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10

Lubrication

Lubrication should take place once a
year, or as necessary. Use Dow
Corning Molycoat BR-2 grease or
equivalent. Use grease sparingly.
Lubricate gears and reset lever
channels. Do not allow lubricant to
contact the surface of any rollers or
paper guides.
10 Lubrication

11

Cleaning

Clean the machine's covers with mild
soap on a cloth dampened with cold
water. Dry completely.

Note:

Always

disconnect the machine from power
before cleaning.

(9)

12.

Optical sensors

Vacuum any dust accumulation from
both ADF and power supply optical
sensors as necessary.

Figure 6.2.1 Parts of Routine Inspection

Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business
Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)

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Summary of Contents for OF1050

Page 1: ...g Manual 09 17 97 Note This Adobe Acrobat version of the Okidata Service Training Manual was built with the pictures rendered at 300 dpi which is ideal for printing but does not view on most displays...

Page 2: ...pecifications 14 1 6 Reports and Lists 15 Reports and Lists Continued 16 Telephone Directory for OKIFAX 1050 1 2 Example 17 Telephone Directory for OKIFAX 1050 2 2 Example 18 Telephone Directory for O...

Page 3: ...ns 56 Table 2 9 3 4 6 Feature Specifications 57 Table 2 9 3 5 6 Feature Specifications 58 Table 2 9 3 6 6 Feature Specifications 59 Users Initial Settings 60 Table 2 9 4 1 3 One touch key Program Sett...

Page 4: ...l unit YOPE OKIFAX 1050 YOPE 2 OKIFAX 2350 2450 board 96 3 5 03 NCUU board 97 3 5 04 Power supply unit FXVE 120V FXVH 230V board 98 3 5 05 MEMO memory board Option 99 3 5 06 P050 board Optional PC Int...

Page 5: ...g 133 3 16 03 Exposure 134 3 16 4 Developing 135 3 16 05 Transfer 136 3 16 06 Fusing 137 3 16 07 Cleaning 138 3 16 08 Cleaning of rollers 139 3 17 Actual Electo photographic Process 140 3 18 Errors Li...

Page 6: ...tion Test 165 6 7 LED Test 166 6 8 Tone Send Test 167 6 9 High speed Modem Send Test 168 6 10 High speed Modem Receive Test 169 6 11 MF Send Test 170 6 12 Tone TEL FAX 171 6 13 Printer Cleaning 172 6...

Page 7: ...Troubleshooting flow chart 11 214 Troubleshooting flow chart 12 215 Troubleshooting flow chart 13 216 Troubleshooting flow chart 14 Troubleshooting flow chart 15 217 8 Drawings and Parts List ASSEMBL...

Page 8: ...Mechanism Description 236 9 3 PARTS REPLACEMENT 237 9 3 2 Parts Layout 238 9 3 3 Parts Replacement Methods 239 9 3 3 1 Pulse Motor Hopping 240 9 3 3 2 TQSB PCB 241 9 4 Troubleshooting 242 9 5 Connecti...

Page 9: ...network the telephone company will notify you in advance But if advance notice isn t practical the telephone company will notify the customer as soon as possible Also you will be advised of your righ...

Page 10: ...ge or on the first page of the transmission the date and time it is sent and an identification of the business or other entity or other individual sending the message and the telephone number of the s...

Page 11: ...combination of devices subject only to the requirement that the total of the Load Numbers of all the devices does not exceed 100 Letiquette du Ministere des Communications du Canada identifie le mate...

Page 12: ...utilise par ce dispositif La terminaison du circuit boucle peut etre constituee de nimport quelle combinaison de dispositifs pourvu que la somme des indices de charge de lensemble des dispositifs ne d...

Page 13: ...ccur in a particular installation If this equip ment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged...

Page 14: ...in the Canadian Department of Communications Radio Interference Regulations Cet appareil est conforme aux normes Class A dinterference radio tel que specifier par le Ministere Canadien des Communicat...

Page 15: ...is North America 1 1 08 Recording paper or sheet First cassette NA Letter NA Legal A4 size plain paper cut 250 sheets capacity 20 1b bond Second cassette Option NA Letter NA Legal A4 size plain paper...

Page 16: ...ine mm 5 ms at 7 7 line mm 1 1 17 Print speed Max 4 sheets per minute OKIFAX 1050 Max 8 sheets per minute OKIFAX 2350 2450 1 1 18 Pre heating time No pre heating mode 1 1 19 Coding scheme Modified Huf...

Page 17: ...n be added OKIFAX 2350 2450 Note For OKIFAX 1050 choose either memory board or PC I F board 1 1 26 Liquid crystal display LCD Two rows of 20 characters for operation guidance check and various kinds o...

Page 18: ...e copies 1 2 08 Sender identification Sender ID 1 2 09 Personal identification Personal ID 1 2 10 Polling transmission 1 2 11 Polling reception 1 2 12 Acoustic line monitor 1 2 13 Telephone handset op...

Page 19: ...c variable reduction printing Reduction rate is from 100 to 75 Legal to Letter 1 2 26 Image Smoothing printing In STANDARD and FINE resolutions 1 2 27 Programmed key operation F key OT key 1 2 28 Auto...

Page 20: ...2 41 Date and clock adjustment 1 2 42 PC interface option 1 2 43 Language selection 2 languages LCD 1 2 44 Reports Activity report Protocol report Technical Function Message confirmation report Single...

Page 21: ...st 1 3 05 Multi frequency MF send test 1 3 06 High speed modem send test 1 3 07 High speed modem receive test 1 3 08 Tone TEL FAX test 1 3 09 Printer cleaning function 1 3 10 Remote diagnosis using RM...

Page 22: ...ws the control panel of the OKIFAX 1050 Figure 1 4 3 shows the control panel of the OKIFAX 2350 Figure 1 4 3 shows the control panel of the OKIFAX 2450 Figure 1 4 1 General Appearance of OKIFAX 1050 2...

Page 23: ...Chapter 1 General Information Figure 1 4 2 OKIFAX 1050 Control Panel Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any update...

Page 24: ...Chapter 1 General Information Figure 1 4 3 OKIFAX 2350 Control Panel Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any update...

Page 25: ...Chapter 1 General Information Figure 1 4 4 OKIFAX 2450 Control Panel Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any update...

Page 26: ...exchange PBX OT9 2 2 Line interface 1 Impedance 600W balanced 3 Type of document to be transmitted 1 Width Max 8 5 216 mm NA Letter Min 148 mm ISO A5 size Note Effective reading width is NA Letter 215...

Page 27: ...11 7 A4 length is 0 5 or less 7 Document jam detection 1 Transmission will stop and line disconnection will occur when the end of a document is not detected within 14 356 mm after scanning begins exc...

Page 28: ...heet only should be loaded on the manual loading feeder at a time For best results use OKI DATA recommended papers 1 Xerox 4200 20 lb base weight paper 2 L type paper for photo printers 10 Recording p...

Page 29: ...6 3 95 0 09 2 0 16 3 95 NA LETTERSIZ E ISO A4 SIZE NA LEGAL SIZE inch mm inch mm inch mm PL 11 279 4 11 7 297 14 355 6 PW 8 5 215 9 8 3 210 8 5 215 9 EL 10 5 266 7 11 19 284 3 13 5 342 9 EW 8 203 2 7...

Page 30: ...0 2 OD Optical density 20 Copy uniformity Printed copies will exhibit a uniform density of the printed and background area 1 From edge to edge 25 unit 2 From copy to the next copy 30 unit 21 Recordin...

Page 31: ...1 ITU T V 17 V 33 2nd 12000 bps 1 1 4 Note 1 ITU T V 17 V 33 3rd 9600 bps 1 1 4 Note 1 ITU T V 17 V 29 4th 7200 bps 1 1 4 Note 1 ITU T V 17 V 29 5th 4800 bps 2 1 4 Note 1 ITU T V 27 ter 6th 2400 bps 2...

Page 32: ...or 5 to 30 seconds Selectable in 5 sec steps F OT9 15 31 Image memory Basic model Optional memory OKIFAX 1050 256K byte 512K byte 1M byte OKIFAX 2350 256K byte 512K byte 1M byte 2M byte OKIFAX 2450 OK...

Page 33: ...cuit 35 PC interface applications Option The following four modes are supported Applies to EIA class 1 1 PC local printer mode 2 PC scanner mode 3 PC transmission mode 4 PC reception mode 36 Power sup...

Page 34: ...x 1 option 5 Curled cord and Telephone cord for 4 x 1 option 6 Document stacker x 1 7 Telephone Line cord x 1 8 One touch sheet x 1 Already installed 9 User s guide x 1 Temperature and Humidity Condit...

Page 35: ...Transmit only Note Sender Id plus Call Back Telephone Number must be programmed to enable this function Call back Message Format Example 2 Sender ID 1 Date and time Fax machines use this information 2...

Page 36: ...ge TF 10 To enable or disable this function TF 09 Local date and time printing OFF ONCE ALL pages TSI Printing and Local Date and Time Printing Format Example 4 Cancel report The fax can automatically...

Page 37: ...he fax can print out an activity report manually or automatically when 30 communications are recorded REPORT PRINTOUT 1 Manual printout TF 34 Automatic printout Default is OFF Message Confirmation Rep...

Page 38: ...n 6 Time when the communication started 7 Time span of the fax communication 8 Identification of the remote station Personal ID Location ID TSI CSI Dial number or space 9 Communication mode CALLING Tr...

Page 39: ...Unmatched handshaking to the received NSF Unmatched password to the received NSC in the polling transmission mode Note 2 The following cases are included The STOP key is pressed The memory cancellati...

