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Ricoh MV310, Service Manual

The Ricoh MV310 brings efficiency and reliability to your printing needs. With our user-friendly Service Manual, you can easily troubleshoot and maintain this exceptional device. Download the comprehensive manual for free from manualshive.com and maximize the performance of your Ricoh MV310.

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SERVICE TABLES AND PROCEDURES

May 22nd, 1995

NCU PARAMETERS

4-68

Summary of Contents for MV310

Page 1: ...LSO RICOH MV310 SERVICE MANUAL May 22nd 1995 Subject to change ...

Page 2: ...K ALONG THE LASER BEAM PATH WHILE THE MAIN POWER IS ON Lithium Batteries Memory Back up ICAUTION The danger of explosion exists if a battery of this type is incorrectly replaced Replace only with the same or an equivalent type recommended by the manufacturer Discard used batteries in accordance with the manufacturer s instructions ...

Page 3: ...ing using the Optional Printer Interface 1 18 1 6 POWER DISTRIBUTION 1 19 1 6 1 Distribution Diagram 1 19 1 6 2 Memory Back up Circuit 1 20 2 DETAILED SECTION DESCRIPTIONS 2 1 SCANNER 2 1 2 1 1 Overview 2 1 1 Book Scanner 2 1 2 ADF 2 2 2 1 2 Original Detection 2 3 1 Book Scanner 2 3 2 ADF 2 5 2 1 3 Scanning 2 6 1 Contact Image Sensor 2 6 2 Main Scan Resolution and Width Book Scanner 2 7 3 Main Sca...

Page 4: ... Mode 2 29 2 2 5 Toner Supply 2 30 2 2 6 Development 2 33 2 2 7 Paper Feed 2 38 1 Overview 2 38 2 Paper Lift Mechanism 2 39 3 Paper Size and Paper End Detection 2 40 4 Pick up and Separation 2 42 5 Drive Mechanism 2 42 2 2 8 Registration 2 45 2 2 9 Transfer and Separation 2 47 2 2 10 Cleaning 2 50 2 2 11 Fusing 2 51 2 2 12 Page Separation and Data Reduction 2 55 2 2 13 Paper Size Selection 2 57 2 ...

Page 5: ...1 5 Protocol Dump Function 05 4 3 4 1 6 RAM Display Rewrite Function 06 4 3 4 1 7 RAM Dump Function 06 4 4 4 1 8 Counter Display Rewrite Function 07 4 4 4 1 9 NCU Parameters Function 08 4 5 4 1 10 Modem Test Function 08 4 6 4 1 11 DTMF Tone Test Function 08 4 6 4 1 12 Modem Detection Test Function 08 4 7 4 1 13 Ringer Test Function 08 4 7 4 1 14 Operation Panel Test Function 09 4 8 4 1 15 LED Arra...

Page 6: ... 5 1 EXTERIOR 5 1 5 1 1 ADF 5 1 5 1 2 Operation Panel and Copy Tray 5 3 5 1 3 Platen Cover and Original Scales 5 3 5 1 4 Top Cover and Exposure Glass 5 4 5 1 5 Left Front and Rear Cover 5 4 5 2 SCANNER 5 5 5 2 1 Contact Image Sensor 5 5 5 2 2 Fluorescent Lamp Stabilizer 5 6 5 2 3 Original Size Platen Cover and Scanner H P Sensors 5 6 5 2 4 Scanner Motor 5 7 5 3 LASER PRINTING COMPONENTS 5 7 5 3 1 ...

Page 7: ...nd Covers 5 27 5 9 2 Pick up Roller 5 28 5 9 3 Feed Roller 5 28 5 9 4 Separation Roller 5 29 5 9 5 ADF Motor and Covers 5 29 5 9 6 R0 and R1 Rollers 5 30 5 9 7 R2 Roller 5 30 5 9 8 Document Sensor and Width Sensor 5 31 5 9 9 Scan Line Sensor 5 32 5 9 10 Cover Sensors 5 32 5 10 100 SHEET PAPER CASSETTE OPTIONAL 5 34 5 10 1 Relay Connector and Gear Cover 5 34 5 10 2 Paper End Sensor and Drive Compon...

Page 8: ...Paper 6 17 6 1 16 Misaligned Output Data shifted to the right or left 6 18 6 1 17 Misaligned Output Image shifted vertically Reduced Image 6 18 6 2 MECHANICAL PROBLEMS 6 19 6 2 1 ADF 6 19 1 Non Feed 6 19 2 Jam 6 20 3 Skew 6 21 4 Multi feed 6 21 6 2 2 Book Scanner 6 22 1 Abnormal Noise 6 22 2 Scanner Home Position Error Error Code 9 11 6 22 3 Automatic Paper Selection Error 6 23 4 Scanning Start Po...

Page 9: ...uble buffer SAF 576 kB 45 pages A4 Protocol Group 3 with ECM Compression MH MR EFC MMR SSC MMR only with ECM Storage to SAF memory for tx MMR and or raw data Modulation V 29 QAM V 27ter PHM V 21 FM Data Rate bps 9600 7200 4800 2400 Automatic fallback I O Rate With ECM 0 ms line Without ECM 2 5 5 10 20 or 40 ms line Transmission Time 9 s at 9600 bps Measured with G3 ECM us ing memory for a CCITT 1 ...

Page 10: ...ximum 800 W Operating Environment Temperature 17 28 C 63 82 F Humidity 40 70 Rh Dimensions W x D x H 555 x 555 x 342 mm 21 9 x 21 9 x 13 5 ins Excluding handset trays and optional units Weight 30 kg 66 lbs Excluding handset trays and optional units OVERALL MACHINE INFORMATION May 22nd 1995 SPECIFICATIONS 1 2 ...

Page 11: ... answer delay time X Communication Features User Selectable Auto dialing pulse or DTMF O Auto Document X Auto image density selection O Automatic Voice Message X Batch Transmission X Broadcasting O Chain Dialing X Communication Result Display X Confidential ID Override X Confidential Transmission X Direct Fax Number Entry O Economy Transmission X Fax on demand X Forwarding X Free Polling X Groups ...

Page 12: ...Code Prefix X Auto Service Call O Center mark O Checkered mark X Other User Features Clearing a memory file O Clearing a polling file O Clock O Confidential ID X Copy mode O Copy Mode Restriction X Counters O Daylight Saving Time USA only O Destination Check X Direct entry of names O File Retention Time X File Retransmission O Function Programs X ID Code X Label Insertion From xxx X Language Selec...

Page 13: ... O Country code O DTMF tone test O Echo countermeasure O Effective term of service calls O Error code display O Excessive jam alarm O Service Mode Features File Transfer O Hex Dump List E LCD contrast adjustment O Line error mark O Memory file printout all files O Modem test O NCU parameters O Operation panel test O Periodic service call O PM Call O Printer mechanism test X Printer test patterns O...

Page 14: ...ng into the scanner 5 Document Feed Roller Feeds the document into the scanner 6 Pick up Roller Picks up pages of the document from the document table one at a time 7 R2 Roller Feeds the document through the scanner 8 Laser Unit This consists of the LDDR Laser Diode Driver Focusing lens Fθ Lenses Hexagonal mirror motor and other laser optic components 1 2 3 5 7 6 4 8 9 10 11 12 13 14 15 16 17 18 1...

Page 15: ...is cleans up and spreads silicone oil on the surface of the hot roller 18 Hot Roller Strippers These take the paper off the hot roller after fusing 19 Paper Feed out Rollers These feed the paper out of the printer 20 Fusing Pressure Roller This applies pressure to the paper during fusing 21 Transfer Roller This applies a charge to the paper to pull the toner off the drum and onto the copy paper 22...

Page 16: ... Components 3 4 1 5 16 15 6 7 8 14 9 10 11 12 13 2 H521V503 wmf 17 24 20 21 23 19 22 25 26 27 28 29 18 30 31 32 33 34 35 36 37 38 39 40 41 42 H521V504 WMF OVERALL MACHINE INFORMATION May 22nd 1995 COMPONENT LAYOUT 1 8 ...

Page 17: ...t into an analog video signal It uses an RMLA Roof Mirror Lens Array sensor unit The xenon lamp which illuminates the document is contained in this unit 16 IC Card This contains a DRAM which is used as page memory for 400 x 400 dpi printing of incoming B4 faxes 2 Motors and Clutches No Name Description 6 ADF Motor This stepper motor drives the scanner 10 Main Motor This brushless dc motor drives t...

Page 18: ... is open or closed 36 Bypass Feed Sensor This detects when a sheet of paper has been inserted into the bypass feed slot Then the registration roller feeds the paper a short distance into the machine to prepare for printing and stops 21 ADF Cover Switch This detects whether the ADF cover is open or closed 28 Scanner Home Position Sensor This detects when the image sensor is at home position 23 24 P...

Page 19: ...eds 400 C 35 Thermistor This monitors the temperature inside the fusing unit 34 Fusing Lamp This fuses the toner to the paper 42 Monitor Speaker This allows the user to listen to the condition of the telephone line 26 Zener Diode This ensures that the charge given to the drum by the charge corona wire does not exceed 750 volts 13 Lamp Stabilizer This supplies power to the xenon lamp May 22nd 1995 ...

Page 20: ...he paper in the optional 100 sheet cassette has run out 5 Paper Size Detector 100 Sheet Cassette This detects the paper size installed in the optional 100 sheet cassette 6 Paper Feed Roller 100 Sheet Cassette This feeds paper from the 100 sheet cassette into the machine 7 Counter This counts the number of prints 8 100 Sheet Cassette This increases the paper capacity of the machine and allows the m...

Page 21: ...r B4 size copies at 16 x 15 4 dot mm resolution a page memory IC card is installed A rechargeable battery backs up the DRAM for one hour The system ROM uses a 512 KB 4 Mbits flash ROM Software in this ROM can be rewritten from the IC card slot or by RDS FCE FCE Contact Image Sensor Amp Optional 100 Sheet Cassette Optional Printer I F Energy Saver CPU System ROM Flash System RAM SRAM DATA ADDRESS B...

