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MultiPASS C755 Chapter 3: Maintenance & Service

4.4 Processing Communication Problems

4.4.1 Initial identification of problems

Since the facsimile must transmit picture information, a transmitter, a receiver and telephone lines are
required for this purpose. Transmissions may cause problems if one or more of the three is poor.

Figure 3-13 Communication Trouble

Figure 3-14 Procedures for Initial Identification of Trouble

FAX

Your

customer's

machine

Communication

companion

machine

Communication

trouble

To process communication problems, first of all, it is necessary to narrow down the cause of the problem.

Thus, the procedures appearing below must be checked accordingly.

Start

Is copying

being done?

Communication problems

exist. Carry out the procedures

on the next page.

Do copying

Is copy

picture OK?

Does an error
appear on the

display?

Errors show on the display.

error massage page 3-16
error code

page 3-22

General error

Page 3-30

Printing problem

Page 3-31

Test print

Scanning problem

Page 3-33

YES

Содержание MultiPASS C755

Страница 1: ...MultiPASS C755 SERVICE MANUAL Canon ...

Страница 2: ... by discharge of static electricity for example States a precaution to be taken to prevent damage to electronic components by electrostatic discharge Informs you of fire related cautions Informs you that the plug must be removed from the power outlet before starting an operation Gives useful information to understand descriptions Indicates sections to be read to obtain more detailed information NO...

Страница 3: ...the products for adjustment and troubleshooting and service operations and service switches Chapter 4 Appendix This part explains the informations of the optional products and user data flow For more details of user operations and user reports see the separate volume of USER S GUIDE Greasing points is not given in this manual See the illustrations in the separate volume of PARTS CATALOG Detailed d...

Страница 4: ...III III REVISION HISTORY REVISION CONTENT 0 Original ...

Страница 5: ...9 3 3 2 Print media Chapter 2 Assembly and Disassembly 2 1 1 ATTENTION TO BE PAID DURING ASSEMBLY DISASSEMBLY 2 1 1 1 Safety Cautions 2 2 1 2 General Cautions 2 3 1 3 Product Inherent Cautions 2 3 1 4 Action in the Event of Abnormality All Clear 2 4 2 DISASSEMBLY ASSEMBLY 2 4 2 1 Parts Layout 2 6 2 2 Disassembly Work Flow 2 7 2 3 Disassembly Procedure Chapter 3 Maintenance Service 3 1 1 MAINTENANC...

Страница 6: ...oblems 3 35 4 4 Processing Communication Problems 3 35 4 4 1 Initial identification of problems 3 36 4 4 2 Procedures for processing communication problems 3 39 5 COMMUNICATION SYSTEM OPERATIONS 3 39 5 1 FAX TEL Switching 3 39 5 1 1 Settings 3 39 5 1 2 Parameters 3 40 5 2 Answering Machine Connection 3 40 5 2 1 Settings 3 40 5 2 2 Parameters 3 40 5 3 Manual Auto Reception Switching 3 40 5 3 1 Sett...

Страница 7: ...m and NCU tests 3 67 7 2 7 Faculty tests 3 72 7 2 8 Printer test 3 73 8 SERVICE REPORT 3 73 8 1 Report Output Function 3 73 8 1 1 User report output functions 3 75 8 1 2 Service report output functions 3 83 9 WIRING DIAGRAM 3 83 9 1 Wiring Diagram 3 84 10 BLOCK DIAGRAM 3 84 10 1 Block Diagram 3 85 10 2 Circuit Board Components Chapter 4 Appendix 4 1 1 USER DATA FLOW 4 1 1 1 User Data Flow by Opera...

Страница 8: ...e When paper and ink run out the data is saved to memory so there is no worry When a external phone is attached fax communication and normal telephone reception are possible due to DRPD service and FAX TEL switching BJ Cartridge Printing quality superior to photos is produced by use of BC 30 and BC 33 BC 34 photo BJ cartridges Out of Ink Function This machine has a function which detects when ink ...

Страница 9: ... Telephone Network Applicable Services DRPD Distinctive Ring Pattern Detection Handset None Transmission method Half duplex Transmission control protocol ITU T T30 binary protocol ECM protocol ITU T V 8 protocol V 34 protocol ECM protocol Modulation method G3 image signals ITU T V 27ter 2 4k 4 8k bps ITU T V 29 7 2k 9 6k bps ITU T V 17 TC7 2k TC9 6k 12k 14 4k bps ITU T V 34 2 4k 4 8k 7 2k 9 6k 12k...

Страница 10: ... next document starts if several pages are transmitted 3 Post message after last pages Time from after image transmission is completed until line is switched from facsimile to telephone Minimum transmission time 10 msec G3 0 msec G3 ECM Transmission output level From 0 to 15 dBm Receive input level From 3 to 43 dBm Modem IC FM336 2 3 Color Communication Specification ITU T recommendation ITU T T 3...

Страница 11: ...e density Scanning speed Operation Mode Line density Motor step Scanning speed interval FAX Standard 8 dot mm 3 85 line mm 150 dpi step 5 msec line Direct TX 203 2 dpi 97 79 dpi 3 3 msec line Memory TX Fine 8 dot mm 7 7 line mm 300 dpi step 3 3 msec line 203 2 dpi 195 58 dpi Scanner Text Binary 150 dpi or less 150 dpi step 5 msec line 151 300 dpi 300 dpi step 3 3 msec line 301 600 dpi 600 dpi step...

Страница 12: ...anning length 11 54 10 84 13 84 289 297 mm 271 4 279 4 mm 347 6 355 6 mm 3 Left margin 0 04 0 14 0 04 0 14 0 04 0 14 1 0 mm 3 5 mm 1 0 mm 3 5 mm 1 0 mm 3 5 mm 4 Right margin 0 04 0 14 0 04 0 14 0 04 0 14 1 0 mm 3 5 mm 1 0 mm 3 5 mm 1 0 mm 3 5 mm 5 Top margin 0 08 0 08 0 08 0 08 0 08 0 08 2 0 mm 2 0 mm 2 0 mm 2 0 mm 2 0 mm 2 0 mm 6 Bottom margin 0 08 0 08 0 08 0 08 0 08 0 08 2 0 mm 2 0 mm 2 0 mm 2 ...

Страница 13: ...o BCI 3PM Photo Product code F47 2171 F47 2181 F47 2191 F47 2201 F47 2231 F47 2211 F47 2221 Ink contains 23g BCI 3BK 11g others Ink detection Optical LOW Ink sense Printing speed Black Approx 8 7 pages minute in case of character print Color Approx 4 6 page minute Printing resolution 360 dpi 360 dpi Normal print 1440 dpi 720 dpi Printer mode 180 dpi 180 dpi Economy print Printing in a checkered pa...

Страница 14: ...03 2 mm 203 2 mm 2 Left margin 0 13 0 06 0 25 0 06 0 25 0 06 3 4 1 5 mm 6 4 1 5 mm 6 4 1 5 mm 3 Right margin 0 13 0 06 0 25 0 06 0 25 0 06 3 4 1 5 mm 6 4 1 5 mm 6 4 1 5 mm 4 Top margin 0 12 0 06 0 12 0 06 0 12 0 06 3 0 1 5 mm 3 0 1 5 mm 3 0 1 5 mm 5 Bottom margin 0 20 0 12 0 20 0 12 0 20 0 12 5 0 3 0 mm 5 0 3 0 mm 5 0 3 0 mm Units are inches with mm shown in parentheses The header and footer are p...