Page 40: ...utomatically depending on user set up Note 1 When COPY key is pressed immediately after a single location transmission this report can be printed Manual printout Note 2 A portion of the first page of...

Page 41: ...onal ID Location ID TSI CSI Dial number 7 Communication mode Reference to ACTIVITY REPORT 8 Number of transmitted pages or received pages 9 Result of the communication Reference to ACTIVITY REPORT 10...

Page 42: ...r automatically depending on user set up COPY key Manual printout Pressed immediately after a broadcast will enable the manual printing of a broadcast confirmation report REPORT PRINTOUT 2 Manual prin...

Page 43: ...fidential Reception Report Format Example 10 Telephone directory This directory is printed manually REPORT PRINTING 3 See following sections for examples Copyright 1997 Okidata Division of OKI America...

Page 44: ...er 1 General Information Telephone Directory for OKIFAX 1050 1 2 Example Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any up...

Page 45: ...er 1 General Information Telephone Directory for OKIFAX 1050 2 2 Example Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any up...

Page 46: ...er 1 General Information Telephone Directory for OKIFAX 2350 1 4 Example Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any up...

Page 47: ...er 1 General Information Telephone Directory for OKIFAX 2350 2 4 Example Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any up...

Page 48: ...er 1 General Information Telephone Directory for OKIFAX 2350 3 4 Example Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any up...

Page 49: ...er 1 General Information Telephone Directory for OKIFAX 2350 4 4 Example Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any up...

Page 50: ...3 Service Guide OF1050 2350 2450 Chapter 1 General Information Telephone Directory for OKIFAX 2450 1 6 Example Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Bu...

Page 51: ...Partner Exchange BPX for any updates to this material http bpx okidata com...

Page 52: ...er 1 General Information Telephone Directory for OKIFAX 2450 2 6 Example Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any up...

Page 53: ...er 1 General Information Telephone Directory for OKIFAX 2450 3 6 Example Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any up...

Page 54: ...er 1 General Information Telephone Directory for OKIFAX 2450 4 6 Example Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any up...

Page 55: ...er 1 General Information Telephone Directory for OKIFAX 2450 5 6 Example Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any up...

Page 56: ...er 1 General Information Telephone Directory for OKIFAX 2450 6 6 Example Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any up...

Page 57: ...port This report is printed manually REPORT PRINTING 4 Configuration Report Format Configuration Report Service bit OFF 1 When second paper cassette is installed and paper size is programmed 2 nd pape...

Page 58: ...aper size is programmed 2nd paper size will appear in No 11 2 For OKIFAX 2450 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for a...

Page 59: ...Page 30 Service Guide OF1050 2350 2450 Chapter 2 Setup Information A Setup Information 2 1 General The following flowchart outlines the installation procedure...

Page 60: ...Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com...

Page 61: ...2 2 02 Room temperature 50 to 90 F 10 to 32 C 2 2 03 Humidity 20 to 80 RH 2 2 04 Operating environment Pressure Equivalent of altitude of 8200 feet 2500 m and below 2 2 05 Exposure Within five minute...

Page 62: ...on page 2 3 2 This space is necessary for removing the recording paper cassette 3 This space is necessary for installing the document stacker and to allow space for the fan exhaust 2 2 07 Levelness of...

Page 63: ...or exposed to vibration A dusty location A location with an atmosphere of acid gas or steam etc A location exposed to quick temperature changes Copyright 1997 Okidata Division of OKI America Inc All...

Page 64: ...2 3 Unpacking Procedure 2 3 01 Remove tape on the top of the carton box and open its cover Figure 2 3 1 Unpacking Procedure 1 2 3 02 Take out the accessory box from the carton box See Figure 2 3 1 be...

Page 65: ...Figure 2 3 1 Unpacking Procedure 2...

Page 66: ...ure 2 3 2 Unpacking Procedure 3 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata c...

Page 67: ...ollowing list Table 2 4 1 Contents List Item No Name Qty Remarks 1 OKIFAX 1050 2350 2450 facsimile 1 2 AC power cord 1 3 I D unit 1 Already installed 4 Toner cartridge 1 5 Document stacker 1 6 Line co...

Page 68: ...of Attachments 2 5 01 Items Image Drum ID Unit already installed Toner cartridge Recording paper Document stacker Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA...

Page 69: ...0 Chapter 2 Setup Information 2 5 02 Procedure Toner cartridge Peel off the fixed tape attached on the copy stacker Open the document table and copy stacker Figure 2 5 1 Toner Cartridge Installation 1...

Page 70: ...e or six times as shown in the illustration to eliminate the toner deflection and peel off the seal gently Figure 2 5 3 Toner Cartridge Installation 3 Ensure that the plastic tab on the right hand sid...

Page 71: ...vicinity of the toner cartridge using a cloth moistened with cold water Do not use hot water since it makes the toner stick Close the copy stacker so that both latches are locked completely Copyright...

Page 72: ...ve the paper cassette from the facsimile by pulling it straight out Figure 2 5 6 Recording Paper Cassette Installation 1 Sheets must not exceed the paper full marker of the new paper limit indication...

Page 73: ...Recording Paper Cassette Installation 2 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx...

Page 74: ...nt stacker Hang the document stacker onto the stacker pins Figure 2 5 8 Document Stacker Installation Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Pa...

Page 75: ...eck whether the AC voltage of your input is within the above mentioned voltage range and if so check that the power switch is turned OFF After turning off the power switch connect the female plug of t...

Page 76: ...Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com...

Page 77: ...lines Note For US version telephone cable can be inserted into either upper side or lower side of telephone terminal Figure 2 7 1 Telephone and Line Connections Copyright 1997 Okidata Division of OKI...

Page 78: ...X 1050 2350 2450 for shipment REMOVE THE IMAGE DRUM AND TONER FROM THE UNIT AND SHIP SEPARATELY Failure to do this will result in damage to the machine Copyright 1997 Okidata Division of OKI America I...

Page 79: ...vice Guide OF1050 2350 2450 Chapter 2 Setup Information B Programming and Initial Settings 2 9 Initial Settings 2 9 1 General Procedure of Key Operation Figure 2 9 1 shows the general procedure of key...

Page 80: ......

Page 81: ......

Page 82: ...Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com...

Page 83: ...display shows For Example 1 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 2 0 2 0 1 0 0 0 0 1 0 0 0 0 2 1 5 0 9 0 0 1 1 3 1 1 0 3 0 5 9 0 1 1 0 0 1 0 0 0 0 1 2 1 2 2 2 3...

Page 84: ...be available during dialing but the monitor will be switched off automatically after the elapse of specified time about 5 sec 03 Error report MCF Enables or disables the automatic printing of the OFF...

Page 85: ...d OKIFAX 2350 with 14 4 Kbps modem Setting for OKIFAX 1050 and OKIFAX 2350 with 9 6Kbps modem 0 without EQL without EQL 1 EQL1 EQL3 1 2 EQL2 EQL3 1 3 EQL3 EQL3 1 1 The equalizer is effective for both...

Page 86: ...ge of first reproduced copy Set at receiver When TF09 is set to ALL TSI is printed for the all received pages ON 1 Enable OFF 0 Disable Reference TSI Transmitting Subscriber Identification 11 No toner...

Page 87: ...works 4 If the FAX machine detects CNG signal the fax will go into normal receiving mode 5 Even though the fax does not detect CNG signal the fax will go to receiving mode when answering machine disco...

Page 88: ...is 0 to 15 dB in one dB steps Since the maximum send signal power level dB of the fax is at 0 dB you can select 0 dB to 15 dB in one dB steps for the send signal power level Note The send signal powe...

Page 89: ...or the 10 dB tone send signal 18 for TEL FAX SW for TEL FAX switching Adjusting value is 0 to 15 dB in one dB steps Bit 17 Bit 18 dB 0 0 0 0 1 1 0 2 2 0 3 3 0 4 4 0 5 5 0 6 6 0 7 7 0 8 8 0 9 9 Bit 17...

Page 90: ...0 1 1 0 2 2 0 3 3 0 4 4 0 5 5 0 6 6 0 7 7 0 8 8 0 9 9 Bit 19 Bit 20 dB 1 0 10 1 1 11 1 2 12 1 3 13 1 4 14 1 5 15 T F No Item Specifications Default 21 22 Ring duration detection time Selects the minim...

Page 91: ...ns Default 25 26 27 T1 timeout value XTTO value Registers the time duration in seconds for which the fax waits for the remote station s answer This timer starts when the last dial digit has been sent...

Page 92: ...ad strobe signal Note 2 Intensity ranking is determined by the first second and third digits from the right on the LED print head serial number i e in S N 056 056 is the intensity ranking 0110 Tec hni...

Page 93: ...ON 1 Coding scheme is MH only When the receiving image data is affected by noise on the telephone line OFF 0 Any of MH MR and MMR OFF 0 33 High speed modem rate Specifies the modem s starting speed 1...

Page 94: ...dth by the following table and then select it by this setting Refer to 4 2 1 8 19 208 MM 0 Head width Head label Setting 8 19 208 mm 1115G2 0 8 5 216 mm A4 200 1 T F No Item Specifications Default 37...

Page 95: ...r up to 35 seconds If the operator at the called side does not lift the handset within 35 seconds the machine automati cally starts a document receiving operation Voice conversation will automatically...

Page 96: ...tation Note 1 A choice of TAD mode is available by Technical Function No 12 Note 2 The predetermined time is selectable between 20 or 35 sec 35 seconds is recommended for proper operation Note 3 Choic...