Page 22: ...At the time for transmission the DCR block decompresses the data from the SAF memory then compresses it again after handshaking with the other ter minal is done The compressed data then passes either to the FIFO memory or to the ECM memory before it is sent to the telephone line through the mo dem FDU FCE DRAM Video Processing Memory Amplifier Attenuator Line Buffer FIFO Memory ECM SAF Memory NCU ...

Page 23: ...the same time the compressed data passes to the SAF memory as a backup in case of mechanical problems during print ing substitute reception The raster image data is then passed to the page memory for printing After a page of data has been stored in the page memory the data is sent to the LDDR through the LIF block MDM Modem DCR Data Compression and Reduction LIF Laser Interface H521V508 wmf May 22...

Page 24: ...nt Ratios The following reproduction ratios are available Reduction 50 65 71 74 77 82 87 93 US Yes Yes No Yes Yes No No Yes Europe Asia Yes No Yes No No Yes Yes Yes Enlargement 115 121 122 129 141 155 200 US No Yes No Yes No Yes Yes Europe Asia Yes No Yes No Yes No Yes DIP Digital Image Processor DCR Data Compression and Reduction LIF Laser Interface H521V509 wmf OVERALL MACHINE INFORMATION May 22...

Page 25: ...ction The scanned data is then stored in the page mem ory for printing At the printer the machine deletes certain specified bits from each line to reduce the printing image in the main scan direction For example every other bit is deleted to get a 50 reduced image Also the machine changes the laser pulse width for each pixel to enlarge the printing image in the main scan direction For example the ...

Page 26: ...e printer interface s page memory the data is sent directly to the LIF through the PRIF Printer Interface block FDU FCE LIF FCIP LDDR Copy Paper PRIF Optional Printer Interface PRIF Printer Interface LIF Laser Interface H521v512 wmf OVERALL MACHINE INFORMATION May 22nd 1995 VIDEO DATA PATH 1 18 ...

Page 27: ...the main switch is on 24VD This is interrupted if the fusing unit cover interlock switch opens 24VIN This supplies 24V to the fusing unit on off switching circuit It is interrupted if the fusing unit cover interlock switch opens 24VM This is interrupted if the machine enters energy saving mode 5V This is used for the image sensor 12VP This is used for the page memory card 24VM 5V 5VV 5V 24V 5VE 5V...

Page 28: ...s the battery The battery recharges in one or two days The battery B generates about 3 volts max 3 2 volts The dc dc converter IC12 lifts this voltage to 5 volts so it can be used as the 5VD supply for SAF backup The CPU monitors the voltage of the 5VD supply with the 1VDET signal When the battery has run down and the voltage is lower than 4 4 volts the CPU stops the dc dc converter by dropping 1S...

Page 29: ...or element and xenon lamp and a xenon lamp driver The scanner B consists of a contact image sensor and a xenon lamp driver The original width sensor F and length sensor G together detect the size of the original placed on the exposure glass The scanner home position sensor H allows the scanner return to the same position after scanning The platen cover switch I detects if the cover is opened or no...

Page 30: ... position under the exposure glass G The shad ing plate H pushes the document to the exposure glass at the scan line so that the document is within the image sensor s range of focus After scanning the ADF feeds out the document onto the platen cover and the scanner moves back to its home position at the right end of the scanner Unlike a copier s ADF this ADF does not have a document length sensor ...

Page 31: ...ts USA Europe and Asia Data Width in Fax Tx W1 W2 L1 L2 0 0 0 0 B4 Lengthwise B4 Lengthwise 256 mm 0 1 0 1 Letter Lengthwise Note 1 A4 Lengthwise Note 1 216 mm 1 1 0 1 B5 Lengthwise B5 Lengthwise 216 mm 0 0 1 1 B5 Sideways B5 Sideways 256 mm 0 1 1 1 Half Letter Sideways Note 1 A5 Sideways Note 1 216 mm 0 1 0 0 Legal Lengthwise Note 1 F F4 Lengthwise Note 1 216 mm 1 1 1 1 Size not detected Note 2 A...

Page 32: ...l 3 If bit 4 of System Switch 0D is 0 the machine uses A5 lengthwise for cop ier operations e g enlargement to A4 size using a fixed zoom rate But in Fax mode the machine will ask the user to choose a scanning area which is equivalent to an available original size If bit 4 of System Switch 0D is 1 the machine will ask the user to choose a scanning area which is equivalent to an available original ...

Page 33: ...tomatic paper selection Erase border center The document sensor A and B4 width sensor B detect the document width When the document sensor is activated but the B4 width sensor is not the machine treats the document width as either A4 210 mm or Let ter Legal 216 mm When both sensors are activated the machine treats the document width as B4 256 mm The setting of system switch 0C bit 3 determines whe...

Page 34: ...ment onto the image sensor Because of the short optical path inside the CIS the focal depth is much shorter than for a CCD type scanner Because of this two springs at each end of the CIS push it against the exposure glass F so that the distance from the original is kept the same all the time However in book scanning mode if the original is out of the CIS s focal range the scanned image may get dar...

Page 35: ...ing area and adds 3 mm of white data at the beginning of each line to get a 216 mm width of data for transmission Copy Mode The machine scans 256 mm B4 width at 16 dot mm resolution Then each scanned line is stored in the page memory for printing A4 210 mm width AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AA...

Page 36: ...e adjustable by RAM address Sub scan resolution depends on the selected reproduction ratio It is controlled by the motor speed and not by image processing At higher motor speeds more scan lines are omitted and the effect of this is a lower reproduction ratio There is a range of resolutions from 2 82 s per A4 page 3 85 lines mm for a 50 reproduction ratio up to 11 3 s per page 15 4 lines mm for 200...

Page 37: ...AA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA A A A A A A A A A Feed 1st Line 2nd Line 3rd Line 4th Line 15 4 l mm 15 4 l mm 15 4 l mm 15 4 l mm H521D513 wmf Transmit OR Processing Feed OR Processing 7 7 l mm 7 7 l mm 1st Line 2nd Line 3rd Line 4th Line AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA...

Page 38: ... on the selected resolution For reference the fol lowing table shows the speed for scanning an A4 size original Fax mode Standard 5 65 s Detail 5 65 s Fine 11 30 s Copy Mode Reduction Scan Speed A4 Full Size and Enlargement Scan speed A4 50 reduction 2 82 s Full size 5 65 s 65 reduction 3 67 s 115 6 50 s 71 reduction 4 01 s 121 6 84 s 74 reduction 4 18 s 122 6 89 s 77 reduction 4 35 s 141 7 97 s 8...

Page 39: ...D the R1 roller E and the R2 roller F The motor speed varies in the same way that the book scanner motor does see the previous page Cross reference Maximum document length Scanner Switch 00 bits 2 and 3 A B C D E F H521D005 wmf May 22nd 1995 DETAILED SECTION DESCRIPTIONS SCANNER 2 11 ...

Page 40: ...h is nearby Book Scanner When the machine detects the right edge of the black mark A it moves another 4 mm to the scan start position ADF When the machine detects the right edge of the black mark B it moves another 54 mm to the scan start position If the black mark cannot be found scanning continues but error code 1 09 is generated and stored in the error code memory area Cross reference Image Adj...

Page 41: ...ration roller B prevent more than one sheet of paper from feeding into the scanner at once When the feed roller feeds a sheet of paper both the feed and the separation rollers rotate in the feed in direction However if two or more sheets are be tween these rollers the separation roller rotates in the feed out direction to prevent the lower sheet from being fed into the scanner Cross reference Sepa...

Page 42: ...tes the stamper solenoid A for 500 ms after the page was transmitted immediate transmission or stored memory transmission successfully Then the page is fed out of the scanner If the Stamp LED is turned off the machine feeds out the page without stamp ing A H521D010 wmf DETAILED SECTION DESCRIPTIONS May 22nd 1995 SCANNER 2 14 ...

Page 43: ...ects an error if one of the following conditions occurs Jam Condition Description Error Code Non feed The scan line sensor does not switch on within 3 7 s of the ADF motor starting 1 00 Incorrect sensor conditions The scan line sensor switches on while the document sensor is off The document width sensor switches on while the document sensor is off The scanner home position sensor did not turn on ...

Page 44: ...nner or when a jammed document has been removed the ADF motor reverses The error occurs if a document is placed into the feeder while the motor is rotating No error code Cover open While the machine is working the ADF cover and or printer cover are open No error code DETAILED SECTION DESCRIPTIONS May 22nd 1995 SCANNER 2 16 ...

Page 45: ...or assembly is amplified in the FDU then transferred to the DIP Digital Image Processor inside the FCIP FDU FCE FCIP DIP Original Xenon Lamp Amplifier Analog data Video SRAM VRAM Binary data Image Sensor Contact Image Sensor Assembly H521D519 wmf May 22nd 1995 DETAILED SECTION DESCRIPTIONS SCANNER 2 17 ...

Page 46: ...AX Analog Digital Reduction Main Scan Reduction Mode NO YES Reduction Main Scan Reduction NO YES Scanner Position Fine Adjustment AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AA AA AA AA Standard resolution 15 4 l mm 15 4 l mm 15 4 l mm 15 4 l mm 3 85 l mm 1st Line 2nd Line 3rd Line 4th Line AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AA AA AA AA Detail resolution 1st Line 2nd Line 3rd Line 4th Line 7 7 l ...

Page 47: ...he sensor output level depends on the sampling clock selected as shown in the above diagram The clock is adjusted at the factory But in the field the clock should be reset using service function 10 4 whenever the image sensor is replaced Refer to section 4 1 19 for the procedure Scanner Lamp ON Scanner Lamp OFF Clock 0 Clock 6 Clock 7 Clock 5 Clock 4 Clock 3 Clock 2 Clock 1 H521D510 wmf May 22nd 1...