Страница 15: ... 13 inch 3 4 mm LTR LGL 0 25 inch 6 4 mm 0 12 inch 3 0 mm 0 20 inch 5 mm 0 27 inch 6 4 mm COM 10 1 24 inch 31 4 mm DL 0 41 inch 10 4 mm 1 26 inch 32 0 mm 0 93 inch 23 5 mm COM 10 9 48 4 17 inch 241 106 mm DL 8 66 4 33 inch 220 110 mm b a a b c d e f c d W L W L a b c W L W L b a c d Printable area contains recomended printing area e f e f 1 26 inch 32 0 mm 0 91 inch 23 0 mm BC 30 1 02 inch 26 0 mm...

Страница 16: ...hite 360 dpi 360 dpi direct copy 8 dot mm 7 7 line mm memory copy Color 360 dpi 360 dpi PLAIN PAPER HI RES PAPER COLOR SNAPSHOT 180 dpi 180 dpi COLOR DRAFT Printing 360 dpi 360 dpi Copy magnification ratio 100 90 80 70 150 200 COLOR SNAP SHOT Figure 1 4 Printing Range 2 Recommended print area Printable area Banner paper a b Max 6 folds To be cut at the edge of the 7th fold 1 2 3 4 5 6 c d a 0 13in...

Страница 17: ...ted Max 30 reservation Confidential Tx Rx None Relay broadcasting originating None Relay broadcasting None Reception Dual Access Yes FAX TEL switching Yes Method CNG detection Message None Pseudo CI None Pseudo ring Yes Pseudo ringback tone Yes Reduction settings for reception Yes Automatic reduction of reception images Yes 100 70 Built in Answering machine None Answering machine connection Yes Te...

Страница 18: ...ty management report Every 20 transactions always transmission and reception together Activity report sending receiving One touch speed dialling list Coded speed dialling list Group dialling list Memory clear list User s data list Document memory list Multi activity report b Service report System data list System dump list Error list Transmitting terminal identification Yes Time Management data Ye...

Страница 19: ...he MultiPASS DOCUMENT TRAY When open holds scanned documents as they exit the MultiPASS When closed serves as a cover for the operation panel OUTPUT TRAY Holds printed pages as they exit the MultiPASS PAPER GUIDE Keeps print media in position Adjust to the width of the print media DOCUMENT GUIDES Keep the document in position when being scanned Adjust to the width of the document HANDLE Opens the ...

Страница 20: ...pter 1 General Description USB PORT PARALLEL INTERFACE PORT TELEPHONE ANSWERING MACHINE DATA MODEM JACK TELEPHONE LINE JACK POWER CORD CONNECTOR Back View Inside View PRINTER COVER CARTRIDGE HOLDER Figure 1 6 External View 2 ...

Страница 21: ...ss this button to turn on its light Hook Button Engages or disengages the telephone line Alarm Light Flashes when an error occurs or when the MultiPASS is out of paper or ink Receive Mode Button Selects the receive mode Copy Button Sets the MultiPASS to make copies Image Quality Button Selects the resolution setting the MultiPASS uses for the document you are sending Also selects the image quality...

Страница 22: ...ta registration Memory Reference Button Performs operations with documents stored in memory Also prints documents in memory you no longer want to upload to your PC Buttons Move the cursor left or right when registering data Space Button Enters a space between letters and numbers when registering information Button Enters a plus sign when registering your unit fax telephone number Report Button Pri...

Страница 23: ...o press for the character you want If you pause for more than 60 seconds between entering characters the unit will automatically return to standby mode Button Letters A Numbers 1 W X Y Z w x y z 9 T U V t u v 8 P Q R S p q r s 7 0 M N O m n o 6 J K L j k l 5 G H I g h i 4 D E F d e f 3 A B C a b c 2 1 1 SYMBOLS PRS 7 TUV 8 WXY 9 GHI 4 JKL 5 MNO 6 ABC 2 DEF 3 Tone OPER 0 Letter input A Number input...

Страница 24: ...Magenta Yellow Black Photo Photo Photo Photo InkTank BCI 3PBK Photo Ink Tank BCI 3PBK Photo BCI 3PC Ink Tank BCI 3PM Ink Tank BCI 3Y Ink Tank Black Cyan Magenta Yellow Photo Photo Photo Photo Photo PHOTO BLACK BJ TANK BCI 3PBK Photo or BCI 3ePBK Photo PHOTO CYAN BJ TANK BCI 3PC Photo or BCI 3ePC Photo PHOTO MAGENTA BJ TANK BCI 3PM Photo or BCI 3ePM Photo YELLOW BJ TANK BCI 3Y or BCI 3eY PHOTO BLAC...

Страница 25: ... cartridges always follow the guidelines for cartridge maintenance For optimum printing results and to avoid printing problems Canon recommends that you only use the Canon BJ cartridges and tanks mentioned in this guide InkTank BCI 3BK Black Ma de in Jap an PUSH Ink Tank BCI 3BK Black InkTank BCI 3BK Black Ma de in Jap an PUSH Ink Tank BCI 3BK Black BLACK BJ TANK BCI 3BK or BCI 3eBK BLACK BJ TANK ...

Страница 26: ...opes with letters enclosed You may be able to stack envelopes of other sizes in the multi purpose tray However Canon cannot guarantee consistent performance on envelope sizes other than U S Commercial No 10 and European DL Glossy Photo Paper GP 301 Canon Glossy Photo Paper GP 301 is a high gloss thick paper that produces the look and feel of a photograph Use this paper with the Photo BJ cartridge ...

Страница 27: ... backlit device such as a light box High Gloss Photo Film HG 201 Canon High Gloss Photo Film HG 201 features a bright white finish that lends striking visual power to charts graphs and photographic images It creates a sharper and more vivid color output than is possible with coated paper Use of this film gives your presentation materials and graphics a professional look This film provides the best...

Страница 28: ...e components to cool down General high temperature components are as follows Motors Power supply unit Elements on driver ICs etc on PCBs in particular ICs with heatsinks BJ cartridge aluminium plate for BJ cartridge engine models Fixing unit and peripheral covers for LBP engines Fire It is dangerous to throw lithium batteries and parts and components containing flammable substances such as cartrid...

Страница 29: ...lyester clothing and leather soled shoes favouring instead cotton clothes and rubber soled shoes Avoid working in a carpeted area Before beginning the work touch the grounded earth terminals of the main unit in order to discharge any static electricity Use a wrist strap and earth the metal parts of the main unit PCBs and electrical elements must lifted around the edges and their terminals must not...

Страница 30: ...he BJ cartridge is conductive This means that if the ink leaks mechanical parts should be wiped with a dampened paper towel or similar and electrical circuits wiped with tissue paper so that all ink is removed from below the IC chips If power is switched on while ink is leaking on the electrical circuits the circuitry may short out and be damaged If ink is leaking the power must be switched off 1 ...

Страница 31: ...nning assembly printing assembly and printer Figure 2 2 Mechanical Layout Paper feed motor Document path Document feed section Paper path Printer section Paper feed section Lifting plate Pick up roller Carriage motor Carriage belt Paper feed roller Paper eject roller Document feed motor Document feed roller Document eject roller Separation roller ...