Page 97: ...Page 45 Service Guide OF1050 2350 2450 Chapter 2 Setup Information TEL FAX mode flow chart Notes 1 Ring Back Tone 1 sec ON 3 2 sec OFF 2 When you want to talk by phone pick up handset...

Page 98: ...s detected during the period 4 If the fax does not detect CNG signal during working of TEL FAX mode LCD display indicates LIFT HANDSET Copyright 1997 Okidata Division of OKI America Inc All rights res...

Page 99: ...fax does not detect CNG signal the fax will go to receiving mode 1 To enable the manual TX mode Load document Press START button Manual transmission Copyright 1997 Okidata Division of OKI America Inc...

Page 100: ...In case of TYPE 2 If the fax does not detect CNG signal during working of TAD the machine will go to standby mode Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDAT...

Page 101: ...learing Procedure Operations To bring the LCD up to the desired message press SELECT FUNCTION key once COPY key twice and 2 key In case of no message in memory Press the key Service bit setting is T F...

Page 102: ...2 9 3 02 Technical functions Operations The Display Shows Figure 2 9 1 General Operation Flow Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner E...

Page 103: ...1 Service bit Setting 0 OFF 1 ON 02 Line monitor control Setting 0 OFF 1 ON 03 Error report MCF MCF Message Confirmation Report Setting 0 OFF 1 ON 04 Echo protection Setting 0 OFF 1 ON 05 Off hook byp...

Page 104: ...ate print Setting 0 OFF 1 ONCE 2 ALL page Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx...

Page 105: ...reception Setting 0 OFF 1 ON 12 TAD mode For external telephone asnwering device Setting 0 OFF 1 TYPE1 2 TYPE2 13 Real time dialling Setting 0 OFF 1 TYPE1 2 TYPE2 14 TEL FAX switching Setting 0 OFF 1...

Page 106: ...rsonnel Initial Setting 21 22 Ring duration detection time Setting 10 100ms 99 990ms 10 ms steps Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner...

Page 107: ...3 24 CML timing Setting 0 100ms 19 1900ms 100ms steps 25 26 27 T1 timeout value XTTO value Setting 000 000 sec 255 255sec 28 29 30 31 Strobe width for LED head Setting 0 OFF 1 ON 32 MH only Setting 0...

Page 108: ...h Setting 0 208mm 1 216mm 38 40 Not used Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx...

Page 109: ...entering the corresponding function number on Function Programming The detailed procedure of the initial setting items will be explained on the following pages Note S ON Effective if the service bit h...

Page 110: ...alternate location number When a call to the first location number is not answered the alternate location number will be automatically dialed 40 different codes are provided OKIFAX 1050 64 different...

Page 111: ...nt receive operation If it detects a call without a CNG signal it sounds the buzzer to indicate a voice call Operator can answer the call by lifting the telephone handset If he or she does not lift th...

Page 112: ...rouping some one touch keys and some two digit auto dial codes to which telephone numbers have been assigned This group setting makes broadcast operation simple 7 Telephone directory and location ID A...

Page 113: ...m Vertical 7 7 line mm or variable 10 Multiple local copy Up to 99 copies 11 Manual loading feeder One single sheet from the feeder above the first recording paper cas sette can be copied OKIFAX 2350...

Page 114: ...dcast entry re port if specified in operating sequence 2 The OKIFAX 1050 2350 2450 can print a broadcast confirmation report FP 02 To enable or disable this print out 13 Delayed transmission from the...

Page 115: ...MSG IN MEMORY REPLACE TONER CART in the standby mode TF 11 To enable or disable this function 18 Smooth printing The documents received in the STD mode can be printed at the FINE resolution by means...

Page 116: ...aged in a communication memory TX or memory RX Note Condition for operation a Copy is invalid when the machine is already engaged in an operation which is using or could use the printer 3 Call recepti...

Page 117: ...Information Table 2 9 3 5 6 Feature Specifications Dual Access Combination Table 1 2 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BP...

Page 118: ...59 Service Guide OF1050 2350 2450 Chapter 2 Setup Information Table 2 9 3 6 6 Feature Specifications Dual Access Combination Table 1 2 No Item Specifications 20 Clock adjustment Date and time adjustm...

Page 119: ...To allow the operator in this case the person who wishes to as sign a password to mail box to assign a 4 digit password code to one of 8 OKIFAX 1050 2350 or 16 OKIFAX 2450 mail box memory segments in...

Page 120: ...Page 60 Service Guide OF1050 2350 2450 Chapter 2 Setup Information Users Initial Settings One Touch Key Operations...

Page 121: ...Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com...

Page 122: ...n multiple locations are specified for one broad cast The fax can print a broadcast confirmation report if specified in operating sequence 3 Confidential transmission To program the mail box number 01...

Page 123: ...on 6 Report printing 1 Activity report 2 Broadcast message confirmation report Multi location 3 Phone directory report 4 Configuration report 5 Protocol dump report TF 01 Sets to on Service bit 6 Log...

Page 124: ...Telephone number numeral P and space in 32 digits 2 Alternate fax telephone number in 32 digits additional registration 3 ID for the telephone directory function in 15 characters alphabetic numeric a...

Page 125: ...Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com...

Page 126: ...Page 63 Service Guide OF1050 2350 2450 Chapter 2 Setup Information Table 2 9 4 3 3 One touch key Program Settings F O T No Item Specifications...

Page 127: ...DP PULSE 7 PULSE DIAL RATE 8 PULSE MAKE RATIO 9 PULSE DIAL TYPE 10 MF TONE DURATION 11 PBX LINE 12 FLASH EARTH NORMAL 13 AUTO START 14 ACCESS DIGIT Refer to Table 2 9 5 03 for specification of dial p...

Page 128: ...he operator in this case a person who wishes to assign a password to mail box to assign a 4 digit password code to one of 8 for OKIFAX 1050 8 for OKIFAX 2350 and 16 for OKIFAX 2450 mail box memory seg...

Page 129: ...Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com...

Page 130: ...ge confirmation report Multiple locations Enables of disables the automatic message confirmation report printing after a multiple polling or broadcast ON Prints the MCF report OFF Disables this functi...

Page 131: ...eference TSI Transmitting subscriber identification CSI Called subscriber identification OFF 07 TX mode default Selects automatically the mode set up when a 07 TX mode default docu ment is loaded on t...

Page 132: ...the audible indication of an incoming call through the built in speaker To enable ON or disable OFF a software generated ring sound to indicate arrival of an incoming call ON OFF 14 Remote receive ex...

Page 133: ...Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com...

Page 134: ...y No 9 in the standby mode In case of no message in memory Press the key Enter two digit function number then the display will show the set item corresponding to the number entered If you want to set...

Page 135: ...9 5 User s Functions Tap No Name of Function The Display Shows Message confirmation report Single location Message confirmation report Multiple locations Sender ID Line monitor volume Remote diagnosi...

Page 136: ...Buzzer volume 1 st cassette paper size 2 nd cassette paper size Select language Software ringer set Remote receive Ring response time Memory and feeder selection...

Page 137: ...ing can be selected by using key Note2 When the service bit is set to off and the correspond bit of XPARA of national code is set to off Ring response is bypassed as follows Note3 When 2 nd tray is no...

Page 138: ...X 2450 Remote Receive is bypassed as follows Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http...

Page 139: ...LCD up to the desired message press SELECT FUNCTION key once and one touch key No 9 in the standby mode In case of no message in memory Press the key enter using the ten key pad Enter 15 using the te...

Page 140: ...bit is OFF To get the DIAL PARAMETER message on the display perform the same operation as listed in Section 2 9 12 Dial parameters settings Copyright 1997 Okidata Division of OKI America Inc All righ...

Page 141: ...key once and one touch key No 9 in the standby mode If no message is in memory Enter 3 using the ten key pad Press the key Enter date and time by using the ten key pad 0 to 9 keys Copyright 1997 Okid...

Page 142: ...Page 70 Service Guide OF1050 2350 2450 Chapter 2 Setup Information 2 9 7 Dual Access Operation for OKIFAX 2350 2450...

Page 143: ...Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com...

Page 144: ...ult Blank Registration of sender ID Default Blank Registration of telephone number for the call back message Default Blank Operations To program system ID data press the SELECT FUNCTION key once and o...

Page 145: ...Note Use the UNIQUE key to input special symbols Operations Press the START key Press the START key...

Page 146: ...Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com...

Page 147: ...istration Default Blank Telephone number numeral P Dial Pause and space in 32 digits Alternate telephone number in 32 digits additional registration ID for the telephone directory function in 15 chara...

Page 148: ...Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com...

Page 149: ...Purpose Auto dial No 01 through 40 OKIFAX 1050 No 01 through 64 OKIFAX 2350 or No 01 through 99 OKIFAX 2450 allow registering a telephone number in 32 digits numeral P Dial Pause and space and ID for...

Page 150: ...Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com...

Page 151: ...some one touch keys and some two digit auto dial codes to which telephone numbers have been assigned This group setting makes multiple polling reception and broadcast operation simple OKIFAX 1050 5 d...

Page 152: ...Case 2 Canceling member s from a group...

Page 153: ...Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com...

Page 154: ...Page 75 Service Guide OF1050 2350 2450 Chapter 2 Setup Information 2 9 12 Dial Parameters Settings 2 9 12 01 Procedure The following shows the case in which the service bit is on The display shows...

Page 155: ...Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com...

Page 156: ...p Information 2 9 12 02 Procedure Table 2 9 11 Default Settings of Dial Parameters Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX...