Page 48: ... element on the image sensor is compared with the above stored values and corrected this is Auto shading The all white waveform is also used as a peak level for the peak hold function If Halftone was not selected 1 Background detection Each pixel is tested in relation to its neighbours to determine if it is back ground noise and should be eliminated 2 Auto density control The most suitable thresho...

Page 49: ...an the resolution used by the scanner the DIP will either do OR processing and or skip alter nate lines of data to convert the scanned resolution into the resolution required for transmission See Sub Scan Resolution Conversion in section 2 1 1 If Halftone was selected 1 Gamma correction Gamma correction corrects the response of the image sensor to the vari ous shades in the gray scale from black t...

Page 50: ...f the ele ment is on a boundary the element goes directly to white or black with out thresholding see below The data is thresholded Each pixel is compared with the corresponding element in a dither matrix or using error diffusion The resulting data is one bit 0 or 1 3 Video Processing Parameters Some of the parameters used for digital image processing can be changed by RAM addresses See section 5 ...

Page 51: ...ng Toner application roller 700 V Development roller 400 V Switching bias Toner application roller 50 V Development roller 250 V The transfer roller pulls the toner from the drum onto the paper A constant current of 5 µA is applied The antistatic brush helps to separate the paper from the drum The cleaning blade removes any toner remaining on the drum after the image is transferred to the paper Th...

Page 52: ...er pack B applies a constant current of 305 5 µA the voltage is about 5 3 kV The grid plate C ensures that the charge is uni formly spread out The zener diode D ensures that the charge on the drum does not exceed 750 50 V The charge corona unit contains a wire cleaner E for user maintenanace The ozone fan on the left hand side of the machine provides air flow to the charge corona unit and the ozon...

Page 53: ...r by lighting the Call Service indicator error code 9 17 Charge Control In this machine a higher corona wire current is used to counter black bands on copies The charge on the drum exceeds the zener diode voltage as a re sult of this higher current Power Pack Driver EXIO CPU 1 43 21 1 Power Pack 21 3 21 8 715V 24VM Leak Signal Charge Fusing Unit Cover Interlock Switch ON OFF IC8 IC4 FCE FDU H521D6...

Page 54: ...r beam to the laser sychroni zation detector circuit in the FDU The shape of the mirror E is hexagonal The strength of the beam emitted from the LD unit F is 5 mW at a wavelength of 780 nm The dimensions of the dot on the drum are 85 µm by 85 µm The hexagonal mirror motor speed depends on the printing resolution Copy and G3 l mm mode 16 x 15 4 dots mm 10402 rpm Printer mode 300 dpi 7977 8 rpm The ...

Page 55: ...cts a mirror motor error when FDU CN14 4 does not go low within 10 seconds of the hexagonal mirror motor being turned on The machine also detects a mirror motor error when FDU CN14 4 goes back to high for 3 seconds or more during mirror motor operation When either of these errors occurs the machine warns the customer with the Call Service in dicator error code 9 23 FDU FCE LDDR FCIP Laser Synch De...

Page 56: ...th the duty cycle of the laser pulse is changed For example to make the print density 40 of normal the laser is only kept on for 40 of the normal duration for each pixel 5 Enlargement For enlargement the FCIP controls the magnification ratio by changing the in terval between pulses in the laser clock signals So for example the clock signal pulse interval for 200 enlargement is twice as long as the...

Page 57: ...rks when printing fax messages and reports However toner saving is disabled in NSF NSS halftone mode that is when bit 126 of the NSF NSS frame is set to 1 When toner saving mode is selected the print image density is automat ically set to Normal in some cases the image may become invisible if the Lighter setting is used Cross Reference Toner Saving Mode User parameter 12 bit 2 Edge Enhancement In ...

Page 58: ... supplied to the development unit from the outer openings D E of the CTM The spiral mechanism F on the toner supply bar distributes toner through the development unit Openings in the central area of the CTM G allow toner to circulate upwards from the development unit This circulation prevents excessive toner supply to the development unit and ensures that the toner remains fresh this helps to prev...

Page 59: ...is replaced Cross reference Initial toner supply mode RAM address 8003C1 See sections 4 5 and 5 4 5 for details CTM Detection At the following times the machine detects whether a CTM is installed by checking the power supply to the quenching lamp this is part of the CTM At power up When the machine comes back to normal mode from the Level 2 Power Saver Mode When the cover is opened and then closed...

Page 60: ...cted the machine can print 100 more sheets then the cpu disables printing this is the toner end condition The machine clears the toner near end or toner end condition when the power is switched off and back on or when the cover is opened and closed if the output from the toner end sensor goes back high again However when the machine is turned off on or when the cover is opened and then closed the ...

Page 61: ...ential difference between these two rollers The exposed area on the drum E is at 100 V The development roller ap plies toner to these areas of the latent image as they turn past the drum The development roller is made of a soft rubber so it does not damage the surface of the drum The development roller is provided as a separate spare part because it always contacts the toner application roller and...

Page 62: ...he toner application roller and 400 10 V is applied to the development roller Toner transfers from the toner applica tion roller to the development roller and on to the laser exposed areas drum as shown below D B C A H521D618 wmf E A H521D619 wmf Development Roller Toner Application Roller GND 750V 400V 700V 100V Print Data White Black Drum Surface Voltage Toner Drum Exposed Area H521D655 wmf DETA...

Page 63: ...ng toner on the develp ment roller does not transfer to the drum at B but transfers to the toner application roller at C In some cases positively charged toner may transfer to the drum in this condition So a positive cur rent is applied to the transfer roller after each page so that the posi tively charged toner does not transfer to the transfer roller Development Roller Toner Application Roller G...

Page 64: ...s is to avoid any toner transfer to the drum Note that the voltage difference between the toner application and develop ment rollers is kept the same as in printing at 300 V This keeps the same amount of toner on the development roller at all times during the print run Development Roller Toner Application Roller GND 50V 250V Drum Surface Voltage Toner h521d650 wmf DETAILED SECTION DESCRIPTIONS May...

Page 65: ...ow High Low High Bias 1 Low Low High High Out Toner Application Roller 700 V 50 V Off Off Development Roller 400 V 250 V 400 V Off FDU FCE CPU 1 44 1 45 1 83 1 87 Power Pack Driver Bias 0 Bias 1 Transfer 0 Transfer 1 Power Pack Toner Application Roller Development Roller Transfer Roller IC4 21 6 21 7 21 4 21 5 H521D652 wmf May 22nd 1995 DETAILED SECTION DESCRIPTIONS PRINTING 2 37 ...

Page 66: ...C The registration roller D rotates clockwise when the standard cassette is used It rotates counter clockwise when the bypass feed slot B or the 100 sheet cassette is used When a sheet of paper is placed in the bypass feed slot the bypass feed sen sor E is turned on and the machine prefeeds the paper until the registration sensor F is turned on B C D E F A H521D015 wmf DETAILED SECTION DESCRIPTION...

Page 67: ...d by the projection B and comes off the bottom hook C Once the slide lock comes off the bottom plate is raised by the pressure springs and the top sheet pushes up against the corner separators D This keeps the stack of paper at the correct height D A H521D016 wmf C B B H521D609 wmf May 22nd 1995 DETAILED SECTION DESCRIPTIONS PRINTING 2 39 ...

Page 68: ...uator B drops through a slot in the bottom plate Selectable cassette paper sizes USA model Letter Half Letter Legal Europe Asia model A4 A5 B4 B5 F F4 The following diagram shows the relationship between the activated mi croswitches and the selected paper size Microswitch USA Model Europe Asia Model 000 001 Legal F F4 010 B4 011 Letter 100 B5 101 A4 110 Half Letter B5 sideways 111 A5 Note indicate...

Page 69: ...s in the standard cas sette Note B4 and B5 sideways paper cannot be used with the 100 sheet cassette When the 100 sheet cassette runs out of paper the paper end sensor actua tor B drops through a slot to detect paper end Paper Size End Detection B A H521D611 wmf FDU FCE FCIP CPU Paper End Sensor Standard Cassette Paper Size Detector Standard Cassette Paper Size Detector 100 Sheet Cassette Paper En...

Page 70: ...and feed mechanism When the standard cassette is used the paper feed motor turns clockwise driving the paper feed rollers B and the registration roller C as shown in the diagram The paper feed clutch D turns on to allow the paper feed roller to turn only once for each sheet of paper While the registration roller turns counter clockwise paper cannot be fed into the machine from the optional 100 she...

Page 71: ...n the bypass feed slot for longer than the Auto Reset Time System Switch 0B the machine will automatically feed it out The machine will not print incoming messages while there is a sheet of paper in the bypass feed slot so feeding out the page after the Auto Reset Time al lows incoming faxes to be printed even if someone leaves paper in the bypass feed slot Sheets of paper longer than about 60 cm ...

Page 72: ...r Feed Priority If there is an optional cassette installed in the machine the priority for paper feed is decided in accordance with the following rules The paper in the bypass feed slot has the first priority for copying and printing from a PC only If the cassettes contain the same paper size the 100 sheet cassette is used first If the cassettes contain different sizes the machine selects the pape...

Page 73: ...r starts rotating immediately after laser scaninng starts When the leading edge touches the pressure rollers the momen tum of the paper corrects any skew When the fusing unit cover is opened the door end pushes the spring lever C and the release lever D as shown in the diagram This releases drive applied to the registration roller and allows the registration roller to rotate freely making it easie...

Page 74: ...ds after the paper feed motor starts rotating for printing This error is not generated during prefeed to allow the users to change their minds after putting paper in this slot When the bypass feed sensor is turned on the machine prefeeds the paper for up to 1 second and stops feeding even if the registration sensor is not turned on If the registration sensor did not turn on at prefeed the machine ...

Page 75: ...e positively biased transfer roller pulls negatively charged toner off the drum The curvature of the drum and the antistatic brush helps the paper to drop away from the drum Temperature and humidity have less effect on the supply of ions when the transfer current is held constant With a constant voltage ions may dissipate in some conditions B A H521D620 wmf H521D653 wmf May 22nd 1995 DETAILED SECT...