Страница 32: ...mbly statuses Figure 2 3 Electrical Layout Paper edge sensor Detects the state of paper feeding and delivery Pickup roller sensor Detects the state of pickup roller Ink detect sensor Detects that there is no ink in the ink chamber Reflection type sensor Document sensor Detects whether or not a document is set Document edge sensor Detects the trailing edge of the document Home position sensor Detec...

Страница 33: ...sassembly number Figure 2 4 Disassembly Work Flow Main unit Upper cover Printer cover 1 PCNT board 13 Scanner Operation panel 2 Operation panel 7 Separation roller 11 Document feed motor 12 SCNT NCU board 3 Print ASS Y 4 Separation guide 8 White sheet unit 9 Contact sensor 10 Power suplly unit 5 Waste ink absorber 6 Purge unit 16 Paper feed motor 19 Carriage unit 17 ASF unit 14 Ink sensor 20 Pick ...

Страница 34: ...he two tabs b then remove the upper cover c and the printer cover d Figure 2 5 Disassembly 1 NOTE To remove the upper cover insert the tool into the two holes shown in the diagram and prise loose the tabs The front part of the cover is fastened with tabs so it needs to be pulled forward and then lifted up When attaching the cover fit the tabs in first a b c d ...

Страница 35: ...board Then remove the two cables j from the carriage motor and the ink sensor and remove the cable guide c When you remove the cable guide prise loose the tabs d 3 Remove the two screws g 4 Remove the two screws a and then take off the ground plate b 5 Remove the stopper h and then remove the control panel and ADF upper assembly 6 Remove the two screws i and remove the ADF lower assembly Figure 2 ...

Страница 36: ... off the whole plate assembly 3 Remove the three cables connected to the SCNT board 4 Remove the four screws b and remove the SCNT board c For details on ROM replacement see page 2 23 Disassembly 22 ROM replacement NCU board 1 Perform Disassembly 1 and Disassembly 2 3 2 Remove the two screws a and then take off the whole plate assembly 3 Remove the three cables connected to the NCU board 4 Remove ...

Страница 37: ...t button and then use the buttons to select the reports to be output a 3 Service reports After selecting service data mode press the Report button and then use the buttons to select the reports to be output b SCNT replacement procedure 1 Remove the old board 2 Take out the new SCNT board from its bag 3 The jumper plug JP6 on the new SCNT board is not shorted in order to prevent unnecessary battery...

Страница 38: ...Remove the two screws a 3 Use a screwdriver or similar to prise loose the two tabs e 4 Take hold of the handles shown in the diagram and take out the printer c Disassembly 5 Power supply unit 1 Perform Disassembly 4 and then remove the printer assembly 2 Remove the two screws b 2 Remove the power supply unit d Figure 2 8 Disassembly 4 and Disassembly 5 e e c b d b a a ...

Страница 39: ...s judged to have reached 100 the message CHECK PRINTER error code 342 will be displayed and printing will stop in order to ensure that the volume of ink absorbed does not exceed the allowed limit To clear this error you need to replace the waste ink absorption pad and reset the waste ink volume counter Refer to page 3 28 Action for 342 for details on how to reset the waste ink volume counter Disas...

Страница 40: ...he operation panel assembly you need to purchase the operation panel unit and operation panel sheet and then attach the operation panel sheet onto the operation panel unit Align the upper edge of the sheet against the top of the operation panel adjust the position and then stick it down carefully NOTE Figure 2 11 Operation Panel Sheet Attachment Disassembly 7 Operation panel 1 Perform Disassembly ...

Страница 41: ...ase The separation pad shaft is coated with grease so be careful not to get it on your hands or clothes If grease has been removed apply a suitable amount Disassembly 9 White sheet unit 1 Perform Disassembly 7 and remove the operation panel 2 Remove the white sheet unit c Unhook the catch d as shown in the diagram Be careful here not to lose the spring e Figure 2 12 Disassembly 8 and Disassembly 9...

Страница 42: ...When replacing the contact sensor the CS LED light on duration needs to be adjusted Refer to page 3 6 3 1 CS LED Lights on Duration Adjustment for details Disassembly 11 Document separation roller 1 Perform Disassembly 1 and Disassembly 2 up to step 5 2 Remove the cover a and the three tabs b 3 Bend the bushing with your finger and remove the separation roller and shaft together 4 Take out the sep...

Страница 43: ...TE Disassembly 13 PCNT board See Figure 2 15 1 Carry out Disassembly 1 2 Remove all the cables attached to the PCNT board 3 Remove the two screws a 4 Remove the PCNT board b Removal of screws When removing screws you should use a short handled screwdriver that will not interfere with the ASF unit If you use a long handled screwdriver you may not be able to get at the screws easily and may end up d...

Страница 44: ...13 and Disassembly 14 Disassembly 14 ASF unit 1 Carry out Disassembly 4 2 Remove the two red screws c 3 Bend the tabs d with your hand and remove the ASF unit For details on how to adjust the ASF unit refer to page 3 9 3 4 When the ASF Gear Initial Position Adjustment is required a b c a d ...

Страница 45: ...e the pickup roller to position a and then loosen the tabs b and slide out the pickup roller c to the left and remove it Figure 2 17 Disassembly 16 Figure 2 16 Disassembly 15 Disassembly 16 Purge unit 1 Perform Disassembly 4 and remove the print ass y 2 Remove the three screws a 3 Remove the purge unit b b c a b a a ...

Страница 46: ...pping position When the printer is able to be powered on the carriage lock is released However if the printer is not working normally you may need to release the carriage lock manually As illustrated in the diagram below the carriage lock can be released by removing the cartridge and pushing down on the purge unit lever and sliding the carriage to the left Figure 2 18 Carriage Lock Release ...

Страница 47: ... Loosen the two screws a and remove the carriage belt 3 Remove the two pins b 4 Remove the spring c 5 Remove the paper selector lever d 6 Remove the carriage shaft e 7 Remove the two flat cables connecting the PCNT board to the carriage 8 Remove the cable guide f 9 Remove the carriage unit g Figure 2 19 Disassembly 17 b f g a e c b d ...

Страница 48: ... up to Disassembly 17 2 and take off the carriage belt 2 Remove the two screws a 3 Remove the paper feed motor b Disassembly 19 Carriage motor 1 Carry out Disassembly 4 and remove the printer assembly 2 Remove the two screws c 3 Remove the carriage motor d Figure 2 20 Disassembly 18 and Disassembly 19 b d a c ...

Страница 49: ...y out Disassembly 4 and remove the printer assembly 2 Take off the sensor cover a 3 Disengage the ink sensor b from the connector cables Disassembly 21 Spur unit 1 Carry out Disassembly 20 2 Disengage the tab c 3 Remove the Spur unit d Figure 2 21 Disassembly 20 and Disassembly 21 a b c d ...

Страница 50: ...o be output b ROM replacement procedure 1 Remove power cord 2 Put on a wrist strap and take any other available anti static precautions 3 Perform Disassembly 1 4 Use the ROM removal tool to remove the ROM from the SCNT board and PCNT board Be sure to check which ROM goes back to which board 5 Match up the new ROM and the notch in the IC socket and insert the new ROM Make sure that you are putting ...