Page 157: ...Dial tone detect Selects the dial tone detection ON OFF selectable ON Enable OFF Disable 05 Busy tone detect Selects the busy tone detection ON OFF selectable ON Enable OFF Disable 06 MF TONE or DP P...

Page 158: ...N Enable OFF Disable 14 Access digit Prefix dialing digits with which PBX Connects the fax to the public line OFF digit s selectable Note When a preprogrammed access digit is recognized in the dialing...

Page 159: ...he operator in this case a person who wishes to assign a password to mail box to assign a 4 digit password to one of 8 for OKIFAX 1050 8 for OKIFAX 2350 16 for OKIFAX 2450 mail box memory segments in...

Page 160: ...Partner Exchange BPX for any updates to this material http bpx okidata com...

Page 161: ...s function will force printing of messages received into memory due to a low toner condition Note Print quality may be poor under these circumstances Copyright 1997 Okidata Division of OKI America Inc...

Page 162: ...es received in a personal box can be printed out only if the password entered by the operator matches that registered for the box Copyright 1997 Okidata Division of OKI America Inc All rights reserved...

Page 163: ...Tests 2 9 15 01 Purpose Activate self diagnosis which includes Print test CPU ROM version printing CPU RAM check FLASH version printing LANGUAGE version printing DEFAULT version printing RAM check RA...

Page 164: ...ed Data of Self diagnosis Print Test Example Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http...

Page 165: ...shows SELECT LOCATION Dial the telephone number of the remote machine by the ten key pad Make sure that the telephone number of the remote machine is shown on the display Press the START button Typic...

Page 166: ...Make sure that The display shows AUTO REC START The message is automatically received Typical message reception flow is described in Figure 2 9 6 Copyright 1997 Okidata Division of OKI America Inc Al...

Page 167: ...Page 84 Service Guide OF1050 2350 2450 Chapter 2 Setup Information Fig 2 9 5 Typical Transmission Flow...

Page 168: ...Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com...

Page 169: ...450 Chapter 2 Setup Information Fig 2 9 6 Typical Reception Flow Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to...

Page 170: ...C Installation of Optional Units 2 10 01 Items Memory board PC interface board Telephone handset Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner...

Page 171: ...ord from the wall outlet first and then from the facsimile Do not remove unnecessary parts Since screws and small parts are easily misplaced they should temporarily be attached to their original posit...

Page 172: ...EM MEM 2 or MEM 3 memory board can be mounted on to the connector CN13 of the OKIFAX 2350 2450 MCNT board OKIFAX 1050 Remove Rear Cover Remove the rear cover by removing the two screws S1 and S2 Insta...

Page 173: ...fter that lift the rear cover slightly and push it to the inside Tighten the two screws S1 and S2 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partne...

Page 174: ...y removing the two screws S1 and S2 Install PCIU board First install PCIU board on to the connector CN12 of the OKIFAX 1050 MCNT board and then tighten the two screws to the separation plate OKIFAX 23...

Page 175: ...en out the telephone set telephone handset and curled cord from the carton box connect them as show in Fig C 3 2 After installing the connection cable to the telephone set extend the connection cable...

Page 176: ...e telephone assembly on the facsimile transceiver unit In this case cram the telephone assembly into the position of Fig C 3 5 by lifting the facsimile transceiver unit slightly When 2 nd tray is moun...

Page 177: ...n cable formed on the rear side of the equipment like Fig C 3 6 to the telephone set Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BP...

Page 178: ...onfiguration and Block Diagram 3 1 01 The unit configuration of the OKIFAX 1050 is as follows Figure 3 1 1 Unit Configuration of OKIFAX 1050 1 Main control board MCNT R054 R050 2 Network control unit...

Page 179: ...ce or Optional Memory Board can be installed in the OKIFAX 1050 Because there is one expansion connector however both boards cannot be installed at the same time Copyright 1997 Okidata Division of OKI...

Page 180: ...FAX 2350 2450 is as follows Figure 3 1 2 Unit Configuration of OKIFAX 2350 2450 1 Main control board R175 for OKIFAX 2350 R175 2 for OKIFAX 2450 2 Modem board MODEM 3 Network control unit NCU 4 PC int...

Page 181: ...ards Telephone interface board TEL U Hook board HOOK Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this materi...

Page 182: ...2 Overall Dimension and Mechanical Structure of OKIFAX 1050 Figure 3 2 Overall Dimension and Mechanical Structure Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDAT...

Page 183: ...Overall Dimension and Mechanical Structure of OKIFAX 2350 2450 Figure 3 3 Overall Dimension and Mechanical Structure Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKI...

Page 184: ...imile transceiver 3 4 02 OKIFAX 2350 2450 Boards and Units The following boards and units constitute the OKIFAX 2350 2450 facsimile transceiver machine Main control board MCNT OKIFAX 2350 R175 OKIFAX...

Page 185: ...defaults DRAM For OKIFAX 1050 P SRAM For OKIFAX 2350 2450 Memory storage for ECM operations memory broadcast delayed broadcast etc Back up battery circuit Nonrechargable lithium battery supplies volta...

Page 186: ...gramming Automatic gain control Generation of single frequency signals for tonal signals Detection of single frequency tonal signals Generation of Dual Time Multiple Frequency signals for tone dialing...

Page 187: ...replaced as an assembly Individual boards are not available Supervision of switches on operation panel Control of LEDs on operation panel Control of LCD on operation panel LED Light emitting diode LCD...

Page 188: ...lephone line Detection of ringing signal Detection of busy tone conjunction with Modem unit Detection of hook signal on hook off hook indication Interface with telephone handset option Output of send...

Page 189: ...rents 5V DC power supply 8V DC 8V DC power supply 30V DC power supply Supplying of main alternating current to fuser unit Generation of medium voltages 300V 300V 400V 450V and 0V Generation of high vo...

Page 190: ...3 5 05 MEMO memory board Option P SRAM Memory storage for ECM operations memory broadcast delayed broadcast etc Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA...

Page 191: ...050 board Optional PC Interface The P050 board is used as an interface between the OKIFAX units and PC compatible computer Copyright 1997 Okidata Division of OKI America Inc All rights reserved See th...

Page 192: ...Description Printer Operation 3 5 07 HOOK board Optional handset Hook switch circuit Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BP...

Page 193: ...iption Printer Operation 3 5 08 TELU board Option For US and Canada Speech network circuit Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Excha...

Page 194: ...econd paper cassette unit for OKIFAX 2350 2450 MOS CPU Motor control Interfaces with the Main Control Board to provide second paper cassette control R054 Package Layout OKIFAX 1050 Copyright 1997 Okid...

Page 195: ...CPU Central processing unit D MOTOR Drum motor DRV Motor drive DRAM Dynamic random access memory EXSEE Image processing gate array FAN Fan motor FLASH Flash memory IOGA 1 Input output gate array IOGA...

Page 196: ...e 3 5 1 OKIFAX 1050 Block Diagram Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata...

Page 197: ...Board Description Printer Operation Figure 3 5 2 OKIFAX 2350 2450 Block Diagram Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for...

Page 198: ...IOGA The data is converted into a serial data by the picture control of IOGA and transferred to the LED print head for printing as HDATA Writing of data into the page memory is also possible during th...

Page 199: ...2 For OKIFAX 2350 2450 show 300bps send protocol signal route In G3 communication this is the route of the procedural control signals pre message post message phases etc at 300bps The protocol send da...

Page 200: ...d NCU and then sent out to the telephone line 3 6 08 Memory Reception This signal route describes the memory reception used in no paper mode no toner reception confidential mode etc The encoded data r...

Page 201: ...e 3 7 02 300 bps send signal Figure 3 7 2 shows the 300 bps send protocol signal route 3 7 03 300 bps receive signal Figure 3 7 3 shows the 300 bps receive protocol signal route 3 7 04 G3 send picture...

Page 202: ...Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com...

Page 203: ...ter 3 Board Description Printer Operation Okifax 1050 300 bps Send Signal Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any u...

Page 204: ...r 3 Board Description Printer Operation Okifax 1050 300 bps Receive Signal Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any...

Page 205: ...r 3 Board Description Printer Operation Okifax 1050 G3 Send Picture Signal Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any...

Page 206: ...3 Board Description Printer Operation Okifax 1050 G3 Receive Picture Signal Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for an...

Page 207: ...ter 3 Board Description Printer Operation Okifax 1050 Report Print Signal Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any u...

Page 208: ...s the 300 bps send protocol signal route 3 8 03 300 bps receive signal Figure 3 8 3 shows the 300 bps receive protocol signal route 3 8 04 G3 send picture signal Figure 3 8 4 shows the G3 send picture...

Page 209: ...Partner Exchange BPX for any updates to this material http bpx okidata com...

Page 210: ...pter 3 Board Description Printer Operation Okifax 2350 2450 300 bps Send Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any up...

Page 211: ...3 Board Description Printer Operation Okifax 2350 2450 300 bps Receive Signal Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for a...

Page 212: ...3 Board Description Printer Operation Okifax 2350 2450 G3 Send Picture Signal Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for a...

Page 213: ...Board Description Printer Operation Okifax 2350 2450 G3 Receive Picture Signal Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for...

Page 214: ...3 Board Description Printer Operation Okifax 2350 2450 Report Print Signal Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any...

Page 215: ...ollowing direct currents DC based on the alternating current AC 120 V 6 15 AC 230 V 15 14 1 Low voltage power supply circuit This circuit generates the following voltages Output Voltage Output Voltage...

Page 216: ...0 1 A 15 to 6 5 V 3 0 VP P 3 6 VP P Transformer type B OKIFAX 2350 2450 Pin No Rated Voltage Rated Current Current Range Voltage Range Output Ripple Output Noise CN3 11 12 CN3 26 5 V 1 8 A 0 2 to 4 5...