Page 76: ...hine goes through the cleaning mode in the following conditions At power up the process starts when the fusing temperature reaches half of the standby temperature When the cover is opened and then closed during the printing process After a printer jam has been cleared After the bypass feed slot has been used each page This is done only if printer switch 00 bit 3 is set to 1 The cpu controls the tr...

Page 77: ...of 5 0 2 µA is applied to transfer back to the drum any toner which is positively charged by the transfer roller Main Motor Charge Toner Application Roller Development Roller Transfer Roller Quenching Lamp 0 3 1 1 4 0 67 0 75 5 Bypass feed 6 5 0 02 GND ON ON ON OFF OFF OFF 50V 700V 250V GND 400V 5µA 1000V 0 270 T1 T2 H521D663 wmf May 22nd 1995 DETAILED SECTION DESCRIPTIONS PRINTING 2 49 ...

Page 78: ...er tank D The mylar blade C scrapes the toner off the mag netic roller into the used toner tank D When the CTM is removed from the machine the cleaning roller cover E is closed by a spring This prevents removed toner from falling out of the unit There is no used toner overflow detection mechanism because the used toner tank is large enough for the lifetime of the CTM A B E D C H521D621 wmf DETAILE...

Page 79: ...ature of the hot roller would be about 400 C The thermofuse is not used in USA models AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AA AA AA AA AA AA AAAA AAAA AAAA AAAA AAAA AAAA AA AA AA AA AA AA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAA...

Page 80: ...de 9 22 sub code 09 is generated As a backup safety measure when the temperature of the hot roller reaches about 400 C the thermostat and or the thermofuse open the thermofuse is not installed in USA models The machine turns on the cooling fan when the fusing temperature reaches 120 C It is turned off when the fusing temperature drops below 120 C FDU FCE CPU 25 1 25 2 12 1 12 2 Comparator 5V 5V In...

Page 81: ...e detects a paper jam when the paper feed out sensor is not turned off within X seconds or more after it is turned on error Code 9 09 X seconds paper length 67 546 3 seconds 67 546 mm s is the paper feed speed These conditions are the same for the standard universal cassette bypass feed and optional 100 sheet cassette A B H521D622 wmf May 22nd 1995 DETAILED SECTION DESCRIPTIONS PRINTING 2 53 ...

Page 82: ...perature stays above 185 C for more than 40 seconds Sub code 01 If the fusing temperature comes below 140 C during printing Sub code 07 After printing If the fusing temperature takes more than 20 minutes to go down to below 100 C when the machine goes into the Power Saver Mode Level 1 When fusing lamp OFF is selected for Power Saver Mode Level 1 Sub code 03 Either If the fusing temperature takes m...

Page 83: ...aper size The com bination of the bit settings determines the ratio for that paper size Bit No Switch No Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Not used B4 Legal F A4 B5 Letter B5 sideways A5 sideways HLT Sw 04 0 3 2 1 4 3 0 8 7 1 12 11 0 0 1 1 Sw 05 The following table shows the maximum incoming page length that can be re duced for each copy paper size All length are in millimeters The f...

Page 84: ... is at 0 Disabled the data will not be reduced However if the incoming page is up to x mm longer than the copy paper the excess portion will not printed The value of x can be from 0 to 15 mm It is determined by the setting of bits 4 to 7 of printer switch 03 Hex value Value of X 0 0 0 1 and so on until F 15 Messages more than x mm longer than the copy paper will be printed out on two pages in acco...

Page 85: ... Fax Message Size Selected Paper Size HLT A5 LT A4 F F4 LG B5 B4 Half Letter 1 2 sideways 3 4 5 6 7 sideways 8 A5 sideways 1 sideways 2 3 4 5 6 sideways 7 Letter 7 SR 6 SR sideways 1 2 3 4 8 SR sideways 5 A4 7 SR 6 SR sideways 5 R 1 2 3 8 SR sideways 4 F F4 7 SR 6 SR sideways 5 R 4 R 1 2 8 SR sideways 3 Legal 7 SR 6 SR sideways 5 R 4 R 3 R 1 8 SR 2 B5 sideways 1 sideways 2 B4 2 SR sideways 1 The p...

Page 86: ... explain how the machine controls these three modes Note that power saver mode does not operate if an optional printer interface or RS232C kit is installed FDU FCE AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA A...

Page 87: ...2 on the flow chart Which Power Saver Mode is Selected If User Switch 05 bits 6 and 7 are set to maintain the fusing lamp at a certain temperature during Power Saver Mode the machine enters Power Saver Mode Level 1 See point 3 on the flow chart If User Switch 05 bits 6 and 7 are set to keep the fusing lamp off during Power Saver Mode the machine checks for events listed on the flow chart as condit...

Page 88: ...munication Error NCU Off Hook Optional Equipment Installed Memory 100 Tx File Polling Rx File Exists Condition 3 all cleared Machine is in operation Machine is in a service call condition Machine is in a service mode operation T 1 3 or 5 minutes No Yes Unlimited Power Saver Key Yes No Key pressed Original detected Handset off hook If key was pressed in the above condition Power Saver Mode Level 1 ...

Page 89: ... If there is a tx file in the memory The machine stays in Power Saver Mode Level 1 until it is time to send the message The machine then enters Level 0 while the message is sent See point 1 on the flow chart When the Power Saver timer expires When the power saver timer expires after the machine entered Level 1 for the first time or if a tx file was present after the message was transmitted the mac...

Page 90: ...le in memory No Power Saver Mode Level 2 LCD OFF LED OFF Fusing OFF Main CPU OFF Power Saver CPU ON Timer 0 Timer T System SW 0B Bit 2 3 T 1 3 or 5 minutes User SW 05 Bit 6 7 Fusing Lamp OFF Yes No Condition 1 No OR No Yes Mechanical Errors Original detected Communication Error NCU Off Hook Optional Equipment Installed Memory 100 Tx File Polling Rx File Exists 1 2 h521d627 wmf DETAILED SECTION DES...

Page 91: ...tem components are active in the background for receiving a fax message See point 1 on the flow chart Printing If either of the following conditions is not met condition 1 on the flow chart the machine will print out the fax message then return to Power Saver Mode in the manner described in the previous two flow charts in this section Power Saver mode is activated during the Night Timer period The...

Page 92: ...N Power Saver CPU OFF Memory Reception Power Saving Mode Program No No Power Saver Mode Level 1 LCD OFF LED OFF Fusing User SW 05 Setting Main CPU ON Power Saver CPU OFF Power Saver Mode is enabled by User Function 62 and the machine is in a Night Timer period Yes Fusing Heat up Message Printout 1 2 h521d628 wmf DETAILED SECTION DESCRIPTIONS May 22nd 1995 SYSTEM FEATURES 2 64 ...

Page 93: ...Level 2 or the main CPU Level 1 monitors signals from the following con dition 1 on the flow chart Power saver key Document sensor Off hook detector on the NCU When a signal from one of these has been detected the CPU wakes up all the components and the machine enters normal operating mode even during the Night Timer period After operations have been finished the machine goes back to a power saver...

Page 94: ... Phone communication Fax transmission Making copies etc Power Saving Mode Program Standby Mode Yes Yes Message received in memory Operation Finished No No Power Saver key pressed Document set in ADF NCU off hook Power Saver Mode Level 1 LCD OFF LED OFF Fusing User SW 05 Setting Main CPU ON Power Saver CPU OFF h521d629 wmf DETAILED SECTION DESCRIPTIONS May 22nd 1995 SYSTEM FEATURES 2 66 ...

Page 95: ...e 9 20 21 Fusing lamp failure 9 22 01 to 09 Polygonal mirror motor failure 9 23 31 or 32 Main motor failure 9 24 41 or 42 Excessive jams in the ADF scanner None None Excessive jams in the printer None None The PM counter has reached the threshold 60 000 prints None None The PM interval has expired None None Cross reference Service station number Service Function 13 Troubleshooting Chapter 6 May 22...

Page 96: ...f paper is fed without a jam occuring NO JAM1 and NO JAM2 are both incremented by 1 When NO JAM1 reaches DEC 16 by default NO JAM1 is set to zero and JAM is decremented by 1 When NO JAM2 reaches CLR 48 by default NO JAM2 and JAM are both reset to zero The CALL DEC and CLR thresholds can be adjusted for each type of jam by rewriting RAM data The addresses of these thresholds are given on the next p...

Page 97: ...ro automat ically after the call Then the alarm is disabled until either bit 3 or bit 4 of address 80033d is reset to zero 3 Periodic Service Call The periodic service call notifies the condition of the machine to the service station The call is made periodically at a time interval programmed in the fol lowing RAM addresses Parameters Address H Call interval 01 through 15 month s BCD 00 Periodic S...

Page 98: ... Service indicator does not light for a PM service call and the ma chine can be operated normally after it has made the service call 5 Effective Term of Service Calls If a time limit for the effectiveness of service calls is programmed the ma chine stops making automatic service calls after the time limit Program the time limit at the following addresses This function is disabled when all of these...

Page 99: ... Serial interface to the FDU DRAM backup control Ringing signal Tone detection Fusing lamp control 2 ROM 512 kB 4 Mbit flash ROM for system software storage FCE DATA ADDRESS BUS SRAM 32kB DRAM 1024kB Flash ROM 512kB Video SRAM 8kB 12VP 5V Battery 5V IC6 FCIP 32 768kHz 29 952MHz Parallel IO IC Page Memory Card RS232C Interface Optional FDU 5VBAT Serial IO h521d630 wmf May 22nd 1995 DETAILED SECTION...

Page 100: ... parameter storage Backed up by the battery on the FCE 5 Video SRAM 8 kB SRAM for video processing 6 Oscillators 29 952 MHz oscillator for system clock generation 32 768 MHz oscillator for the real time clock This is backed up by the battery on the FCE 7 Jumpers Switches and Test Points Item Description SW1 Switches the backup battery ON OFF DETAILED SECTION DESCRIPTIONS May 22nd 1995 PCBs 2 72 ...