Страница 51: ...2 24 MultiPASS C755 Chapter 2 Assembly and Disassembly This page intentionally left blank ...

Страница 52: ...None 1 2 Cleaning For the cleaning procedure see 2 HOW TO CLEAN PARTS on page 3 4 Level Location When User Main unit outer covers When dirty Printer platen When ink adheres to the platen Separation roller When document separation performance deteriorates Document feed eject When document feed eject performance deteriorates roller Separation guide When document separation performance deteriorates S...

Страница 53: ...D lights on duration which can be adjusted via button operation is also adjusted automatically in the following cases When power is turned ON then SRAM data is corrupted When this product is shipped after factory adjusment of the CS LED light on duration the exposure control data is stored in SRAM Because this data is preserved by the Lithium battery even if the power supply is shut off further ad...

Страница 54: ...Tools Tool Use Part No Grease FLOIL G311S Apply to specified parts TKC 0953 Grease IF 20 Apply to specified parts CK 8006 Grease PG 641 Apply to specified parts CK 0562 Grease PERMALUB G No 2 Apply to specified parts CK 0551 Gap gauge 2 3mm For adjusting the head gap QY9 0054 Tension spring For adjusting the carriage belt tension QY9 0043 Cover opener For opening the upper cover HY9 0021 Cover ope...

Страница 55: ...the operation panel and wipe with a dry soft cloth 2 6 White Sheet Open the operation panel and wipe with a dry soft cloth 2 7 Printer Platen Open the Printer cover and wipe with a cloth moistened with a little water If the parts above are very dirty wipe with a cloth moistened with IPA isopropyl alcohol Do not use tissue paper Dust from the tissue paper causes static electricity Precautions when ...

Страница 56: ...3 5 MultiPASS C755 Chapter 3 Maintenance Service Figure 3 1 Cleaning Location Separation roller Document feed roller Document eject roller Printer platen Scanning glass White sheet Separation guide ...

Страница 57: ...rned ON If the data is invalid the adjustment is made automatically Because the user is automatically prompted it is almost never necessary to perform this adjustment during normal use However if the SCNT board Contact sensory ass y or lithium battery is replaced be sure to perform this adjustment Also if the color or brightness of scanned or copied images is faulty performing this adjustment may ...

Страница 58: ... attaching the BJ cartridge Set 2 or more sheets of normal paper sized A4 or LTR on the Auto Sheet Feeder and perform head position adjustment following the steps in Fig 3 4 Figure 3 3 Print Position Adjustment Patterns Be sure to set A4 or LTR sized paper in the ASF before printing the head position adjustment pattern Using printing paper smaller than the printing area of the data when performing...

Страница 59: ...HS B1 0 For the Printed B1 pattern use or button to enter the Value above the perfectly lines DATA ENTRY OK For the Printed B2 pattern use or button to enter the Value above the perfectly lines HS B2 0 Printing the HQ pattern DATA ENTRY OK HQ B1 0 For the Printed B1 pattern use or button to enter the Value above the perfectly lines DATA ENTRY OK HQ B2 0 For the Printed B2 pattern use or button to ...

Страница 60: ...ission source of the ASF drive and the ASF gear Preparing for the Adjustment Make sure that the purge unit s ASF drive gear is in the initial position when assembling If it is in the initial position assemble the printer with the ASF unit removed and Procedures 1 through 3 are not necessary If it is not in the initial position follow the adjustment procedures described below 1 Manually rotate the ...

Страница 61: ...ure 3 7 2 Hold the gear still with your fingers and fix the ASF unit to the printer chassis by screw Align the projection of the ASF gear with the indention of the ASF drive gear Placing the hooks on the upper side of the ASF and slowly swinging the ASF down will ease the installation 3 Fix the ASF unit to the printer chassis with screws to keep the adjusted gear position Cam Mark Mark Mark Mark P...

Страница 62: ...screws for fixing both sides of the printer chassis by half a turn to loosen them from their fixed position 4 Move the paper selctor lever to the thick paper position lower position Make sure that the gap gauge is not deformed and no foreign matter is attached to the gap gauge or the platen before performing the adjustment Figure 3 8 Head Gap Adjustment 1 Fixing Screw Red Head Gap Adjustment Board...

Страница 63: ...er position down 8 Move the carriage belt manually and bring the carriage to Position B2 Align the left edge of the carriage with the edge of the ink sensor s cover 9 Install a black BJ cartridge with no ink tank in the carriage 10 Move the paper selector lever up and down 2 or 3 times and then with the lever raised in the plain paper position tighten the left fixing screw 11 Remove the black BJ c...

Страница 64: ...3 13 MultiPASS C755 Chapter 3 Maintenance Service This page intentionally left blank ...

Страница 65: ...22 General errors Page 3 30 The unit does not power on Thedisplaylooksabnormal The buttons do not work No sound from the speaker Printing problem Evaluation criteria Test printing is no good The paper is not fed properly Page 3 31 The paper feed motor does not run The paper is not picked up from the auto sheet feeder The printing operation is abnormal Page 3 31 Nothing is printed The carriage moto...

Страница 66: ...gainst the rollers The document does not separate Faulty scanner unit s sensors The scanning image is abnormal Page 3 34 Nothing is printed The image has vertical stripes The image has thick vertical stripes The half tone image contains black dots The color or brightness of the scanned image is not normal Processing communication problems Page 3 35 Initial identification of problems Procedures for...

Страница 67: ... to the registered number Cause The touch tone rotary pulse setting on your fax is incorrect Solution Set your fax to the setting that matches your telephone line Cause The other party is not using a G3 machine Solution Contact the other party and have them send or receive the document using a G3 machine Cause The other party s fax is not working Solution Contact the other party and have them chec...

Страница 68: ...inter cover and remove foreign body Cause Loose carriage belt Countermeasure Replace carriage belt Cause Guide frame home position detection tabs is damaged or bent parts Countermeasure Replace the damaged or bent parts Cause Carriage motor does not work Countermeasure 1 Switch power OFF ON 2 Replace carriage motor Cause Carriage position cannot be detected Home position sensor breakdown or BJ con...

Страница 69: ...6 and 348 Cause The printer s internal unit has malfunctioned Solution 1 Remove the jammed paper Check the paper end sensor is OFF 2 Press Resume button 3 Reinstall the Cartridge 4 Turn the power off and on 5 Set the service data 1 SSSW SW01 bit 0 to 1 and check the service code Refer to the countermeasures for that error code CLEAR PAPER JAM 009 Cause Paper jam Solution Clear the paper jam and pr...

Страница 70: ...isabled the PHOTO INK PRINT setting and tried to print a received color fax with the installed Photo BJ cartridge Solution Remove the Photo BJ cartridge and install the Color BJ cartridge Alternatively enable the PHOTO INK PRINT setting Cause You tried to make a color copy in PLAIN PAPER or COLOR DRAFT mode with the installed Black BJ cartridge Solution Remove the Black BJ cartridge and install th...

Страница 71: ...ask them to put paper in their machine or to clear their fax machine s memory NO TEL 022 Cause The button you pressed has no number registered for One Touch Speed Dialing Coded Speed Dialing or Group Dialing Solution Print a list of registered numbers and make any corrections needed then try again NOT AVAILABLE Cause One touch or coded speed dial already registered Solution Check the contents of t...