Page 217: ...Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com...

Page 218: ...ter 3 Board Description Printer Operation General functional description Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any up...

Page 219: ...description AC input section AC commercial power is supplied to line filter circuit through the AC inlet power switch SW1 and the fuse F1 Fuse F1 is used for protecting the heater circuit Fuse F2 is u...

Page 220: ...message 6 High voltage section Functional overview The high voltage outputs consist of TR1 1 kV TR2 0 75 kV DB1 300 V DB2 300 V SB2 450V CB 400 V and CH 1 35 kV and are obtained as follows The contro...

Page 221: ...d high voltage generation unit DANGER 3 9 03 FXVE for 120 V FXVH for 230 V Circuit Diagram 2 2 This circuit consists of power control IC2 photo sensors and high voltage generation unit 3 9 03 FXVE for...

Page 222: ...Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com...

Page 223: ...w voltage signal by photocoupler IC1 and output to the MCNT as signal HUP1 This notifies the MCNT that the phone line is off hook Relay Driver Circuit CML RL1 and RL4 relay signal Relays RL1 and RL4 s...

Page 224: ...NCUU Package Layout OKIFAX 1050 2350 2450 Figure 3 10 1 Block Diagram of NCUU...

Page 225: ...Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com...

Page 226: ...e board of the optional telephone assembly when it is installed on the facsimile transceiver Block diagram Figure 3 11 1 Block Diagram of TEL U Figure 3 11 1 Block Diagram of TEL U Copyright 1997 Okid...

Page 227: ...pter 3 Board Description Printer Operation Block Diagram of TEL U option Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any up...

Page 228: ...r 3 Board Description Printer Operation Relationship between NCUU and TEL U Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any...

Page 229: ...f 512 kbyte MEMO or 1 Mbyte MEMO 2 memory board can be added for OKIFAX 1050 One of 512 kbyte MEMO 1 Mbyte MEMO 2 or 2 Mbyte MEMO 3 memory board can be added for OKIFAX 2350 2450 The relationship betw...

Page 230: ...1 0 Mbyte 100 100 120 110 2 0 Mbyte 180 200 195 Note No of sheets are counted provided that ITU T No 1 sample document is used No of sheets are typical value Expanded Memory Optional OKIFAX 1050 2350...

Page 231: ...ng an RS 232D cable supplied with the optional PC Interface Kit Note OKIFAX 1050 2350 2450 applies to EIA class 1 and class 2 as PC interface although class 1 is used as the default setting Block diag...

Page 232: ...1 Block Diagram of P050 PC interface unit Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx...

Page 233: ...wing functions Paper capacity 500 sheets Paper size A4 Letter Legal Paper size selection Automatic Cassette no cassette selection Automatic Paper no paper selection Automatic Paper route open to facsi...

Page 234: ...Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com...

Page 235: ...R175 2 board and is the main motor of this mechanism 3 15 04 LED head Image data for each dot on a line is transferred from the MCNT R054 R050 R175 R175 2 board and is received by the shift and latch...

Page 236: ...Electrographic Process Flow Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com...

Page 237: ...r 3 Board Description Printer Operation Layout of Print Station Components Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any...

Page 238: ...tch so that turning each of these gears in reverse direction will not be transmitted to the corresponding roller Hopping During paper hopping the registration stepper motor turns in the a direction in...

Page 239: ...aper In this case the hopping gear also turns but the hopping roller is prevented from turning by the one way clutch gear The paper is further advanced in synchrony with the print data Copyright 1997...

Page 240: ...ductive layer and a surface protective layer that has elasticity in order to secure a good contact with the EP image drum When the DC voltage 1 35 KVDC applied from the Power Supply Unit exceeds a thr...

Page 241: ...ace is charged to about 750 V by the contact charge of the charge roller When light from the LED head irradiates the EP image drum surface the light energy generates positive and negative carriers in...

Page 242: ...Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com...

Page 243: ...harges positive and the toner negative The excess toner attracted to the developing roller is scraped off by the doctor blade forming a thin coating of toner on the developing roller surface Toner is...

Page 244: ...Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com...

Page 245: ...tion of a high positive voltage 1 KVDC from the Power Supply Unit FXVE FXVH board to the transfer roller causes the positive charge induced on the transfer roller surface to be transferred to the pape...

Page 246: ...oller A thermister which is in contact with the heater roller regulates the heater roller at a predetermined temperature about 160 C for OKIFAX 1050 and about 185 C for OKIFAX 2350 2450 A safety therm...

Page 247: ...e transfer residual toner on the EP image drum is attracted to the cleaning roller temporarily by static electricity to clean the EP image drum surface Copyright 1997 Okidata Division of OKI America I...

Page 248: ...and the printout operation ends When a cleaning cycle is requested in the technical function local test mode Changes in bias voltage applied to each roller move adhesive toner from the roller to the...

Page 249: ...50 2450 consists of six essential processes The following Figure 3 17 1 provides a general description Process 1 Charging 2 Exposure 3 Developing 4 Transfer 5 Fusing 6 Cleaning Figure 3 17 1 Actual EP...

Page 250: ...isory message 3 18 02 Recoverable errors 2 nd tray door open No cassette in 2 nd tray No paper in 1 st cassette No paper in 2 nd cassette 3 18 03 Alarms warning Low toner Note 1 The major trouble erro...

Page 251: ...words the printing will continue even if the fan alarm occurs during printing 3 19 03 Toner Low Detection Composition The device consists of a stirring gear which rotates at a constant rate a stirring...

Page 252: ...l toner low can be detected Low Toner Alarm A check for low toner is carried out at all times when the drum is rotating The toner sensor is not monitored while the drum motor is not rotating TONER FUL...

Page 253: ...OKIFAX 1050 8 ppm 3 2 sec 0 16 1 00 sec OKIFAX 2350 2450 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this ma...

Page 254: ...o the developing roller where it is recycled Cleaning is automatically performed when the number of prints exceed 10 sheets or the one job operation ends At the end of communication or copy operations...

Page 255: ...or Paper Size Error The time interval between when the paper contacts the paper sensor and the outlet sensor determines which size length paper is being used This error occurs if The paper size of the...

Page 256: ...ensor 1 This photosensor is positioned before the registration roller to detect whether the paper has entered into the printer section PS 2 Write sensor Detects the arrival of paper at designated posi...

Page 257: ...SW 2 Cover open switch Detects whether the cover of the printer section is open or not Interlock for high voltage power supply 0 Cover is open 1 Cover is closed Figuree 3 21 1 Sensor Location Top View...

Page 258: ...Inlet Jam This jam occurs when either of the following conditions occur When the printer is powered ON paper is at inlet sensor 1 After the hopping operation is attempted three times the leading edge...

Page 259: ...r of the following conditions occur The paper does not pass over the paper sensor within a pre determined period of time The leading part of the paper does not reach the outlet sensor within a pre det...

Page 260: ...Figure 3 21 2 Paper Feed Jam Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com...

Page 261: ...ep disassembly to a minimum 4 When disassembling follow the prescribed sequence Otherwise parts may be damaged 5 Since screws and small parts are likely to be lost they should temporarily be attached...

Page 262: ...Table 4 1 1 shows the tools required for the replacement of parts such as circuit boards and mechanical units Table 4 1 1 Tools Copyright 1997 Okidata Division of OKI America Inc All rights reserved...

Page 263: ...ssembly 4 2 How to Disassemble and Reassemble This section explains how to disassemble and reassemble the fax Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Bus...

Page 264: ...assembly procedure a Open the Document Table assembly b Open the Stacker Cover by pressing the latches inward c Disconnect the flat cable from the PC connector d Remove the LED print head while spread...

Page 265: ...lacing the LED print head set drive time of the print head using the adjustment procedure in Chapter 5 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business P...

Page 266: ...um Rear Cover NCU Cover Main Cover Separation Plate NCU Board Modem Board 1 Disassembly procedure 1 Image Drum Rear Cover NCU Cover Main Cover a Open the Document Hopper assembly b Open the stack cove...

Page 267: ...Remove the NCU Cover by remov ing one screw 3 g First lift the Main Cover from the front side Then remove the Main Cover by pushing it toward the rear to dislodge it from the nails at both sides on t...

Page 268: ...by removing two screws 5 Lift board from its connector b Remove the MODEM Board by removing one screw 6 Lift board from its connector Note OKIFAX 1050 The modem is part of the MCNT PCB and is not rem...

Page 269: ...rocedure Reverse the disassembly procedures Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http b...

Page 270: ...ble then slide it to the right to dislodge it from its hinges Carefully remove its cable and ground wires from the frame e To separate the Control Panel Assembly from the Paper Guide U Assembly Lay th...

Page 271: ...ove the ground cables by removing two screws 5 b Remove the Feed Roller by removing the gear and ADF bearings Use care to maneuver the roller around the ground plates with as little bending of the pla...

Page 272: ...the key when removing the shaft Note Be careful as not to break the shaft of the Exit Roller when removing 2 Reassembly procedure Reverse the disassembly procedures Copyright 1997 Okidata Division of...

Page 273: ...ro cedure up to the point of the 4 2 2 Rear Cover and Main Cover and 4 2 3 Control Panel Assembly and Paper Guide U Assembly b Disconnect the connectors from the MCNT Board and slide the AC inlet from...

Page 274: ...tact Image Sensor Turn the Scanner Frame Assembly upside down and perform the disassembly procedure a Remove the Bottom Plate by removing the three screws 4 b Remove the sub roller from the Scanner Fr...

