 Recoverable Errors296
............B3.3.3.1 Toner Low Detection297
............Composition298
............Operation299
............Operation during toner full state300
............Operation during toner low state301
............Low Toner Alarm302
....B.4 Other Special Cases303
........B.4.1 Manual Paper Feed304
........B.4.2 Cleaning305
A Circuit Diagrams & Block Diagrams
C.1 General Information306
B Parts List
Assembly307
1: Cabinet Assembly308
2: Control Panel Assembly309
3: Printer Assembly310
4: Base Assembly312
5: Scan Unit314
6: Paper Guide U Assembly315
7: Cables316
9A: Second Paper Feed (Option)318
C Second Paper Tray (option)
1. Outline325
....1.1 Functions326
....1.2 External View and Component Names 327
2. Mechanism Description328
....2.1 General Mechanism329
....2.2 Hopper Mechanism330
3. Parts Replacement331
....3.1 Precautions Concerning Parts Replacement332
....3.2 Parts Layout333
....3.3 Parts Replacement Methods334
........3.3.1 Stepping Motor (Hopping)335
........3.3.2 TQSB2-PCB336
Table of ContentsPage
........3.3.3 Hopping Roller Shaft Assy and One-way Clutch Gear337
4. Troubleshooting338
....4.1 Precautions Prior to the Troubleshooting339
....4.2 Preparations for the Troubleshooting340
....4.3 Troubleshooting Method341
5. Connection Diagram343
....5.1 Interconnection Diagram344
....5.2 PCB Layout345
6. Parts List346
(Not Categorized)
C Second Paper Tray (option)
........4.3.1 LCD Status Message List 342
Page: 1
Service Guide OKIFAX 5650
Chapter 0 Introduction
Preface
This manual is intended to be used for installing and maintaining OKIFAX5650 facsimile unit.
Maintenance of the OKIFAX 5650 is assumed to be conducted at the following levels:
Assembly-level maintenance for mechanical portionsl
Unit-level maintenance for electrical at portionsl
CAUTION: DANGER OF EXPLOSION IF BATTERY IS INCORRECTLY REPLACED. REPLACE ONLY WITH THE SAME OR EQUIVALENT TYPE RECOMMENDED BY
THE MANUFACTURER. DISCARD USED BATTERIES ACCORDING TO THE MANUFACTURER'S INSTRUCTIONS
and
ATTENTION: IL Y A DANGER D'EXPLOSION S'IL Y A REMPLACEMENT INCORRECT DE LA BATTERIE. REMPLACER UNIQUEMENT AVEC UNE BATTERIE DU
MEME TYPE OU D'UNT TYPE RECOMMANDE PAR LE CONSTRUCTEUR. METTRE AU REBUT LES BATTERIES USA GEES CONFORMEMENT AUX
INSTRUCTIONS DU FABRICANT.
Programming procedures of the following user functions are not described in this maintenance manual.
Please refer to user's guide.
One-touch key programmingl
Two-digit auto dial programmingl
Group settingl
Programming mail box passwordl
Memory operationl
Copyright 2000, Oki Data, Division of OKI America, Inc. All rights reserved. See the Oki Data Business Partner Exchange
(BPX) for any updates to this material. (http://bpx.okidata.com)
Service Guide OKIFAX 5650
1.1 General Performance
(01) Type of appearance
Desktop typel
(02) Applicable lines
Public switched telephone network (PSTN)l
Private branch exchange (PBX)l
(03)Compatibility
ITU-T Group 3 facsimile transceiverl
ITU-T Group 4 facsimile transceiverl
(04)Document width
Max. 216 mm (8.5 inches [North American Letter])l
Min. 208 mm (5.83 inches [ISO A5 size])l
(05)Effective reading width
Max. 215 mm (8.46 inches) (North American Letter)l
Max. 208 (ISO A4 size) l
(06)Scanning length
128 mm to 356 mm (5.06 inches to 14 inches)l
(Length setting: Unlimited (1500 mm) is also available.)
(07)Automatic document feeder (ADF)
30 sheets (Letter/A4-size: 20-1b bond. Oki Data recommended paper)l
15 sheets (Letter/A4-size: 13 to 28-1b bondl
(08) Recording paper or sheet
First cassette: lNA Letter/NA Legal/A4-size plain paper cut
Second cassette (Option): lNA Letter/NA Legal/A4-size plain paper cut
Manual loading feeder:l
(Single Sheet Feeder)
* Oki Data recommended paper
N/A = North America
(09)Printable width
North American Letter: l211.3 mm (8.32 inches) / 203.2 mm (8 inches) for
North American Legal: l211.3 mm (8.32 inches) / 203.2 mm (8 inches) for
ISO A4:l206 mm ( 8.11 inches) / 197.3 mm (7.77 inches) for
ITU-T Rec. V.29: 9600 bps for use on point-to-point 4-wire leased telephone type circuitl
ITU-T Rec. V.27 ter: 4800 bps modem for use in PSTN (Public Switched Telephone Network)l
ITU-T Rec. V.21 channel 2: 300 bps duplex modem for PS TNl
ITU-T Rec. V.17: 2-wire modem for fax application up to 14.4 kbpsl
ITU-T Rec. V.34: l
Note: A modem operating at data signaling rates of up to 33,600 bits/s for use on the general switched telephone network and on leased
point-to-print 2-wire telephone-type circuits.