Страница 72: ...support color faxing Solution 1 Try sending again in black white 2 Check the received fax machine s setting for color faxing is available WAIT COOLING Cause The BJ cartridge is hot Solution Wait until the message disappears Y INK EMPTY Cause The Yellow BJ tank in the Color or Photo BJ cartridge is empty Solution Replace the Yellow BJ tank ...

Страница 73: ...countermeasures that are specified in the G3 Facsimile Error Code List Rev 1 are included here as specific countermeasures for your reference Increase the transmission level Set service data 2 MENU Parameter No 07 to 0 dBm Decrease the transmission level Set service data 2 MENU Parameter No 07 to 15 dBm Echo measures Change the following bit switches of service data 1 SSSW SW03 Bit 4 1 Ignore the ...

Страница 74: ...e TCF judgment standard Not available for this fax Loosen the RTN transmission conditions Change service data 3 NUMERIC Param Parameter No 02 to 04 No 02 Percentage of errors in all lines Set close to 99 No 03 Number of lines of burst condition Set close to 99 lines No 04 Lines below the burst condition Set close to 99 times Increase the no sound time after CFR reception Change service data 1 SSSW...

Страница 75: ...ring Tx 103 RX Fail to detect EOL for 5 seconds 15 seconds for CBT during Rx 104 TX RTN or PIN received during Tx 106 RX Fail to receive protocol for 6 seconds when waiting for protocol during Rx 107 RX Fall back failure on Tx side during Rx 109 TX Receive Signals other than DIS DTC FTT CFR or CRP after DCS Tx and exceed the number of protocol re transmissions during Tx 111 TX RX Memory error 114 ...

Страница 76: ...ure error 337 RX BJ head temperature sensor error 342 TX RX Cleaning absorption waste ink capacity full 345 TX RX BJ cartridge head cleaning error 346 TX RX Inside temperature error 348 TX RX Ink detection sensor error V 8 V 34 protocol error codes No Tx or Rx Definition 670 TX At V 8 late start the called party declares the V 8 protocol in DIS signal and this unit transmits a CI signal but the pr...

Страница 77: ... TX Exceed Retransmit Protocol after PPS EOP Transmission during ECM Tx 765 TX Exceed protocol retransmission limit due to failure to receive significant signals after PPS EOP transmission during ECM Tx 767 TX Receive DCN after PPS EOP transmission during ECM Tx 768 TX Exceed protocol retransmission limit or T5 time 60 seconds after PPS EOP transmission during ECM Tx 769 TX Exceed retransmit proto...

Страница 78: ...transmission during ECM Tx 788 TX Exceed protocol retransmission limit or T5 time 60 seconds after EOR EOP transmission during ECM Tx 789 TX Receive ERR after EOR EOP transmission during ECM Tx 790 RX Transmit ERR after EOR Q reception during ECM Rx 791 TX RX Receive non significant signals during ECM mode procedures 792 RX Fail to detect PPS NULL between partial pages during ECM Rx 793 RX Time ov...

Страница 79: ... DIS from the called party was not able to be detected Solution Increase 2 MENU No 07 transmission level within a range of 8 15 dBm or set 1 SSSW SW 28 bit 0 to 1 to inhibit the V 8 V 34 protocol on calling 671 RX At V 8 termination the protocol did not advance to phase 2 and a T1 time out occurs after the caller CM signal was detected Cause The caller disconnected the line or the signal from the ...

Страница 80: ...No 07 transmission level within a range of 8 15 dBm or set 1 SSSW SW 28 bit 0 to 1 to inhibit the V 8 V 34 protocol on calling 675 RX The protocol did not move from phase 3 to phase 4 and a T1 time out occurred during V 34 reception Cause The transmitter disconnected the line during phase 3 or the signal from the transmitter was not able to be detected Solution Increase 2 MENU No 07 transmission l...

Страница 81: ...nd SCNT board JPANEL1 2 Replace the Operation panel unit 3 Replace the SCNT board Part of the LCD panel does not display anything 1 Check the connection between the Operation panel unit and SCNT board JPANEL1 2 Replace the Operation panel unit 3 Replace the SCNT board The buttons do not work 1 If the test mode can be used check for faulty buttons 2 Check the connection between the Operation panel ...

Страница 82: ...at the ASF gear is attached correctly 3 Replace pickup roller ass y 4 Replace PCNT board Faulty PRS or PES The printing operation is abnormal Nothing is printed 1 Remove the BJ cartridge and re install it 2 Execute cleaning five times and try printing again 3 Replace the BJ cartridge The carriage motor does not run 1 Check the connection from the carriage motor to the PCNT board J203 2 Check the c...

Страница 83: ...ll the BJ cartridge 4 Replace the appropriate ink tank 5 Replace the BJ cartridge 6 Replace the purge unit Blotches appear Blank ink appear 1 Carry out nozzle cleaning on the BJ cartridge five times with the cleaning operation than visually cheek the test print for non discharge of ink from nozzle Fig 3 12 2 Remove and reinstall the BJ cartridge 3 Replace the appropriate ink tank 4 Replace the BJ ...

Страница 84: ...y Stretched copy image 1 See page 3 4 and clean the document reading section 2 Replace the reading section s rollers The document does not separate Evaluation criteria Check it visually 1 Check whether the reading motor is driving all the rollers Check for any damaged gears or foreign matter stuck inside 2 See page 3 4 and clean the separation roller and separation guide 3 Replace the separation r...

Страница 85: ...ripes 1 Clean the contact sensor s reading glass 2 Clean the white sheet 3 Make sure the document is not slanted 4 Check the connection between the contact sensor and SCNT board JCS1 5 Replace the contact sensor assembly The halftone image contains black dots 1 Clean the contact sensor s reading glass 2 Clean the white sheet 3 Check the connection between the contact sensor and SCNT board JCS1 4 A...

Страница 86: ...f Trouble FAX FAX Your customer s machine Communication companion machine Communication trouble To process communication problems first of all it is necessary to narrow down the cause of the problem Thus the procedures appearing below must be checked accordingly Start Is copying being done Communication problems exist Carry out the procedures on the next page NG Do copying Is copy picture OK NG NO...

Страница 87: ...When visiting a user with a trouble report a can be known by outputting the error protocol data or error dump and g can be known by outputting the total transaction report or the system error data list 2 Test communication according to flowchart procedures appearing on the next page Carry out the tests with the actual lines on each item several times verify the symptoms and record it In the case o...

Страница 88: ...re Figure 3 15 Flowchart for Processing Communication Troubles with Canon Facsimile OK OK OK OK NG NG NG NG Reception FAX A Trouble FAX B FAX C Start Transmission or reception Check A B C A C C B Check B Check B Check the line C A Check A Transmission A Your customer s facsimile B Facsimile of other communication party C Facsimile for check in the same region C should be the same model of facsimil...

Страница 89: ...imiles FAX A Trouble FAX B FAX C FAX D Start Is the group the same G1 G2 G3 Unable to receive Is there the similar trouble case Process according to the case Transmitter or receiver C A A C Check A Check A B C C B Check B D C C D D B D A B D Check B Call the service station Check B Call the service station Yes Yes No No NG OK OK NG OK NG OK NG NG NG OK NG OK NG OK NG OK OK Transmitter receiver A Y...