Page 275: ...or 5 PC1 PC2 a After disconnecting the two connectors remove the photocoupler sensors PC1 and PC2 on the Bottom Plate by carefully pressing the latch with a flat screwdrivers 2 Reassembly procedure Re...

Page 276: ...ner Unit Assembly removal Refer to Sub section 4 2 4 1 Registration Stepper Motor and Main Stepper Motor a Remove the Registration Stepper Motor by removing the two screws 1 then remove the wire harne...

Page 277: ...r Cover a Open the copy stacker by pushing the buttons b Disconnect the flat cable from the PC connector Remove the LED head while spreading the retainer on the Copy Stacker c Remove the Copy Stacker...

Page 278: ...cker Cover must be removed first 6 Manual Feed Assembly only OKIFAX 2350 2450 a First carry out the disassembly procedure up to the point of Main Cover removal Refer to sub section 4 2 2 b Remove the...

Page 279: ...Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com...

Page 280: ...ot including the point of the Fusing Unit removal Refer to sub item 4 2 4 b Disconnect the two motor connectors and the LED head connector CN2 CN3 and CN4 on the MCNT board c Remove the Lower Base by...

Page 281: ...t reset levers c Remove the left reset lever 2 d Remove the right reset lever 3 e Lift the back up pressure roller 4 at A and slide it in the direction of arrow B and remove the roller using care not...

Page 282: ...Remove the image drum cartridge wedge the blade between the transfer roller gear on the base frame d Using a flat blade screwdriver wedge the blade between the transfer roller gear and the base frame...

Page 283: ...rocedure Reverse the disassembly procedures Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http b...

Page 284: ...ry out the disassembly procedure up to the point of the Lower Base removal Refer to sub item 4 2 6 b Remove the One way Clutch Gear c Press the Registration Roller to the right side and lift up the le...

Page 285: ...mbly should also be removed when removing the outlet sensor plate b Press and hold the latches 1 while pushing the Toner Sensor up and out 2 Reassembly procedure Reverse the disassembly procedures Cop...

Page 286: ...NCU Board and Modem Board 2350 2450 Refer to sub section 4 2 3 Note MCNT board is shown below Okifax 1050 R054 R050 board Okifax 2350 R175 board Okifax 2450 R175 2 board b Remove the Scanner Unit as a...

Page 287: ...the MCNT Board by removing the five screws 2 3 Power Supply Unit and Contact Assembly a Disconnect the two connectors from the Transformer b Remove the Power Supply Unit by removing the three screws 3...

Page 288: ...ormer by disconnecting the two connectors 2 Reassembly procedure Reverse the disassembly procedures Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Part...

Page 289: ...there is a rank marking range left most column The ranking printed on the LED head should fall within one of these ranges After locating the appropriate range follow the row right to the asterisk colu...

Page 290: ...175 2 MCNT board for OKIFAX 2450 Measurement points Ground terminal Specification 5V 4 4 5V to 5 2V Measuring equipment required Digital voltmeter Measurement 1 Turn AC power OFF 2 Remove the rear cov...

Page 291: ...1 5VDC Measurement Points on MCNT Board Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx o...

Page 292: ...54 R050 MCNT board for OKIFAX 1050 R175 MCNT board for OKIFAX 2350 and R175 2 MCNT board for OKIFAX 2450 Measurement points SIG signal CN10 1 pin and ground terminal Specification A waveform sample is...

Page 293: ...IG Signal Measurement Points on MCNT Board Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bp...

Page 294: ...eference Item No in Fig 6 1 1 1 Toner Cartridge 1200 sheets ITU T document sample No 1 For the first toner cartridge to a new I D Unit 2500 sheets ITU T document sample No 1 For the second or later ca...

Page 295: ...system data backup The lithium battery is mounted on the MCNT board and is not field replacable The battery life is up to five years and is not rechargeable 4 NiCad Battery Image Data Backup OKIFAX 2...

Page 296: ...Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com...

Page 297: ...ocal copied image to expand vertically Perform this cleaning as necessary 2 3 Sub Roller Clean with water 3 4 Pinch Rollers Clean with ethyl alcohol 4 5 ADF Roller Clean with water If the surface of t...

Page 298: ...eaning Clean the machine s covers with mild soap on a cloth dampened with cold water Dry completely Note Always disconnect the machine from power before cleaning 9 12 Optical sensors Vacuum any dust a...

Page 299: ...y or key 6 3 02 Procedure The following shows the case when the service bit has been set OFF Note Clear Operation User can clear only DRUM counter When the drum has reached its life span LCD shows REP...

Page 300: ...Clear 6 4 01 Purpose The service personnel can clear and check the following counters Image Drum Toner Image Drum Total Print Scan 6 4 02 Procedure The following shows the case when the service bit ha...

Page 301: ...Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com...

Page 302: ...01 Purpose To check ROMs RAMs and printing function 6 5 02 Procedure Test report will be automatically printed out with the following items OKIFAX 1050 a Pattern 1 Stair pattern 32 lines in each step...

Page 303: ...RAM s number OK NG i OPT RAM1 OPT RAM2 In case OPT RAMi is good In case OPT RAMi is not good i is RAM s number OK NG j PC I F VERSION PC I F In case PC I F is good In case PC I F is not good HASH OK...

Page 304: ...M2 RAM3 In case RAMi is good In case RAMi is not good i is RAM s number OK NG i OPT RAM1 OPT RAM2 OPT RAM3 OPT RAM4 In case OPT RAMi is good In case OPT RAMi is not good i is RAM s number OK NG j PC I...

Page 305: ...IFAX 1050 OPT RAM1 OK 2 OPT RAM2 OK 2 2 marked items are optional OPT RAM3 OK 2 OPT RAM4 OK 2 PC I F VERSION PP01 2 HASH OK 1507 Figure 6 5 1 Self diagnosis Data Copyright 1997 Okidata Division of OKI...

Page 306: ...Page 165 Service Guide OF1050 2350 2450 Chapter 6 Cleaning and Maintenance 6 6 Sensor Calibration Test 6 6 01 Purpose To adjust the linearity of output levels of contact image sensor...

Page 307: ...check the copy quality by copying test charts or documents Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this...

Page 308: ...ance 6 7 LED Test 6 7 01 Purpose To check all LEDs on operation panel by lighting 6 7 02 Procedure Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partn...

Page 309: ...Send Test 6 8 01 Purpose To send G3 tonal frequencies through the phone line for remote testing 6 8 02 Procedure Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA...

Page 310: ...50 2450 Chapter 6 Cleaning and Maintenance 6 9 High speed Modem Send Test 6 9 01 Purpose To check the telephone line quality in combination with a remote station programmed to the high speed modem rec...

Page 311: ...Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com...

Page 312: ...urpose To check the telephone line quality in combination with a remote station programmed to the high speed modem send test mode 6 10 02 Procedure Copyright 1997 Okidata Division of OKI America Inc A...

Page 313: ...1 MF Send Test 6 11 01 Purpose To send the multi frequencies of tone dialing to the line 6 11 02 Procedure Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Busine...

Page 314: ...ne TEL FAX 6 12 01 Purpose To check the pseudo ring back tone of TEL FAX automatic switching 6 12 02 Procedure Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Bu...

Page 315: ...ner on the I D Image Drum Unit surface A printed page will carry the residual toner from the machine This cleaning should be performed when print quality becomes questionable 6 13 02 Procedure Copyrig...

Page 316: ...6 14 01 Purpose To analyze the transmitted received G3 protocol signals This data is useful when troubleshooting communications problems Copyright 1997 Okidata Division of OKI America Inc All rights r...

Page 317: ...ure Manual print out of the last communication Note The service bit TF 1 must be ON to enable the Protocol Dump Report Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OK...

Page 318: ...Page 175 Service Guide OF1050 2350 2450 Chapter 6 Cleaning and Maintenance 6 14 03 Dump data description Data sample Figure shows the printed data as a sample...

Page 319: ...Figure 6 14 1 Protocol Dump Data Sample at transmitter side...

Page 320: ...Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com...

Page 321: ...ntenance 6 14 04 Analysis from the data The printed out data permits to analyze G3 facsimile communication protocol signals between two facsimile machines Figure 6 14 2 shows the result of an analysis...

Page 322: ...6 14 2 Result of Analysis Example Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidat...

Page 323: ...bscriber Identification DIS 01 Digital Identification Signal NSC 84 Non Standard Facilities Command CIG 82 Calling Subscriber Identification DTC 81 Digital Transmit Command NSS 44 C4 Non Standard Set...

Page 324: ...8 B8 Response to End of Retransmission FCD 60 Facsimile Coded Data PPS 7D FD Partial Page Signal PPR 3D BD Partial Page Request RCP 61 Return to Control for Partial Page RNR 37 B7 Receiver not Ready R...

Page 325: ...ing and Maintenance 6 15 System Reset 6 15 01 Purpose To clear or initialize the following data a Location data b Configuration data default 6 15 02 Procedure Copyright 1997 Okidata Division of OKI Am...

Page 326: ...Partner Exchange BPX for any updates to this material http bpx okidata com...

Page 327: ...ission phase B 29XX For error codes in Group 3 reception phase B 39XX For error codes in Group 3 reception phase C 41XX For error codes in Group 3 transmission phase D 49XX For error codes in Group 3...

Page 328: ...ded the specified limit 39B0 Memory Overflow has occurred while receiving in memory 39B1 Memory Overflow occurred during Confidential Reception 39C0 DECODER hardware error cannot reproduce picture 39C...