Page 101: ...er driver 5 DC DC Converters 5V generation 12V generation FCE Power Saver CPU MFPD External IO HIC M M Paper Feed Motor TX Motor Control Serial I F 24V Interlock Sw 5V Interlock Sw DC DC Converter 24V 24VM ON OFF 24VD DC DC Converter 12VP 5VE 5V 5VV ON OFF TB1 5V Flash ROM Boot Block Overwrite ON OFF PSU Fusing Lamp 5V 5VLD AC Input Serial I F M TX DATA RX DATA TX RX DATA NCU CL SOL Sensors OPU Se...

Page 102: ...Synchronization signal CN40 4 COM1 ground TB1 Switches the power supply to the flash ROM boot block on the FCE 1 2 pins shorted 12V the boot block can be overwritten 2 3 pins shorted 5V the boot block cannot be overwritten Warning Do not change this jumper setting unless the boot block in the Flash ROM needs to be overwritten by Function 12 Refer to Chapter 4 1 20 for more details 2 4 3 PSU 24Vdc ...

Page 103: ...shorted when the machine is connected to a dry line JP6 Ring Detect OHDISW TIP RING T1 R1 T1 R1 TRXD Current Sensor ExDI Hook1 Hook0 24 V OHDISW 24V Ext Tel DP Off Hook Detection Relay NCU JP5 JP6 ExRing h521d633 wmf May 22nd 1995 DETAILED SECTION DESCRIPTIONS PCBs 2 75 ...

Page 104: ...O Ireland H L L S S S Finland L H L O O O Switzerland L H L O O O Other L H L S O O L Low H High S Short O Open TIP RING SHUNT GS T1 R1 TRXD JP24 TIP RING SHUNT GS T1 R1 OHDISW Hook0 RSEL DOSW CMLSW Hook1 ExRing CSEL0 CSEL1 Ring Detection Circuit Current Sensor Filter 16Hz CML Relay DO Sw GSSW OHDI Sw GS Sw CN5 Loop Closure Circuit CN7 H521D634 WMF DETAILED SECTION DESCRIPTIONS May 22nd 1995 PCBs ...

Page 105: ...on 08 Country code System switch 0F Function 01 Protocol requirements G3 switch 0B Function 01 PABX access code RAM address 8000BB Function 06 Machine s serial number Function 14 Service station s fax number Function 13 PM call System switch 01 bit 0 Function 01 Periodic service call RAM address 800256 Function 06 Items to Program User Administrator Level Function No Clock Function 91 Initial prog...

Page 106: ...isconnect the power plug 3 3 1 Counter A H165i501 wmf Remove the inner cover A B C D H165i502 wmf Remove the small cover B from the in ner cover and install the counter C Connect the harness D to the FDU then put back the inner cover A Plug in the machine and turn on the main switch Make some copies and check if the counter works If it does not check the connection from the counter to the FDU INST...

Page 107: ...w and the left cover B 2 screws H144i502 wmf Cut off the shaded parts of the left cover B A H144i504 wmf Put back the left cover B 2 screws and the NCU cover A 1 screw D C H144i503 wmf Install two brackets C and D 1 screw each May 22nd 1995 INSTALLATION OPTIONAL UNITS 3 3 ...

Page 108: ... from the printer interface unit to the FDU Enter user function 36 and print a setup sheet or a test pattern to check the controller Refer to the Operation Manual for the procedures Print a page from the PC to check the parallel interface E F H144i505 wmf Connect the harness E to the FDU and hook up the printer interface unit F to the machine H G H144i506 wmf Secure the unit with two screws and in...

Page 109: ...NCTION KPAD NEXT SERVICE FUNCTIONS 2 0 1 Y SYS DF 0000 0000 BITSW 00 0000 0000 Bit 7 is displayed at the left and bit 0 at the right 3 Scroll through the bit switch menu or Example To see the communication bit switches 3 Scroll through the bit switches Increment bit switch Decrement bit switch Example Display bit switch 3 x 3 SYS DF 0000 0000 BITSW03 0000 0000 4 Adjust the bit switch Example To ch...

Page 110: ...Error Code Display Function 03 1 FU 6 1 9 9 5 then immedi ately Y FUNCTION KPAD NEXT SERVICE FUNCTIONS 2 0 3 Y ERROR CODE 1 01 JAN 01 17 30 3 Either Scroll through the error codes or Finish FU 4 1 4 Service Monitor Report Function 04 1 FU 6 1 9 9 5 then immediately Y FUNCTION KPAD NEXT SERVICE FUNCTIONS 2 0 4 Y S 3 Finish FU SERVICE TABLES AND PROCEDURES May 22nd 1995 SERVICE LEVEL FUNCTIONS 4 2 ...

Page 111: ...CTIONS 2 0 6 Y 0 MEM R W 1 MEM DUMP 3 0 ADDRESS 000000 DATA 00 4 Input the address that you wish to see Example Address 800020 800 0 2 0 ADDRESS 202020 DATA 20 Note To move the cursor press 5 If you wish to change the data type in the new data Example 80 press 8 0 ADDRESS 202020 DATA 80 Note If you wish to move the cursor press 6 Either View more addresses go to step 4 Finish FU May 22nd 1995 SERV...

Page 112: ...01FF H Then press Start to print the dump list MEMORY DUMP START N ADD 800000 8001FF Example Start at 800000 end at 8001FF 80008001S MEMORY DUMP 5 Finish FU 4 1 8 4 1 8 Counter Display Rewrite Function 07 1 FU 6 1 9 9 5 then immediately Y FUNCTION KPAD NEXT SERVICE FUNCTIONS 2 0 7 Y 0 COUNTER 1 PM 2 CTM 3 OPU 3 Either Check the scanned printed transmitted and received page counters and the printer...

Page 113: ...alue then press Y 5 To finish FU 4 1 9 NCU Parameters Function 08 1 FU 6 1 9 9 5 then immediately Y FUNCTION KPAD NEXT SERVICE FUNCTIONS 2 0 8 Y 3 0 0 NCU 1 MODEM 2 DTMF 3 DETCT 4 Scroll through the parameters using or If you want to change a value enter the new value at the keypad then press Y Example Set NCU parameter 04 to 005 0 0 5 Y NCU KPAD NO 04 005 5 To finish N FU Note Parameter CC is the...

Page 114: ...available tests using or 5 S 6 To stop the test s 7 To finish N FU 4 1 11 DTMF Tone Test Function 08 1 FU 6 1 9 9 5 then immediately Y FUNCTION KPAD NEXT SERVICE FUNCTIONS 2 0 8 Y 0 NCU 1 MODEM 2 DTMF 3 DETECT 3 2 DTMF TEST START TONE 0 4 Scroll through the available tests using or 5 S 6 To stop the test s 7 To finish N FU SERVICE TABLES AND PROCEDURES May 22nd 1995 SERVICE LEVEL FUNCTIONS 4 6 ...

Page 115: ... SERVICE FUNCTIONS 2 0 8 Y 0 NCU 1 MODEM 2 DTMF 3 DETECT 3 3 MODEM DET START V21 300BPS 4 Scroll through the available tests using or 5 S 6 To stop the test s 7 To finish N FU 4 1 13 Ringer Test Function 08 1 FU 6 1 9 9 5 then immediately Y FUNCTION KPAD NEXT SERVICE FUNCTIONS 2 0 8 Y 0 NCU 1 MODEM 2 DTMF 3 DETECT 3 4 START RINGER 5 S 6 To stop s 7 To finish N FU May 22nd 1995 SERVICE TABLES AND P...

Page 116: ...ED Array Test Function 10 1 FU 6 1 9 9 5 then immediately Y FUNCTION KPAD NEXT SERVICE FUNCTIONS 2 1 0 Y 0 LAMP 1 ADF 2 BOOK 3 SELECT 3 0 4 S START LAMP 000 The LED array and fusing lamp both turn on The video peak level detected by the image sensor is displayed on the bottom line 5 To stop the test s 6 To finish N FU SERVICE TABLES AND PROCEDURES May 22nd 1995 SERVICE LEVEL FUNCTIONS 4 8 ...

Page 117: ...l be fed 5 To stop the test s 6 Finish N FU 4 1 17 Book Mode Scanner Mechanism Test Function 10 1 FU6 1 9 9 5 then immediately Y FUNCTION KPAD NEXT SERVICE FUNCTIONS 2 1 0 Y 0 LAMP 1 ADF 2 BOOK 3 SELECT 3 2 START BOOK 4 Press S One book mode scan cycle is performed then the machine stops If you wish to stop the test before this press s 5 Finish N FU May 22nd 1995 SERVICE TABLES AND PROCEDURES SERV...

Page 118: ...ayed First four digits Not used 5th digit W1 6th digit W2 7th digit L1 8th digit L2 See Original Detection section 2 1 2 for the functions of W1 W2 L1 and L2 5 To stop the test s 6 Finish N FU 4 1 19 Image Sensor Signal Check Sampling Clock Reset Function 10 1 FU 6 1 9 9 5 then immediately Y FUNCTION KPAD NEXT SERVICE FUNCTIONS 2 1 0 Y 0 LAMP 1 ADF 2 BOOK 3 SELECT 3 4 START VIDEO SERVICE TABLES AN...

Page 119: ...age sensor is defective 2 AAA was out of the specified range The image sensor Xe lamp FCE or FDU is defective 3 Both A and B were out of the specified range E Selected clock from 0 to 7 5 To stop the test s 6 Finish N FU 4 1 20 Printer Test Patterns Function 11 1 FU 6 1 9 9 5 then immediately Y FUNCTION KPAD NEXT SERVICE FUNCTIONS 2 1 1 Y 0 PATTERN 1 MECH 2 RAM 3 0 PATTERN PRINT KPAD 0 4 5 Press a...

Page 120: ...Function 12 1 FU 6 1 9 9 5 then immediately Y FUNCTION KPAD NEXT SERVICE FUNCTIONS 2 1 2 Y 0 SRAM 1 SAF 2 SAFCARD 3 M R 3 Either Test the SRAM Press 0 S Test the SAF Press 1 S Test the IC card Press 2 S If the test is successful the display shows OK If the test is not successful the display shows ADDRESS and the de fective memory address 4 To finish N FU SERVICE TABLES AND PROCEDURES May 22nd 1995...