Страница 90: ...eudo Ring time DEFAULT ACTION RECEIVE User data RECEIVE Operation after FAX TEL switching DISCONNECT Pseudo RBT frequency 400 Hz None None fixed Pseudo RBT transmission from CML 4 sec Service data 3 16 0 to 9 sec on time until start CNG detection time Pseudo RBT pattern on time 1000 ms Service data 3 17 0 to 9990 ms Pseudo RBT pattern off time short 0 ms Service data 3 18 0 to 9990 ms Pseudo RBT p...

Страница 91: ... 2 2 Parameters Default Setting Selection Item Setting Switch Range CNG Signal detection time 60 sec Service data 3 25 0 to 999 sec 5 3 Manual Auto Reception Switching Determines if the fax switches to document receive mode after the fax rings for a specified time when the fax is in the manual receive mode 5 3 1 Settings 1 Set the MAN AUTO SWITCH in the user data RX SETTINGS to ON 2 Set the number...

Страница 92: ...er data types of installed cartridges etc Determine whether or not this machine can receive in color as a transmitting machine A necessary condition is that COLOR RX be set to ON Condition 1 With COLOR RX ON and MEMORY RX OFF Receives in color when printing can be done with a BC 33 cartridge installed Color reception cannot be done if a cartridge other than a BC 33 is installed or if a no color in...

Страница 93: ...g to the image but transmission in STANDARD takes approximately half the time compared to FINE mode When COLOR DIRECT TX is set to on direct transmission will be done However memory transmission will be done when multiple addressees are indicated Reception Specifications In the TX REPORT settings even when PRINT WITH IMAGE is set to ON the color transmission image is not attached Instead a The col...

Страница 94: ...measures 2 MENU MENU switch settings These setting items are for functions required during installation such as NL equalizer and transmission levels 3 NUMERIC Param NUMERIC parameter settings These setting items are for inputting numeric parameters such as the various conditions for the FAX TEL switching function 4 NCU NCU settings These setting items are for telephone network control functions su...

Страница 95: ...re 3 17 Service Data Setting Method DATA REGISTRATION Standby date and Receive mode display 07 17 Fax Only 1 SSSW 3 NUMERIC Param Press the Set button 01 0 Press the STOP button to return to standby Input the data and press the Set button 4 Data registration Press the button 2 Service data mode selection 1 User data mode selection Press the Function button and then Data Registration button 3 Menu ...

Страница 96: ...ult display function settings Not used Not used Page timer settings Not used Not used Not used Not used Not used Not used Not used Not used Not used Not used Not used Not used Report display function settings Transmission function settings Not used V 8 V 34 protocol settings Not used Not used Service soft switch setting 7 6 5 4 3 2 1 0 SW01 SW02 SW03 SW04 SW05 SW06 SW07 SW08 SW09 SW10 SW11 SW12 SW...

Страница 97: ...etting Line monitor setting Transmission level setting V 34 Baud rate Frequency of pseudo ring signal Not used Menu switch settings Figures in boldface indicate the default setting 3429 baud 3200 3000 2800 2743 2400 Items 11 to 20 33 6 Kbps 2 4 x n 1 n 14 V 34 Transmission speed 50 25 Hz 17 No 01 to 04 11 to 20 are not used Do not change their settings Figure 3 19 Service Data page 2 ...

Страница 98: ...inst TSI signal to be matched for restricted receiving function Line connection detection time T0 timer T1 Timer Rx Not used Maximum time to receive oneline of image data Not used Hooking detection time Pseudo RBT transmission from CML on time until start Pseudo RBT signal pattern On time Pseudo RBT signal pattern Off time short Pseudo RBT signal pattern Off time long Pseudo ring pattern On time s...

Страница 99: ... The relationship between the settings and the detection levels is as follows Parameter 24 0 Not used 1 Not used 2 Not used 3 Not used 4 Not used 5 8 dBm 6 9 dBm 7 10 dBm 8 11 dBm 9 12 dBm 10 13 dBm 11 14 dBm 12 15 dBm 13 16 dBm 14 17 dBm 15 18 dBm 16 19 dBm 17 20 dBm 18 21 dBm 19 22 dBm 20 23 dBm ...

Страница 100: ...A 5 TYPE Type setting 6 GENESIS UHQ Genesis function settings Bit SW SLICE GAMMA Figure 3 21 Service Data page 4 4 NCU NCU settings The values of these items are all set to match a specific nation s communications standards by the 5 TYPE setting Do not change these setting 6 GENESIS UHQ function settings Tampering with this setting may cause the scanned image quality to deteriorate Do not change t...

Страница 101: ... edge margin Black printing Trailing edge margin Color printing Not used SUCTION Waste ink capacity check entry See page 3 56 01 18 mm 02 0 03 0 04 0 05 7 mm 13 26 mm Item 06 11 13 30 30 0 1 0 0 0 0 0 Not used Not used 7 6 5 4 3 2 1 0 Bit Not used Not used Not used Not used Reduction cassette selection settings Reduction settings Copy printing setting Report frame setting 2 NUMERIC Param 5 INK ABS...

Страница 102: ... SERVICE SW NCU SERVICE DATA REPORT COUNTER ALL USA 03 01 000612 6131 FFFF Dialling data initialization User data and service data 1 to 3 initialization User data and service data 1 to 3 and 6 to 7 initialization 4 NCU setting data initialization Data on system dump list initialization Data on activity report initialization Total number of pages printed scanned All user data service data activity ...

Страница 103: ...the new switches added to this model See the G3 Facsimile Service Data Handbook supplied separately for details of the switches Below are examples showing how to read bit switch tables SW01 0 0 0 0 0 0 0 0 B i t 7 B i t 6 B i t 5 B i t 4 B i t 3 B i t 2 B i t 1 B i t 0 Service error code Error dump list Not used Copy function 300 series service error code Not used Not used User setting restriction...

Страница 104: ...ice soft switch 28 V 8 V 34 protocol settings Bit Function 1 0 0 New Caller V 8 protocol NO YES 1 New Called party V 8 protocol NO YES 2 New Caller V 8 protocol late start NO YES 3 New Called party V 8 protocol late start NO YES 4 New V 34 reception fallback Prohibited Not prohibited 5 Not used 6 Not used 7 Not used Bit 0 Select whether to use the V 8 protocol when calling If NO is selected the V ...

Страница 105: ... OFF is selected the receiver does not fall back 2 MENU No Function Selection range Default setting 08 V 34 max baud rate 2400 3429 3429 3429 baud 09 V 34 max transmission speed 2400 33600 33600 33600 bps No 08 Select the maximum baud rate for V 34 transmission 3429 3200 3000 2800 2743 and 2400 This model cannot use 2743 baud due to its modem specificarion If it is set to 2743 baud the maximum bau...

Страница 106: ...d is fixed at 35 seconds Parameter 11 Set the T1 timer for the receiver wait time after DIS transmission starts until a significant signal is received If frequent errors occur during reception 2 instances because of line connection conditions raise the value of this parameter Parameter 13 Set the maximum time to receive one line of image data when image data is received If the other party is a com...