Page 329: ...received for 13 seconds 90C7 Error frame protocol received 90D4 Hardware error in transmission system response of modem not detected 90D5 ENCODER error Picture storage fault 90F0 Option 2 nd tray err...

Page 330: ...2 No LCD operation O 7 3 7 3 ALARM LED on O 7 4 7 4 Printing test failure O O 7 5 7 5 No local copy O O 7 6 7 6 Auto dial failure O 7 7 7 7 Transmission problem O 7 8 7 8 Auto reception failure O 7 9...

Page 331: ...ment jam O 7 24 7 22 Printer unit 7 25 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx ok...

Page 332: ...Page 181 Service Guide OF1050 2350 2450 Chapter 7 Troubleshooting and Repair 7 1 Overall Troubleshooting Flow Chart...

Page 333: ...Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com...

Page 334: ...2450 Chapter 7 Troubleshooting and Repair 7 2 No LCD Operation Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to...

Page 335: ...50 2450 Chapter 7 Troubleshooting and Repair 7 3 ALARM LED ON Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to th...

Page 336: ...50 Chapter 7 Troubleshooting and Repair 7 4 Printing Test Failure Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates t...

Page 337: ...Page 185 Service Guide OF1050 2350 2450 Chapter 7 Troubleshooting and Repair 7 5 No Local Copy...

Page 338: ...Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com...

Page 339: ...handset is picked up NO Make sure the RJ 11C is connected to the LINE Jack on the OKIFAX Can a dial tone be heard YES End of procedure NO Unplug the Okifax 1000 from the RJ 11C and attach a standard...

Page 340: ...Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com...

Page 341: ...tation Before beginning Printout the Activity Report Look for common failure items For instance is one particular country area code or phone number always causing the problem If possible substitute th...

Page 342: ...e the following assemblies in the order listed 1 Modem board OKIFAX 2350 2450 only 2 MCNT board 3 NCU U board Note This procedure determines the cause of a problem which occurs after the OKIFAX unit c...

Page 343: ...Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com...

Page 344: ...Page 188 Service Guide OF1050 2350 2450 Chapter 7 Troubleshooting and Repair 7 8 Auto Reception Failure...

Page 345: ...Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com...

Page 346: ...ation Before beginning Printout the Activity Report Look for common failure items For instance is one particular country area code or phone number always causing the problem If possible substitute the...

Page 347: ...e the following assemblies in the order listed 1 Modem board OKIFAX 2350 2450 only 2 MCNT board 3 NCU U board Note This procedure determines the cause of a problem which occurs after the OKIFAX unit c...

Page 348: ...Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com...

Page 349: ...e Sensor Is the problem resolved NO Check the Scan Control Cable for continuity YES End of procedure NO Is abnormal feeding observed during the SCANNING CHECK NO End of procedure YES Is the document n...

Page 350: ...Partner Exchange BPX for any updates to this material http bpx okidata com...

Page 351: ...Page 191 Service Guide OF1050 2350 2450 Chapter 7 Troubleshooting and Repair 7 11 LED Test...

Page 352: ...Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com...

Page 353: ...2450 Chapter 7 Troubleshooting and Repair 7 12 Tone Send Test Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to t...

Page 354: ...Page 193 Service Guide OF1050 2350 2450 Chapter 7 Troubleshooting and Repair 7 13 High speed Modem Test...

Page 355: ...Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com...

Page 356: ...0 2450 Chapter 7 Troubleshooting and Repair 7 14 MF Send Test Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to th...

Page 357: ...0 Chapter 7 Troubleshooting and Repair 7 15 Tone TEL FAX Send Test Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates...

Page 358: ...tic Line Monitor There are two source routes of acoustic line monitor a General communication signal b DP pulse signal Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OK...

Page 359: ...2450 Chapter 7 Troubleshooting and Repair 7 17 Power Supply Unit Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to...

Page 360: ...Page 198 Service Guide OF1050 2350 2450 Chapter 7 Troubleshooting and Repair 7 18 No Document Feeding...

Page 361: ...Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com...

Page 362: ...eding Definition Multiple document feeding Multiple documents are not separated and they are fed in the same one feeding operation Copyright 1997 Okidata Division of OKI America Inc All rights reserve...

Page 363: ...Page 200 Service Guide OF1050 2350 2450 Chapter 7 Troubleshooting and Repair 7 20 Document Skew...

Page 364: ...Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com...

Page 365: ...Page 201 Service Guide OF1050 2350 2450 Chapter 7 Troubleshooting and Repair 7 21 Document Jam...

Page 366: ...Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com...

Page 367: ...ecording paper normal 5 Has the Image Drum been loaded properly 2 Tips for correcting image troubles 1 Do not touch or bring foreign matter into contact with the surface of the drum 2 Do not expose th...

Page 368: ...over copy stacker is open 1 Image drum alarm 14 14 FAX CHANGE DRUM Warning message to replace ID unit because of its life 2 Engine errors PRINTER ALARM 2 TEL PLEASE CONFIRM Engine controller error Opt...

Page 369: ...X REPLACE TONER CART Toner is running short Note No toner memory RX is ON 14 14 FAX REPLACE TONER CART Toner is running empty Note No toner memory RX is OFF Copyright 1997 Okidata Division of OKI Amer...

Page 370: ...bleshooting and Repair Troubleshooting flow chart 1 The cover copy stacker is open Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX...

Page 371: ...and Repair Troubleshooting flow chart 2 Warning message to replace ID unit because of its life Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner E...

Page 372: ...shooting and Repair Troubleshooting flow chart 3 Engine controller error ROM RAM error Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange...

Page 373: ...roubleshooting and Repair Troubleshooting flow chart 4 Fan motor rotation error Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for...

Page 374: ...ms Diagram NO Adjust the contacts as necessary YES Refer to Action Item 10 Power OFF then Power ON Does PRINTER ALARM 4 occur approximately 60 seconds after powering ON the unit YES Is the heater lamp...

Page 375: ...he paper length stop must be set for the correct paper size but should not be pinching the paper Paper should not be loaded above the paper fill indicator Note 2 The programmed settings of user functi...

Page 376: ...infused in the drive gear chain can cause jamming Note 4 Check fuser heat and back up rollers for dirt or toner contamination Clean as necessary Always allow fuser to cool before cleaning Use Caution...

Page 377: ...ce MCNT board 2 Check the following replace if necessary POWER SUPPY UNIT Cover Open Switch Cover Open Switch connection MCNT Board 3 Check one way clutch gears for proper operation 4 Replace cassette...

Page 378: ...pen state PWU MCNT Board 15 Check MCNT Board 16 Check paper sensor lever PWU MCNT Board Action Items Diagram High voltage outputs and measurement points are connected to the contact assembly as shown...

Page 379: ...belts or some white stripes in vertical direction Fig F 14 Poor fusing Images are blurred or peeled off when touched by hands ___ 15 Figure 7 22 1 Abnormal Symptoms of Image Troubles Example Copyrigh...

Page 380: ...0 Chapter 7 Troubleshooting and Repair Troubleshooting flow chart 8 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates...

Page 381: ...0 Chapter 7 Troubleshooting and Repair Troubleshooting flow chart 9 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates...

Page 382: ...Chapter 7 Troubleshooting and Repair Troubleshooting flow chart 10 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates...

Page 383: ...Chapter 7 Troubleshooting and Repair Troubleshooting flow chart 11 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates...

Page 384: ...to repetitive spots or unusual marks on printed pages Measure the distance between them to determine the problem Note ID refers to the Image Drum Copyright 1997 Okidata Division of OKI America Inc Al...

Page 385: ...Chapter 7 Troubleshooting and Repair Troubleshooting flow chart 13 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates...

Page 386: ...Page 217 Service Guide OF1050 2350 2450 Chapter 7 Troubleshooting and Repair Troubleshooting flow chart 14 Troubleshooting flow chart 15...

Page 387: ...Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com...

Page 388: ...Page 218 Service Guide OF1050 2350 2450 Chapter 8 Drawings and Parts List OKIFAX 1050...

Page 389: ...Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com...

Page 390: ...Page 219 Service Guide OF1050 2350 2450 Chapter 8 Drawings and Parts List OKIFAX 2350 2450...

Page 391: ...Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com...

Page 392: ...Page 220 Service Guide OF1050 2350 2450 Chapter 8 Drawings and Parts List OKIFAX 1050...

Page 393: ...Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com...

Page 394: ...Page 221 Service Guide OF1050 2350 2450 Chapter 8 Drawings and Parts List OKIFAX 2350 2450...

Page 395: ...Section 1 Cabinet Illustratio n Number OKIFAX Description Okidata Part Number Oki Part Number...

Page 396: ...50 2350 2450 PLATE PARTITION 51019501 3PP4120 1088P 1 9 1050 2350 2450 COVER REAR 53076001 1PP4120 1090P 1 10 1050 2350 2450 TRAY STACKER 50221001 1PP4120 1093P 1 11 1050 2350 2450 SCREW N A BTD3 8 IO...

Page 397: ...Page 222 Service Guide OF1050 2350 2450 Chapter 8 Drawings and Parts List OKIFAX 1050 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business...

Page 398: ...Partner Exchange BPX for any updates to this material http bpx okidata com...

Page 399: ...Page 223 Service Guide OF1050 2350 2450 Chapter 8 Drawings and Parts List OKIFAX 2350 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business...

Page 400: ...Partner Exchange BPX for any updates to this material http bpx okidata com...

Page 401: ...Page 224 Service Guide OF1050 2350 2450 Chapter 8 Drawings and Parts List OKIFAX 2450 Section 2 Control...