Page 121: ...er and the front cover then remove the IC page memory card from the FCE 2 Insert the Flash SRAM Copy Tool A into the IC card slot B then con nect the FCE or EPROM board with new software C to the opposite side of the tool Note The switch D on the tool A must be at the ON position 3 Turn on the machine 4 FU 6 1 9 9 5 then immediately Y FUNCTION KPAD NEXT SERVICE FUNCTIONS 5 1 2 Y 0 SRAM 1 SAF 2 SAF...

Page 122: ...ter step 3 set bit 5 of system switch 02 to 1 Before switching on the machine again in step 9 put TB1 back to the default position 2 3 pins shorted 11 Put back the front left and NCU covers ICAUTION If the IC card is missing the machine will only be able to make partial copies of each original because of a lack of page memory 4 1 24 Software Upload Function 12 This function copies the software fro...

Page 123: ...of a lack of page memory 4 1 25 SRAM Data Download Function 12 This function copies all the data stored in the SRAM on an external FCE to the machine s FCE Use this after replacing a damaged FCE to save any pre vious settings that were programmed in the damaged FCE 1 Turn off the machine 2 Connect the Flash SRAM Copy Tool A and the damaged FCE C as shown in section 4 1 22 Note The setting of switc...

Page 124: ... IC card is missing the machine will only be able to make partial copies of each original because of a lack of page memory 4 1 26 Serial Number Function 14 1 FU 6 1 9 9 5 then immediately Y FUNCTION KPAD NEXT SERVICE FUNCTIONS 2 1 4 Y SERIAL KPAD 3 Enter the machine s serial number at the keypad To correct a mistake N SERIAL KPAD Y N 7940479186 4 If the display is correct Y 5 Finish FU SERVICE TAB...

Page 125: ...VICE FUNCTIONS 2 1 3 Y S S NO KPAD _ 3 Input the telephone number of the service station that will receive Auto Service calls from this machine To clear the telephone number press N S S NO KPAD 2125555242 4 If the display is correct YFU May 22nd 1995 SERVICE TABLES AND PROCEDURES SERVICE LEVEL FUNCTIONS 4 17 ...

Page 126: ...unication files e g polling rx files This setting is recommended for use when it is necessary to clear the SAF Reset Level 2 In addition to those items erased by Reset Level 3 the following items are erased own telephone number bit switches RTI TTI CSI Report data programmed telephone numbers Quick Speed Groups service station etc NCU parameters personal codes After erasing the machine changes the...

Page 127: ... rate during image data transmission only 1 Rx level This bit determines the data type to be printed on the TCR Journal when technical data printout is enabled by bit 2 above 4 Line error marks 0 Disabled 1 Enabled If this bit is 1 a mark will be printed on the left edge of the page at any place where a line error occured in the data Such errors are caused by a noisy line for example 5 Communicati...

Page 128: ...Standard transmitted at 8 x 3 85 dots per mm I O rate 0M 0 ms line 10M 10 ms line 2 M 2 5 ms line 20M 20 ms line 5M 5 ms line 40M 40 ms line Width and reduction A4 A4 8 3 no reduction B4 B4 10 1 no reduction A4 Reduced to A4 8 3 before transmission System Switch 01 No FUNCTION COMMENTS 0 PM call 0 Disabled 1 Enabled This bit switch determines whether the machine will send an Auto Service Call to t...

Page 129: ...inted using Function 51 Always reset this bit after printing the messages 4 Not used Do not change the settings 5 Software download area 0 All except the boot block 1 All areas including the boot block Keep this bit at 0 except for the rare cases when the Flash ROM boot block has to be rewritten 0 This is the normal setting For normal software downloads do not change this bit switch 1 Set this bit...

Page 130: ...ine asks the user to replace the OPC drum at 30 000 print intervals default interval After the user replaces the drum the machine asks the user if the drum is replaced or not If the user answers yes the machine resets the OPC counter to zero The drum replacement interval is programmed at addresses 8001E5 to 8001E7 H Refer to section 4 5 for more details 1 The machine will not ask the user to repla...

Page 131: ...setup of T 30 protocol are listed on the TCR Journal This will include telephone calls 2 Automatic error report printout 0 Disabled 1 Enabled 0 Error reports will not be printed 1 Error reports will be printed automatically after failed communications 3 Printing of the error code on the error report 0 No 1 Yes 1 Error codes are printed on the error reports 4 Not used Do not change the factory sett...

Page 132: ...reset is disabled Other The machine returns to the standby mode when the timer expires after the last operation 2 3 Power Saver mode timer Bit 3 Bit 2 Time Limit 0 0 1 minute 0 1 3 minutes 1 0 5 minutes 1 1 No limit 1 1 Automatic Power Saver mode is disabled Other The machine goes into a Power Saver mode when the timer expires after the last operation Cross reference Power Saver modes Section 2 3 ...

Page 133: ... sideways 0 A5sideways 1 HLT sideways 6 7 Not used Do not change the settings System Switch 0E No FUNCTION COMMENTS 0 Not used Do not change the settings 1 Automatic cassette switchover 0 Disabled 1 Enabled If this is enabled the machine will automatically switch over to the other cassette if paper runs out if an optional cassette is installed and the paper is of the same size 2 Copy count progres...

Page 134: ...y code Function 08 parameter CC System Switch 10 Not used do not change the settings System Switch 11 Not used do not change the settings System Switch 12 No FUNCTION COMMENTS 0 to 7 TTI printing position in the main scan direction 08 to 92 BCD mm Enter even numbers only This setting determines the TTI print start position from the left edge of the paper If moved across to the right too far the TT...

Page 135: ...itch 19 Not used do not change the settings System Switch 1A Not used do not change the settings System Switch 1B Not used do not change the settings System Switch 1C Not used do not change the settings System Switch 1D Not used do not change the settings System Switch 1E Not used do not change the settings System Switch 1F Not used do not change the settings May 22nd 1995 SERVICE TABLES AND PROCE...

Page 136: ...Switch 01 Not used do not change the factory settings Scanner Switch 02 Not used do not change the factory settings Scanner Switch 03 Not used do not change the factory settings Scanner Switch 04 Not used do not change the factory settings Scanner Switch 05 Not used do not change the factory settings Scanner Switch 06 Not used do not change the factory settings Scanner Switch 07 Not used do not ch...

Page 137: ...sabled 1 Enabled 0 The next page continues from where the previous page left off 1 The final few mm of the previous page are printed at the top of the next page See section 2 2 12 for details 2 Not used Do not change the settings 3 Cleaning mode after bypass feed 0 Disabled 1 After each page is fed from the bypass feed slot 0 Cleaning mode is not done at all if bypass feed is used 1 Cleaning mode ...

Page 138: ...t change the settings 2 3 4 to 7 Page separation threshold with reduction disabled in switch 03 0 above If the incoming page is up to x mm longer than the copy paper the excess portion will not be printed If the incoming page is more than x mm longer than the copy paper the excess portion will be printed on the next page The value of x is determined by these four bits Hex value of bits 4 to 7 x mm...

Page 139: ...ot used B4 lengthwise B4 lengthwise Bit 7 Not used Not used Not used The available paper sizes depends on the machine s country version Sw 04 Sw 05 0 0 4 3 1 0 4 3 0 1 8 7 1 1 12 11 Printer Switch 06 Not used do not change the factory settings Printer Switch 07 Not used do not change the factory settings Printer Switch 08 Not used do not change the factory settings Printer Switch 09 Not used do no...

Page 140: ...dshaking of the T 30 protocol 2 3 Compression modes available in transmit mode Bit 3 2 Modes 0 0 MH only 0 1 MH MR 1 0 MH MR MMR 1 1 Not used These bits determine the compression capabilities to be used in transmission and to be declared in phase B handshaking of the T 30 protocol Cross reference EFC compression in transmission Communication Switch 01 bit 1 4 Not used Do not change the settings 5 ...

Page 141: ...at only the last 4 digits are compared 1 1 The machine will not transmit if the other end does not identify itself with an RTI or CSI 0 0 Nothing is checked transmission will always go ahead 4 Operator call if no response is received in reply to NSF DIS 0 Disabled 1 Enabled Set this bit to 1 if the user expects to receive phone calls at the same number which the machine is connected to 5 Not used ...

Page 142: ...ting 1 Printed 0 Pages received with errors are not printed 3 Hang up decision when a negative code RTN or PIN is received during G3 immediate transmission 0 No hang up 1 Hang up 0 The next page will be sent even if RTN or PIN is received 1 The machine will send DCN and hang up if it receives RTN or PIN This bit is ignored for memory transmissions or if ECM is being used 4 to 7 Not used Do not cha...

Page 143: ...ch 08 Not used do not change the factory settings Communication Switch 09 Not used do not change the factory settings Communication Switch 0A No FUNCTION COMMENTS 0 Point of resumption of memory transmission upon redialing 0 From the error page 1 From page 1 0 The transmission begins from the page where transmission failed the previous time 1 Transmission begins from the first page 1 to 6 Not used...

Page 144: ...tempts 06 to FF Hex unit 2 s e g 06 H 12 s This value is the minimum time that the machine waits before it dials the next destination Communication Switch 0F Not used do not change the factory settings Communication Switch 10 No FUNCTION COMMENTS 0 to 7 Memory transmission Maximum number of dialing attempts to the same destination 01 FF Hex times Communication Switch 11 No FUNCTION COMMENTS 0 to 7...

Page 145: ... settings Communication Switch 18 Not used do not change the factory settings Communication Switch 19 Not used do not change the factory settings Communication Switch 1A Not used do not change the factory settings Communication Switch 1B Not used do not change the factory settings Communication Switch 1C Not used do not change the factory settings Communication Switch 1D Not used do not change the...