Страница 107: ... recording paper passes through the pinch roller when the margins have been narrowed there are cases where a small amount of color shift occurs at the bottom edge of the image 5 INK ABS CAPA This switch allows the waste ink capacity stored in the PCNT board to be checked or entered SUCTION This allows the waste ink capacity for the ink absorbed during cleaning to be checked or entered When enterin...

Страница 108: ...e etc If the printing does not improve even after the cartridge is cleaned five times replace the BJ cartridge or the ink cartridge Press the Function button then press the Cleaning button and select NOZZLE CHECK by the Set button Figure 3 26 Nozzle Check Pattern Print Printed with the first nozzle Printed with the 48th nozzle 180 dpi bi directional 360 dpi bi directional Small drop Large drop Yel...

Страница 109: ... following the menu items from the display a DRAM tests Writes data to DRAM image storage areas and reads that data to check operations b CS test CS test is used to enter the contact sensor s shading data c Print test Prints nine different patterns within the print area d Modem NCU tests The frequency test and the G3 signal transmission and CNG signal and DTMF signals reception tests e Faculty tes...

Страница 110: ...Q 1 7 3 Not used 4 G3 Tx 0 8 5 DTMF Tx 0 9 6 TONE Rx 7 Not used 8 V34 G3 Tx 1 MONO PTN 2 CLR PTN1 3 CLR PTN2 4 COMET 5 GEAR 6 ENDURANCE 7 CHECKERS 8 Not used 9 BLACK See Page 3 61 See Page 3 64 See Page 3 65 See Page 3 66 1 ADJ LED TIME 2 CS READ 3 DISP LED TIME 4 REG LED TIME 5 SHADING TEST See Page 3 61 indicates that these items are not used in the field See Page 3 62 ...

Страница 111: ...1 G3 4800bps Tx 2 REGISTRATION 3 SENSOR 4 ADF 5 Not used 6 SPEAKER 7 PANEL 8 Not used 9 LINE DETECT 1 4 See Page 3 67 See Page 3 69 See Page 3 71 8 PRINTER TEST 1 INK DETECT 2 CLEANING 3 EEPROM CLEAR 4 HEAR RUN 5 Not used 6 CAP WIPE 7 EEPROM See Page 3 72 Figure 3 28 Test Mode ...

Страница 112: ... the 2 button from the test mode menu selects the CS tests ADJ LED TIME is used to adjust the CS LED lights on duration and enter the contact sensor s shading data pre scan operation Details on CS LED lights on duration adjustment see 3 1 CS LED Lights on Duration Adjustment on page 3 6 Tests 2 3 4 and Tests 5 are not used in the field Figure 3 29 D RAM Test 7 2 3 D RAM tests Pressing the 1 button...

Страница 113: ...al make a copy of a document If the copy is faulty the reading section is faulty Please do not select the following menus 3 1 MONO PTN 3 2 CLR PTN 3 3 CLR PTN2 If a mistake is made and these menus are selected the value of 7 PRINTER 5 INK ABS CAPA will be reset to 0 so it will be necessary to re register Check the value of LostInkCount printed on the top of each test pattern and register this valu...

Страница 114: ...3 63 MultiPASS C755 Chapter 3 Maintenance Service Figure 3 31 Print Pattern Sample ...

Страница 115: ...m sends tone signals from the modular jack and the speaker G3 signal transmission test The modem sends G3 signals from the modular jack and the speaker V34 signal transmission test The V 34 modem sends G3 signals from the modular jack and the speaker a Frequency test The frequency test menu is selected by pressing the 2 button from the MODEM NCU test menu Signals of the frequencies below are sent ...

Страница 116: ...he MODEM NCU test menu The G3 signals below are sent from the modem using the modular jack and the speaker The frequency can be changed with the numeric buttons Numeric button Frequency 0 300 bps 1 2400 bps 2 4800 bps 3 7200 bps 4 9600 bps 5 TC7200 bps 6 TC9600 bps 7 12000 bps 8 14400 bps The transmission level for each frequency follows the service data NOTE ...

Страница 117: ...with the numeric keys and the Speed can be changed with the search keys Numeric key Baud rate 0 3429 baud 1 3200 baud 2 3000 baud 3 2800 baud 4 2743 baud Not used 5 2400 baud Search key Speed 2400 bps 2 4 kbps 4800 bps 4 8 kbps 7200 bps 7 2 kbps 9600 bps 9 6 kbps 12000 bps 12 0 kbps 14400 bps 14 4 kbps 16800 bps 16 8 kbps 19200 bps 19 2 kbps 21600 bps 21 6 kbps 24000 bps 24 0 kbps 26400 bps 26 4 k...

Страница 118: ...g correctly a Sensor tests The sensor test is selected by pressing the 3 button from the faculty test menu In this test you can check the status of each sensor of this fax in item 1 on the display You can also check if sensors that use actuators and microswitches are operating correctly by moving the actuator or microswitch See page 3 33 Faulty scanner unit s sensors The sensor tests cannot be use...

Страница 119: ...ultiPASS C755 Chapter 3 Maintenance Service Figure 3 32 Sensor Tests 6 3 SENSOR Pressing the 1 key Alternately displayed D E S of D S of DS Document sensor DES Document edge sensor on off decument no document ...

Страница 120: ...on button test The Operation button test is selected by pressing the Start button after the LED lamp test In this test you press the button corresponding to the displayed character to put it out The table giving the correspondence between the characters and the buttons is below Character Operation button 1 Numeric buttons R Redial Pause button D Coded dial button L Color B W button Resolution butt...

Страница 121: ...tton Press Start button Press Start button Press Start button H pattern displayed All LCD dots displayed All LED lamps light up When a button is pressed the corresponding character goes out When the entire display has gone out When a one touch speed dialing key is pressed the corresponding letter goes out a b c d e f g h i j k l Press the STOP button to end the test O K ...

Страница 122: ...u When CI and CNG are detected from the modular jack the display changes from OFF to ON and the received frequency is displayed c 2 Test Menu 2 Test Menu 2 is selected by pressing the 2 button from the Line Detect menu When a tonal frequency is detected from the modular jack the display changes from OFF to ON and the received frequency is displayed The frequency detection level can be set with the...

Страница 123: ...e 2 Print out using this function 3 Check that the value for ExisInk is 0 the proper value for empty ink If the value displayed for the empty ink under ExisInk is 1 perform the following troubleshooting procedures 1 Check the connection between the ink sensor and the PCNT board 2 Replace the ink sensor 3 Replace the PCNT board ExistInkY 1 EsistInkM 1 ExistInkc 1 ExistInkm 1 ExistInkc 1 ExistInkK 1...

Страница 124: ...lect the report type and press Set button Document memory list Activity Report b Reports output automatically by user data settings Each report written below can be automatically output by specifying REPORT SETTINGS in user data Transmission TX reports Error TX report TX report TX report with first page Reception RX reports Error RX report RX report Multi Transaction TX RX report Activity report R...

Страница 125: ...when the power is turned on after a power cut TX RX NO Indicates four digits of the transaction number MODE Indicates TRANSMIT or AUTO RX or B CAST Broadcast and COL Color CONNECTION TEL Number sent from the other party or number dialled PAGES Number of pages are stored in memory SET TIME Time when data is stored in memory Figure 3 35 Memory Clear List ...