Page 402: ...10 1 4 1050 FUNCTION SHEET N A 3PB4120 1070P10 4 2350 FUNCTION SHEET N A 3PB4120 1070P11 0 4 2450 FUNCTION SHEET N A 3PB4120 1070P21 0 5 1050 2350 2450 TEN KEY LABEL N A 4PB4014 4776P20 1 6 1050 SHEET...

Page 403: ...350 2450 Chapter 8 Drawings and Parts List OKIFAX 2350 2450 Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this...

Page 404: ...Page 226 Service Guide OF1050 2350 2450 Chapter 8 Drawings and Parts List OKIFAX 1050 Section 3 Printer Illustratio n Number OKIF AX Description Okidata Part Number Oki Part Number...

Page 405: ...ER MOTOR IDLE 51225701 4PP4083 2593P1 6 1050 2350 2450 GEAR REDUCTION 51229301 3PP4083 6076P1 7 2350 2450 GUIDE MANUAL FEED ASSY 51011001 2PA4083 6130G1 8 1050 2350 2450 UNIT FUSER 120V ASSY 50220801...

Page 406: ...P 53343702 3PB4083 6064P2 21 1050 2350 2450 BUSHING PRESSURE ROLLER 51607601 4PP4083 6052P1 22 1050 2350 2450 SPRING BIAS 50925301 4PP4083 6065P1 23 1050 2350 2450 BASE LOWER SUB ASSY 50220701 1PA4120...

Page 407: ...50 LED HEAD 56110802 4YA4116 1115G2 34 1050 2350 2450 CONNECTOR PC 56730201 224A1286P0140 35 1050 2350 2450 CABLE LED ASSY 56632401 4YX4120 1124G1 36 1050 2350 2450 SCREW N A T2P4 12HHC 37 1050 2350 2...

Page 408: ...PP4083 6031P1 48 1050 2350 2450 BRACKET MOTOR 51709901 3PP4083 6071G1 49 1050 2350 2450 TRAY STACKER COVER EXT 50104801 2PP4083 6162P1 50 1050 2350 2450 FILM STACKER MYLAR 52203401 4PB4120 1138P1 51 1...

Page 409: ...Page 227 Service Guide OF1050 2350 2450 Chapter 8 Drawings and Parts List OKIFAX 1050...

Page 410: ...Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com...

Page 411: ...56730001 3PA4083 6090G1 3 1050 2350 2450 POWER SUPPLY UNIT 120V 56414601 4YA4049 7109G1 4 1050 PCB MAIN CONTROL 55079001 4YA4134 1031G1 4 2350 PCB MAIN CONTROL 55079011 4YA4134 1031G11 4 2450 PCB MAIN...

Page 412: ...15 1050 2350 2450 PLATE BASE SUB ASSY 51018901 1PA4120 1158G1 16 1050 2350 2450 PLATE CASSETTE SENSOR 51011501 3PP4083 6154P1 17 1050 2350 2450 PLATE PAPER SUPPLY SENSOR 51019701 4PP4083 7667P1 18 10...

Page 413: ...N A TP2 6 8 HHC 29 1050 2350 2450 SPRING SEPARATOR 50930701 4PP4083 7728P1 30 1050 2350 2450 SPRING ANTI VIBRATION 50926901 4PP4083 6228P1 31 1050 2350 2450 INDICATOR PAPER SUPPLY 57001501 3PP4122 117...

Page 414: ...Page 229 Service Guide OF1050 2350 2450 Chapter 8 Drawings and Parts List OKIFAX 1050 2350 2450 Section 5 Scan Unit...

Page 415: ...5 1050 2350 2450 LEVER PC1 50808701 3PP4120 1016P1 6 1050 2350 2450 PLATE POCKET 51020001 3PP4120 1038P1 7 1050 2350 2450 BASE SCANNER R 50221201 2PP4120 1037P1 8 1050 2350 2450 SPRING LATCH 50930101...

Page 416: ...1 19 1050 2350 2450 SPRING SCANNER 50930401 4PP4120 1030P1 20 1050 2350 2450 SENSOR CONTACT IMAGE 50410101 4YB4120 1121P1 21 1050 2350 2450 ROLLER ADF ASSY 50410201 3PA4120 1018G1 22 1050 MOTOR SCAN 5...

Page 417: ...Page 230 Service Guide OF1050 2350 2450 Chapter 8 Drawings and Parts List OKIFAX 1050 2350 2450...

Page 418: ...Section 6 Paper Guide Illustratio n No OKIF AX Description Okidata Part Number Oki Part Number...

Page 419: ...2450 PLATE PINCH ASSY 51020501 4PA4120 1041G1 7 1050 2350 2450 BRUSH GROUND 51305101 4PB4120 1051P1 8 1050 2350 2450 GEAR Z28 51236401 4PP3529 5035P1 9 1050 2350 2450 RUBBER SEPARATOR ASSY 53344901 4...

Page 420: ...50 2450 SCREW N A BTP3 8 IOF 18 1050 2350 2450 GROUND WIRE N A 4YS4011 1714P3 19 1050 2350 2450 FRAME PAPER GUIDE U ASSY 51020601 2PA4120 1213G1 Copyright 1997 Okidata Division of OKI America Inc All...

Page 421: ...Page 231 Service Guide OF1050 2350 2450 Chapter 8 Drawings and Parts List OKIFAX 1050...

Page 422: ...Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com...

Page 423: ...Page 232 Service Guide OF1050 2350 2450 Chapter 8 Drawings and Parts List OKIFAX 2350 2450...

Page 424: ...Section 7 Cables Illustratio n No OKIF AX Description Okidata Part Number Oki Part Number...

Page 425: ...ROL 56632701 4YS1111 3442P1 6 1050 2350 2450 CORE FERRITE 55505201 105A1070C0001 7 1050 2350 2450 CORD AC POWER 56618901 4YS3512 1485P1 8 1050 2350 2450 CABLE TEL LINE 56621001 236A3161P2 9 1050 2350...

Page 426: ...1050 2350 2450 BOX SPARES KRAFT 53552208 N A 2 1050 2350 2450 FOAM PACKAGING TOP 53581601 N A 3 1050 2350 2450 FOAM PACKAGING BOT L 53581602 N A 4 1050 2350 2450 FOAM PACKAGING BOT R 53581603 N A Cop...

Page 427: ...ntenance personnel and describes the field maintenance methods for High Capacity Second Paper Feeder option of OKIFAX 2350 2450 Series Plain Paper Facsimile Systems Copyright 1997 Okidata Division of...

Page 428: ...per Type Standard paper Xerox 4200 20 lb Special paper OHP sheets for PPC Label sheets PPC sheets use of envelopes or thick paper is not possible Cut sheet size A4 A5 B5 Letter Executive Legal13 Legal...

Page 429: ...he hopper into the printer through the turning of the hopping roller and feed roller Once delivered into the facsimile the paper is then controlled and fed through by pulse motor registra tion of the...

Page 430: ...e the High Capacity Paper Feeder if it is operating normally 2 Establish the extent of disassembly suitable for the purpose of the procedure and do not disassemble any more than necessary 3 Only speci...

Page 431: ...Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com...

Page 432: ...Page 238 Service Guide OF1050 2350 2450 Chapter 9 High Capacity Second Paper Feeder Maintenance 9 3 2 Parts Layout This section describes the layout of the main components Fig 3 1...

Page 433: ...Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com...

Page 434: ...eplacement Methods This section describes the parts replacement methods for the components listed in the disassem bly order diagram below Copyright 1997 Okidata Division of OKI America Inc All rights...

Page 435: ...Second Paper Feeder 3 Remove six screws 2 and remove the upper plate 3 Remove two screws 5 and remove the hopping frame assy 6 4 Remove the front cover assy 4 off the guide boss on the guide L 2nd ass...

Page 436: ...ide R 2nd assy 0 7 Remove the protect M D guide bracket E planet gears F and planet gear bracket G 8 Remove the E ring H which is keeping the sheet link I on the guide R 2nd assy 0 and pull out the hi...

Page 437: ...Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com...

Page 438: ...ge 3 3 3 Hopping Roller Assy and One way Clutch Gear 1 Follow up to step 3 of 9 3 3 1 and remove the hopping frame assy 2 Remove the screw 1 and remove the earth plate 2 Remove the gear 3 and remove t...

Page 439: ...Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com...

Page 440: ...el Go through the appropriate troubleshooting procedures according to the messages displayed on the LCD 9 4 3 Troubleshooting Method When a problem occurs go through the troubleshooting according to t...

Page 441: ...Check the paper in the High Capacity Second Paper Feeder Also check to see if there was a feeding of multiple sheets Carry out the recovery printing by opening and closing the cover and turn the erro...

Page 442: ...Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com...

Page 443: ...ity Second Paper Feeder Maintenance 9 5 Connection Diagram 9 5 1 Interconnection Diagram Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchang...

Page 444: ...r 9 High Capacity Second Paper Feeder Maintenance 9 5 2 PCB Layout TQSB PCB Copyright 1997 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any...

Page 445: ...Page 245 Service Guide OF1050 2350 2450 Chapter 9 High Capacity Second Paper Feeder Maintenance 9 6 Parts List...

Page 446: ......

Page 447: ......

Page 448: ...Figure 6 1 High Capacity Second Paper Feeder...

Page 449: ...12 Sensor Lever P 3PP4122 1331P001 50411201 1 13 Roller Feed Assembly 3PA4122 1393G001 50222501 1 14 Cable and Connector 3YS4111 3528P001 56633901 1 15 Motor Pulse 3PB4122 1399P001 56512201 1 16 Brac...

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