Page 146: ...monitor speaker is enabled during memory transmission 3 to 6 Not used Do not change the settings 7 Back to back test 0 Disabled 1 Enabled Set this bit to 1 when you wish to do a back to back test 115 V model Be sure to connect jumpers JP5 and JP6 on the NCU before doing the test 220 V model Be sure to apply dc voltage between wires L1 and L2 on the NCU G3 Switch 01 No FUNCTION COMMENTS 0 to 3 Not ...

Page 147: ...cho countermeasure 0 1 1 2 0 The machine will hang up if it receives the same DIS frame twice 1 Before sending DCS the machine will wait for the second DIS which is caused by echo on the line 1 Not used Do not change the setting 2 3 ECM frame size in tx bytes 0 256 1 64 1 The machine transmits with a frame size of 64 bytes in ECM Set this bit to 1 when the other terminal has only a 64 byte ECM fra...

Page 148: ...em rate for transmission 4 to 7 Not used Do not change the settings G3 Switch 06 FUNCTION COMMENTS 0 to 3 Initial Rx modem rate Bit 3 2 1 0 Setting bps 0 0 0 1 2 4 k 0 0 1 0 4 8 k 0 0 1 1 7 2 k 0 1 0 0 9 6 k Other settings Not used The setting of these bits is used to inform the transmitting terminal of the available modem rate for the machine in receive mode 4 to 7 Modem types available for recep...

Page 149: ...te fallback occurs frequently 4 7 Not used Do not change the settings G3 Switch 08 FUNCTION COMMENTS 0 1 PABX cable equalizer tx mode Bit 1 Bit 0 Setting 0 0 None 0 1 Low 1 0 Medium 1 1 High Use a higher setting if there is signal loss at higher frequencies because of the length of wire between the modem and the telephone exchange Also try using the cable equalizer if one or more of the following ...

Page 150: ...uction time for the first line in receive mode 0 6 s 1 12 s When the sending terminal is controlled by a computer there may be a delay in receiving page data after the local machine accepts set up data and sends CFR If this occurs set this bit to 1 to give the sending machine more time to send data Refer to error code 0 20 7 Not used Do not change the settings G3 Switch 0B FUNCTION COMMENTS 0 Prot...

Page 151: ...0 1 Oslo P 10 N 1 0 Sweden N 1 1 1 Not used P Number of pulses sent out N Number dialed 2 to 7 Not used Do not change the settings G3 Switch 0D Not used do not change the factory settings G3 Switch 0E Not used do not change the factory settings G3 Switch 0F Not used do not change the factory settings May 22nd 1995 SERVICE TABLES AND PROCEDURES BIT SWITCHES 4 43 ...

Page 152: ... the country code directly into this address or use the decimal value to program it using Function 08 parameter C C Country Decimal Hex France 00 00 Germany 01 01 UK 02 02 Italy 03 03 Austria 04 04 Belgium 05 05 Denmark 06 06 Finland 07 07 Ireland 08 08 Norway 09 09 Sweden 10 0A Switzerland 11 0B Portugal 12 0C Holland 13 0D Spain 14 0E Israel 15 0F USA 17 11 Asia 18 12 Hong Kong 20 14 South Afric...

Page 153: ...detected HIGH 20 ms 807F13 PSTN busy tone frequency range high byte Hz BCD If 807F13 is FF detection is disabled See Note 2 807F14 PSTN busy tone frequency range low byte 807F15 Not used Do not change the factory settings 807F16 807F17 PABX dial tone frequency range high byte Hz BCD See Note 2 807F18 PABX dial tone frequency range low byte 807F19 Not used Do not change the factory settings 807F1A ...

Page 154: ...F2E Busy tone ON time range 3 807F2F Busy tone OFF time range 3 807F30 Busy tone ON time range 4 807F31 Busy tone OFF time range 4 807F32 Busy tone continuous tone detection time 807F33 Busy tone signal state time tolerance for all ranges and number of cycles required for detection a setting of 4 cycles means that ON OFF ON or OFF ON OFF must be detected twice Tolerance Bit 1 0 0 0 75 Bits 2 and 3...

Page 155: ...ntry dial tone reset time LOW 807F45 Country dial tone reset time HIGH 807F46 Country dial tone continuous tone time 807F47 Country dial tone permissible drop time 807F48 Country dial wait interval LOW 807F49 Country dial wait interval HIGH 807F4A Time between opening or closing the Ds relay and opening the Di relay 1 ms See Notes 4 and 7 Function 08 parameter 11 807F4B Break time for pulse dialli...

Page 156: ... access code BCD For a code of 100 807F5B F1 807F5C 00 807F5C 807F5D PSTN access pause time 20 ms This time is waited for each pause input after the PSTN access code Up to 7 of these can be input If this address contains FF H the pause time stored in address 807F4F is used 807F5E Progress tone detection level and cadence detection enable flags Bit 7 Bit 6 Bit 5 dBm 0 0 0 25 0 0 0 1 35 0 0 1 0 30 0...

Page 157: ...ction reset time LOW 20 ms Function 08 parameter 09 807F7A Ringing signal detection reset time HIGH Function 08 parameter 10 807F7B to 807F80 Not used Do not change the settings 807F81 Interval between dialing the last digit and switching the Oh relay over to the external telephone when dialing from the operation panel in handset mode 20 ms Factory setting 500 ms 807F82 Bits 0 and 1 Handset off ho...

Page 158: ...tection time for 800 Hz AI short protocol tone 20 ms Factory setting 360 ms 807FB4 PSTN Tx level from the modem dBm Function 08 parameter 01 807FB5 PSTN 1100 Hz tone transmission level N 807FB4 0 5N 807FB5 dB 807FB6 PSTN 2100 Hz tone transmission level N 807FB4 0 5N 807FB6 dB 807FB7 PABX Tx level from the modem dBm 807FB8 PABX 1100 Hz tone transmission level N 807FB7 0 5N 807FB8 dB 807FB9 PABX 210...

Page 159: ...uired for detection coded as in ad dress 807F33 807F0B if bit 0 1 or 807F3B if bit 2 1 on time hex code unit 20 ms 807F0C if bit 0 1 or 807F3C if bit 2 1 off time hex code unit 20 ms 4 Pulse dial parameters addresses 807F4A to 807F4F are the values for 10 pps If 20 pps is used the machine automatically compensates 5 The first ring may not be detected until 1 to 2 5 wavelengths after the time speci...

Page 160: ...05 0B0 360 505 0C8 340 520 0B8 370 515 0C0 350 515 0D8 330 525 0C8 Default 365 520 0D0 Default 340 520 0E8 325 535 0D8 355 530 0E0 335 525 0F8 Default 315 540 0E8 345 535 0F0 325 530 108 310 545 0F8 340 540 100 320 540 118 300 550 108 335 545 110 310 545 128 295 555 118 320 550 120 305 550 138 285 560 148 275 565 Ireland Norway Sweden RAM Value H Range Hz RAM Value H Range Hz RAM Value H Range Hz ...

Page 161: ...10 490 0BA Default 340 500 0C0 190 425 0D0 305 495 0CA 335 510 0D0 170 435 0E0 Default 295 500 0DA 325 515 0E0 160 440 0F0 285 510 0EA 320 520 0F0 135 435 100 275 515 0FA 310 525 100 130 430 110 265 520 10A 300 530 120 255 525 130 245 530 PABX Dial Tone 807F17 807F18 Italy Belgium Denmark RAM Value H Range Hz RAM Value H Range Hz RAM Value H Range Hz 098 405 495 0A8 370 505 0B0 360 505 0A8 395 505...

Page 162: ...alue H Range Hz 120 290 580 040 380 430 130 280 585 050 Default 365 435 140 Default 270 590 060 355 440 150 265 595 070 350 445 160 255 600 080 340 550 090 335 555 0A0 325 565 International Dial Tone 807F34 807F35 Belgium Holland Spain RAM Value H Range Hz RAM Value H Range Hz RAM Value H Range Hz 08A 1110 1160 FFFF Default Tone not detected 0C0 550 645 0AA Default 1105 1165 112 305 590 0D0 545 65...

Page 163: ...30 410 440 0E0 370 555 042 405 460 040 Default 400 450 0F0 360 560 052 Default 400 465 050 395 455 100 355 565 062 395 475 060 385 460 110 345 570 072 390 480 070 380 465 120 340 575 082 380 485 080 375 470 130 Default 330 580 092 375 490 090 365 475 140 325 585 0A2 365 495 150 315 590 160 310 595 Denmark Ireland Norway RAM Value H Range Hz RAM Value H Range Hz RAM Value H Range Hz 040 395 450 02E...

Page 164: ... RAM Value H Range Hz RAM Value H Range Hz RAM Value H Range Hz 0A8 330 470 040 380 430 028 405 445 0B8 320 460 050 Default 365 435 038 415 455 0C8 300 480 060 355 440 048 Default 400 460 0D8 Default 290 485 070 350 445 058 390 465 0E8 285 490 080 340 450 068 385 470 0F8 275 495 090 335 455 078 380 475 108 265 500 0A0 325 465 088 370 480 118 255 505 098 365 485 Portugal RAM Value H Range Hz RAM Va...

Page 165: ...0 130 355 580 080 375 470 080 380 475 140 350 585 090 365 475 090 370 480 150 340 590 0A0 365 485 160 330 595 Australia RAM Value H Range Hz RAM Value H Range Hz RAM Value H Range Hz 038 Default 395 450 048 390 460 058 385 465 068 375 470 078 370 475 088 365 480 CED 2100 Hz 807FA1 807FA2 All Areas RAM Value H Range Hz RAM Value H Range Hz RAM Value H Range Hz 1F0 2100 45 200 Default 2100 50 230 21...