Страница 126: ...eports shown below Report type Operations 1 System data list In the service mode press the Report button then select the report 2 System dump list type and press the Set button 3 System data list System dump list Service activity report If you set bits 0 and 1 of 1 SSSW SW01 in the service with service error code mode the service error code and dump list are indicated and dump list on the activity...

Страница 127: ...3 76 MultiPASS C755 Chapter 3 Maintenance Service a 1 System data list This list shows service data 1 5 7 9 setting statuses The following is a sumple list Figure 3 36 System Data List page 1 page 4 ...

Страница 128: ...3 77 MultiPASS C755 Chapter 3 Maintenance Service Figure 3 37 System Data List page 5 page 6 START DATE records the date when the fax performs its first transmission after shipment from the factory NOTE ...

Страница 129: ...ltiPASS C755 Chapter 3 Maintenance Service a 2 System dump list This list shows the past communications statuses and error communications history The following is a sample list Figure 3 38 System Dump List 1 2 ...

Страница 130: ...G Total number of pages transmitted and received for each coding method G3 ECM Total number of pages transmitted and received in each mode PRINT READ Total number of pages printed scanned Display example PRINT 30 100 READ 30 100 Indicates the value input with Service Data 8 CLEAR COUNTER Indicates the value counted since shipment from the factory INK ABSORBER CAPACITY Waste ink absorber s ink abso...

Страница 131: ... rate used for the primary channel TX LVL REDUCTION 0 Fixed ERR ABCODE Code output by the modem when an error occurred Not used in the field ERR SECTXB Transmit status of the modem when an error occurred Not used in the field ERR SECRXB Received status of the modem when an error occurred Not used in the field RX TX Received transmitted protocol signal bit 1 to bit 96 of received transmitted DIS DC...

Страница 132: ...on was complete For details see User s manual RESULT NG display with number of pages for which transmission was fault and service error code MAKER CODE Maker code 1000 1000 Indicates a Canon fax lower nibble upper nibble RCV V 8 FRAME Received V 8 protocol signal SYMBOL RATE Symbol rate used for the primary channel TX LVL REDUCTION 0 Fixed ERR ABCODE Code output by the modem when an error occurred...

Страница 133: ...ssion was fault and service error code MAKER CODE Maker code 1000 1000 Indicates a Canon fax lower nibble upper nibble RCV V 8 FRAME Received V 8 protocol signal SYMBOL RATE Symbol rate used for the primary channel DATA RATE Transmission speed used for the primary channel TX LVL REDUCTION 0 Fixed ERR ABCODE Code output by the modem when an error occurred Not used in the field ERR SECTXB Transmit s...

Страница 134: ...or J301 J201 J202 PS303 PS302 PS301 J203 J204 Home position sensor SCNT board NCU Board J10 1 6 1 23 J2 J1 1 23 1 6 1 5 1 5 1 36 JCNTR1 HOST PC Centronics cable 1 4 JUSB1 JTEL1 JLINE1 USB cable Extension phone Telephone line 1 32 JPCNT1 Flat cable to PCNT board J201 1 13 1 12 1 4 JPANEL1 JCS1 JMOTOR1 Color Contact sensor Flat cable M Document feed motor Flat cable Operation panel Document edge sen...

Страница 135: ...02 Cartridge detection Bi Centronics interface Printer control section M M MPU Printer controler IC101 Power supply unit 12V 24V 5V AC120V Ink detect sensor EEP ROM IC301 Heater driver Heater driver Driver IC IC 501 Document feed motor M Regulator IC601 Pickup roller sensor Color Contact sensor Document scanning section System controller 3 3 IC301 Paper edge sensor NCU board Communication control ...

Страница 136: ...roller IC 301 The system controller is a gate array for controlling MPU peripheral devices This IC drive 5V and 3 3V voltage The main functions of the system controller are as follows Printer resolution conversion Ultra smoothing This IC converts facsimile data of horizontal resolution of 8 dots mm and vertical resolution of 3 85 or 7 7 lines mm to print data of 360 dpi and 360 dpi respectively BJ...

Страница 137: ...s out G3 modulation conforming to ITU T standards V 34 V 29 V 27ter V 21 V 17 and V 8 on transmitted data received from the MPU during transmission During reception the MODEM IC carries out G3 modulation on received signals from the telephone line according to the same standards c Document scanning section c 1 System controller IC IC 301 The system controller IC include image processing function U...

Страница 138: ... motor controller switches the carriage motor with the 5 step peak current value for optimum driving The stepping motor controller outputs the switching control signal to the carriage motor driver Detection of BJ head temperature Detection of printer s internal temperature Detection of Home position sensor Paper edge sensor and Pickup roller sensor Cartridge detection d 2 ROM IC 202 The 8 Mbit con...

Страница 139: ...3 88 MultiPASS C755 Chapter 3 Maintenance Service This page intentionally left blank ...

Страница 140: ...ME CONTROL RX CALL LEVEL TEL LINE TYPE Function button Data Registration button TTI POSTION FAX TEL STANDARD DARKER LIGHTER ON OFF CALLING VOLUME KEYPAD VOLUME ALARM VOLUME LINE MONITOR VOL HIGH STANDARD TOUCH TONE ROTARY PULSE OUTSIDE IMAGE INSIDE IMAGE 1 2 3 0 1 2 3 0 1 2 3 0 1 2 3 1 USER DATA FLOW 1 1 User Data Flow by Operation Panel Press the Function button then press the Data Registration b...

Страница 141: ...IRECTTX ON OFF ON OFF ON OFF 02 SEC 01 15 SEC REDIAL TIMES REDIAL INTERVAL 02 TIMES 01 10 TIMES 02 MIN 02 99 MIN 4 RX SETTINGS ECM RX RX MODE ON OFF NORMAL RING FAX ONLY MODE DRPD UNIT TELEPHONE UNIT NAME RX MODE TEL FAX FAX TEL AUTO SW DOUBLE RING UNIT TELEPHONE UNIT NAME RX MODE TEL FAX FAX TEL AUTO SW SHORT SHORT LONG UNIT TELEPHONE UNIT NAME RX MODE TEL FAX FAX TEL AUTO SW SHORT LONG SHORT UNI...

Страница 142: ...O SW 08 SEC 00 30 SEC 15 SEC 10 45 SEC RECEIVE DISCONNECT OFF ON 02 TIMES 01 99 TIMES MAN AUTO SWITCH OFF ON 15 SEC 01 99 SEC REMOTE RX ON OFF 25 00 99 MEMORY RX ON OFF COLOR RX ON OFF 5 PRINTER SETTINGS RX REDUCTION PAPER SIZE BOTTOM MARGIN PHOTO INK PRINT ON OFF REDUCE DIMENSION VERTICAL ONLY HORIZ VERTICAL LTR LGL A4 NORMAL SMALLER ON OFF ...

Страница 143: ... YYYY YYYY MM DD ENGLISH FRENCH SPANISH 33600 bps 14400 bps 9600 bps 7200 bps 4800 bps 2400 bps 33600 bps 14400 bps 9600 bps 7200 bps 4800 bps 2400 bps TEL REGISTRATION 1 TOUCH SPD DIAL CODED SPEED DIAL GROUP DIAL 01 12 00 99 01 12 or 00 99 TELEPONE NUMBER NAME TELEPHONE NUMBER NAME 1 2 User Data Flow by MultiPASS Suite Please see the MultiPASS Suite User s Guide ...

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