(21)Transmission speed
3 sec. per sheet of ITU-T No. 1 sample document l
Note: The speed denotes the time interval corresponding to phase C (message transmission phase) as referred to ITU-T T.30.
(22)Protocol
ITU-T Rec. T.30l
OKI special protocols: High-speed protocoll
Basic modell2.5 byte
Optional memoryl2.0/5.0 M byte memory board can be added.
(26)Liquid crystal display (LCD)
Two rows of 20 characters for operation guidance, check and various kinds of informationl
(27) Power source
Nominal input voltage 120 VAC for ODA versionl
Nominal input voltage 230 VAC for INT’L versionl
(28) MFP (Multi- Function Peripheral) function (Option)
By installing the optional board (CTR board), the MFP function can be l
realized:
PC Printer Function
PC Scanner Function
PC Fax Modem Function
Location Programming Function
(29)
Fax2Net: Provider type (option)
The following functions are available:
Fax over IP
Fax to E-mail
Virtual E-mail
Broadcast
Web Retrieval
Prepaid and Registration
Note: For details, see "OKIFAX 5650 Product Specification for Fax2Net".
Note: For details, see "Product Specification for MFP".
Copyright 2000, Oki Data, Division of OKI America, Inc. All rights reserved. See the Oki Data Business Partner Exchange
(BPX) for any updates to this material. (http://bpx.okidata.com)
Service Guide OKIFAX 5650
1.2 General User's Function
(01)Transmit mode
Automatic transmit model
Manual transmit model
(02)Receive mode
Automatic receive model
Manual receive model
TEL/FAX automatic switchover model
TAD model
Memory only receive model
Forwarding model
PC receive mode (This function is the standard for Oki Data).l
(03)Dual access
(04)Voice request
(05)Automatic redial
(06)Last number redial (Manual redial)
(07)Local copy including multiple copies
(25)Distinguishing Text from picture
(26)Page re-transmission (Only in case of memory TX mode)
(27) Vertical reduction printing (Reduction rate is from 100% to 75%)
Reduction rate is from 100% to 75% (Legal to Letter)
(28)Horizontal reduction (RX, Copy: Reduction rate is from 93% to 98%)
(29)Smoothing printing (In case of 8 dot/mm x 3.85, 7.7 or 15.4 line/mm ---> 300 dot/inch x 784 line/inch)
(In case of optional handset is installed or Hook key)
(33)Automatic pause signal insertion
(34)Manual feeder local copy
(35)Telephone directory (Alpha search) dialing
(36)TEL/FAX automatic switching
(37)Time and date printing
(38)Closed users group (Direct mail rejection)
(39)Transmission contrast and resolution control
(40)Key touch tone
(41)Printer counter display (For drum, toner, total print)
(42)Total page counter (Scan)
(43)Quick scanning 3 sec. minimum --> A4 size 3.85 / mm
(44)Time and date setting
(45) PC interface (option)
Standardl
(46)Language selection
2 language (LCD and Reports)l
(47)Fax forwarding
(48)4 digit indication of YEAR
(49)Memory password programming
(50)Fax network programming
(51)Fax2Net service
(52)Restrict ID programming
(53)Reports
Copyright 2000, Oki Data, Division of OKI America, Inc. All rights reserved. See the Oki Data Business Partner Exchange
(BPX) for any updates to this material. (http://bpx.okidata.com)
(02)Sensor calibration (Adjustment of scanning level)
(03)LED test
(04)Tone send test (When NCU board is installed).
(05)Multi-frequency (MF) send test (When NCU board is installed).
(06)High-speed modem send test (When NCU board is installed).
(07)High-speed modem receive test (When NCU board is installed).
(08)Tone (TEL/FAX) test (When NCU board is installed).
2) Technical function
Chapter 1 General Information
Page: 4
3) System reset
All data clearl
Location data clearl
Configuration data clearl
4) Default type set
5) PC loading
Copyright 2000, Oki Data, Division of OKI America, Inc. All rights reserved. See the Oki Data Business Partner Exchange
(BPX) for any updates to this material. (http://bpx.okidata.com)
Service Guide OKIFAX 5650
1.4 General Appearance
Figure 1.4.1 shows the general appearance. Figure 1.4.2 shows the control panel.
General Appearance of the OKIFAX 5650
Chapter 1 General Information
Page: 5
Control Panel
Copyright 2000, Oki Data, Division of OKI America, Inc. All rights reserved. See the Oki Data Business Partner Exchange
(BPX) for any updates to this material. (http://bpx.okidata.com)
Service Guide OKIFAX 5650
1.5 Basic Performance Specifications
Note:
TF: Technical function setting
FP: Function program setting
OT: One-touch key pressed
F: SELECT FUNCTION key pressed
Copyright 2000, Oki Data, Division of OKI America, Inc. All rights reserved. See the Oki Data Business Partner Exchange
(BPX) for any updates to this material. (http://bpx.okidata.com)
Applicable line1) Public switched telephone network (PSTN)
Chapter 1 General Information
2) Private branch exchange (PBX) (OT9+2)
Page: 7
2
Line interface
1) Impedance600 Ohms balanced
Note: Impedance may differ by the requirement of PTT.
2) Sending power level0 dBm to -15 dBm range
(Adjustable in 1 dB steps. Technical Setup No. 22)
3) Receiving power level0 dBm to -40 dBm or -6 dBm to -46 dBm
(In case of V.34 TX/RX, -3 to -43 dBm
3
Type of document to be
transmitted
1) WidthMax. 216 mm (NA Letter)
Min: 148 mm (ISO A5 size)
Note: Effective reading width is NA Letter 215 mm)
2) LengthMin. 128 mm (5 inches)
Max. 356 mm (14 inches)
Long document detection: 380 mm, or 150 mm
* TF + 10 (To enable or disable the long document scanning)
3) ThicknessBased on common bond paper
a) 0.08 to 0.13 mm for multiple page feeding
b) 0.06 to 0.15 mm for single page feeding
4) ShapeRectangular
5) OpacityDocuments allowing less than 40% of the scanner source light
to pass through them.
Copyright 2000, Oki Data, Division of OKI America, Inc. All rights reserved. See the Oki Data Business Partner Exchange
(BPX) for any updates to this material. (http://bpx.okidata.com)
Note: Local copy: Printable reading width in a local copy mode
No.ItemSpecifications
5
Automatic document
Max. 30 documents: NA Letter or A4 (20 lb./75gm)
Effective reading widthCopy size
202.8 mm for local copy
211.3 mm for local copy
211.2 mm for local copy
feeder (ADF)
Max. 15 documents: NA or A4 (16 to 28/60 to 105gm)
Documents shall be placed face down on ADF stacker. The first
sheet will be fed first in the feeder and will exit face down in the
document stacker.
6
Document skewMax. 2.6 mm skew over a document of A4 length. For a
document longer than A4 length, occurrence of skew exceeding
2.6 mm over any A4 length is 0.5% or less.
7
Document jam detection1) Transmission will stop and line disconnection will occur when
the end of a document is not detected within 356 mm after
scanning begins (except for the long document scanning. TF +
10)
A4
Letter
Legal
2) A jam will also be declared if the document does not reach
the scanning position within 5 seconds after the start of a
document feed.
Note: When a jam is detected during message transmission
from the feeder, the machine will stop scanning and disconnect
the line, but its receiving capability will remain valid.
8
Document jam removalManual release
Copyright 2000, Oki Data, Division of OKI America, Inc. All rights reserved. See the Oki Data Business Partner Exchange
(BPX) for any updates to this material. (http://bpx.okidata.com)
Recording paper or sheetFor the first or second recording paper cassette:
Chapter 1 General Information
1) Type: Plain paper cut (Bond paper: Xerox 4200 type or
equivalent)
2) Size: ISO A4 210 mm x 297 mm
NA Letter 215.9 mm x 279.4 mm / 8.5 inch x 11 inch
NA Legal 14: 215.9 mm x 355.6 mm / 8.5 inch x 13 inch
3) Weight: 16 lbs to 24 lbs/60 to 90 gm base weight
Base weight is defined as the weight of 500 sheets
of 431.8 mm (17 inch) by 558.8 mm (22 inch) or 1 sheet size
1000 mm by 1000 mm.
4) Thickness: 0.08 mm to 0.12 mm
5) Condition: New paper
For the manual loading feeder
1) Type: Plain paper, transparency for overhead projector,
colored paper, printer paper
Page: 9
10
Recording paper cassette
first cassette
second cassette
2) Size: A4/NA Letter/NA Legal
3) Weight, thickness and condition: Same as above
Note: One single sheet should be loaded on the manual paper
feeder for one occasion.
For best results use Oki Data recommended papers
1) Xerox 4200 (20 - lb/75 gm base weight paper)
2) L-type paper for photo-printers
Up to 250 sheets/cassette
(Oki Data recommended paper)
Up to 500 sheets/cassette
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