Page 166: ...FH FFH FFH FFH Italy FFH FFH FFH 0H 30H Austria FFH FFH FFH 0H C8H Belgium FFH FFH FFH 0H C8H Denmark FFH FFH FFH 0H D0H Finland FFH FFH FFH 0H F8H Ireland FFH FFH FFH 0H E8H Norway FFH FFH FFH 0H C0H Sweden FFH FFH FFH 0H A0H Switzerland FFH FFH FFH 1H 20H Portugal FFH FFH FFH 0H B0H Holland FFH FFH FFH 1H F0H Spain FFH FFH FFH 0H E0H Israel FFH FFH FFH 0H BAH USA FFH FFH FFH FFH FFH Asia FFH FFH...

Page 167: ...H 1H New Zealand FFH FFH FFH FFH FFH Singapore FFH FFH FFH FFH FFH Malaysia FFH FFH FFH FFH FFH Country 807F0B 807F0C 807F0D 807F0E 807F0F France 50 2 0 0 FFH Germany 105 4 200 0 FFH UK FFH FFH 250 0 FFH Italy 30 50 200 0 FFH Austria 40 4 200 0 FFH Belgium 30 4 200 0 FFH Denmark 65 4 200 0 FFH Finland 205 4 200 0 FFH Ireland 105 4 200 0 FFH Norway 55 4 200 0 FFH Sweden 40 3 200 0 FFH Switzerland 4...

Page 168: ...H FFH FFH FFH FFH Singapore FFH FFH FFH FFH FFH Malaysia FFH FFH FFH FFH FFH Country 807F15 807F16 807F17 807F18 807F19 France 4H 00H 2H F0H 4H Germany 4H 00H FFH FFH FFH UK 4H 00H FFH FFH FFH Italy 4H 00H 0H B8H 4H Austria 4H 00H FFH FFH FFH Belgium 4H 00H 0H C8H 4H Denmark 4H 00H 0H D0H 4H Finland FFH FFH FFH FFH FFH Ireland 4H 00H FFH FFH FFH Norway 4H 00H FFH FFH FFH Sweden 4H 00H 0H A0H 4H Sw...

Page 169: ...FH FFH FFH FFH Singapore FFH FFH FFH FFH FFH Malaysia FFH FFH FFH FFH FFH Country 807F20 807F21 807F22 807F23 807F24 France 0 0 FFH FFH FFH Germany 200 0 FFH FFH FFH UK 200 0 FFH FFH FFH Italy 200 0 FFH FFH FFH Austria 200 0 FFH FFH FFH Belgium 200 0 FFH FFH FFH Denmark 200 0 FFH FFH FFH Finland 200 0 FFH FFH FFH Ireland 200 0 FFH FFH FFH Norway 200 0 FFH FFH FFH Sweden 200 0 FFH FFH FFH Switzerla...

Page 170: ...land FFH FFH FFH FFH FFH Singapore FFH FFH FFH FFH FFH Malaysia FFH FFH FFH FFH FFH Country 807F2B 807F2C 807F2D 807F2E 807F2F France 25 FFH FFH FFH FFH Germany 12 24 24 7 24 UK 19 20 17 11 26 Italy 15 FFH FFH FFH FFH Austria 10 15 15 20 20 Belgium 25 8 8 FFH FFH Denmark 12 8 23 FFH FFH Finland FFH FFH FFH FFH FFH Ireland 25 37 37 18 18 Norway 0 25 0 FFH FFH Sweden 12 12 37 FFH FFH Switzerland 30 ...

Page 171: ...FFH FFH FFH Singapore FFH FFH FFH FFH FFH Malaysia FFH FFH FFH FFH FFH Country 807F36 807F37 807F38 807F39 807F3A France 4H 06H 75 58H 2 Germany FFH FFH FFH FFH FFH UK FFH FFH FFH FFH FFH Italy FFH FFH FFH FFH FFH Austria FFH FFH FFH FFH FFH Belgium 04H 00H 42H E8H 3H Denmark FFH FFH FFH FFH FFH Finland FFH FFH FFH FFH FFH Ireland FFH FFH FFH FFH FFH Norway FFH FFH FFH FFH FFH Sweden FFH FFH FFH F...

Page 172: ...FH Singapore FFH FFH 00H 00H FFH Malaysia FFH FFH 00H 00H FFH Country 807F41 807F42 807F43 807F44 807F45 France FFH FFH FFH FFH FFH Germany FFH FFH FFH FFH FFH UK FFH FFH FFH FFH FFH Italy FFH FFH FFH FFH FFH Austria FFH FFH FFH FFH FFH Belgium FFH FFH FFH FFH FFH Denmark FFH FFH FFH FFH FFH Finland FFH FFH FFH FFH FFH Ireland FFH FFH FFH FFH FFH Norway FFH FFH FFH FFH FFH Sweden 4H 00H 40 00H 1H ...

Page 173: ... FFH FFH 00H 00H 255 New Zealand FFH FFH 00H 00H 245 Singapore FFH FFH 00H 00H 61 Malaysia FFH FFH 00H 00H 61 Country 807F4B 807F4C 807F4D 807F4E 807F4F France 65 35 50 40 0 Germany 61 41 44 46 46 UK 66 35 44 27 33 Italy 60 40 44 40 150 Austria 62 39 50 44 46 Belgium 67 33 50 43 26 Denmark 67 33 50 26 26 Finland 60 42 50 40 60 Ireland 67 33 50 30 33 Norway 59 41 50 33 33 Sweden 60 40 70 18 26 Swit...

Page 174: ...laysia 100 110 12 4 34 Country 807F59 807F5A 807F5B 807F5C 807F5D France 0 0 FFH 19H FFH Germany 15 90 FFH 00H FFH UK 15 90 F0H 10H 50 Italy 15 90 FFH 00H FFH Austria 15 100 FFH 00H FFH Belgium 100 90 FFH 00H FFH Denmark 15 90 F0H 9H FFH Finland 15 90 F9H 90H 100 Ireland 15 90 FFH 16H FFH Norway 25 90 F0H 95H FFH Sweden 15 90 F0H 09H FFH Switzerland 10 90 FFH 00H FFH Portugal 15 202 FFH 00H FFH Ho...

Page 175: ...H 10H FFH FFH 14 New Zealand C0H 10H FFH FFH 17 Singapore C0H 10H FFH FFH 17 Malaysia C0H 10H FFH FFH 17 Country 807F73 807F74 807F75 807F76 807F77 France 23 FFH 00H 2 15 Germany 43H FFH 00H 1H 7 UK 84 FFH 00H 1 10 Italy 77 FFH 00H 2 10 Austria 54 FFH 00H 1 9 Belgium 72 FFH 00H 2 5 Denmark 43H 16 24 2 10 Finland 56 FFH 00H 2 25 Ireland 53H FFH 00H 1 10 Norway 43H FFH 00H 1 10 Sweden 43H FFH 00H 1 ...

Page 176: ...10 90H 1H 25 00H Malaysia 10 90H 1H 25 00H Country 807FA1 807FA2 807FA3 807FA4 807FA5 France 02H 00H 04H 00H 30 Germany 02H 00H 04H 00H 10 UK 02H 00H 04H 00H 10 Italy 02H 00H 04H 00H 10 Austria 02H 00H 04H 00H 10 Belgium 02H 00H 04H 00H 10 Denmark 02H 00H 04H 00H 10 Finland 02H 00H 04H 00H 10 Ireland 02H 00H 04H 00H 10 Norway 02H 00H 04H 00H 10 Sweden 02H 00H 04H 00H 10 Switzerland 02H 00H 04H 00H...

Page 177: ... 04H 00H 10 Singapore 01H E0H 04H 00H 10 Malaysia 01H E0H 04H 00H 10 Country 807FAB 807FAC 807FAD 807FAE 807FAF France 19H 96H 22H FFH 0H Germany 19H 96H 22H FFH 0H UK 19H 96H 22H FFH 0H Italy 19H 96H 22H FFH 0H Austria 19H 96H 22H FFH 0H Belgium 19H 96H 22H FFH 0H Denmark 19H 96H 22H FFH 0H Finland 19H 96H 22H FFH 0H Ireland 19H 96H 22H FFH 0H Norway 19H 96H 22H FFH 0H Sweden 19H 96H 22H FFH 0H S...

Page 178: ...ralia 04H 00H 10 7 2 New Zealand 04H 00H 10 12 0 Singapore 04H 00H 10 6 0 Malaysia 04H 00H 10 6 0 Country 807FB6 807FB7 807FB8 807FB9 807FBD France 0 10 0 0 0FH Germany 00H 6 3 FEH 20H UK 00H 8 2 0 0FH Italy 00H 6 0 0 0FH Austria 00H 6 0 0 0FH Belgium 00H 6 0 0 0FH Denmark 00H 10 0 0 0FH Finland 00H 10 0 0 0FH Ireland 00H 10 0 0 0FH Norway 00H 9 2H 0 0FH Sweden 00H 10 0 0 0FH Switzerland 01H 5 1 F...

Page 179: ...9 Denmark 53 Finland 53 Ireland 53 Norway 53 Sweden 53 Switzerland 92 Portugal 53 Holland 53 Spain 80 Israel 59 USA 53 Asia 47 Hong Kong 53 South Africa 53 Australia 53 New Zealand 53 Singapore 53 Malaysia 53 May 22nd 1995 SERVICE TABLES AND PROCEDURES NCU PARAMETERS 4 71 ...

Page 180: ...nction 32 for a Speed Dial number Example Change the Parameters in Quick Dial 10 3 FU 3 1 Y 4 Press Quick Dial key 10 Note When selecting Speed Dial 10 with Function 32 press 1 0 at the ten key pad 5 Press Y four times 6 The settings for byte 0 are now displayed Press a number from 0 to 7 cor responding to the bit that you wish to change Example Change bit 7 to 1 Press 7 7 To scroll through the pa...

Page 181: ...0 to 4 must all be at 1 to disable 0 When enabling the tx level setting change this bit to 0 then change the settings of bits 0 through 3 above 1 When disabling the tx level setting change all of the bits 0 through 4 to 1 5 6 Cable equalizer Bit 6 Bit 5 Setting 0 0 None 0 1 Low 1 0 Medium 1 1 High Use a higher setting if there is signal loss at higher frequencies because of the length of wire betw...

Page 182: ...it 3 Bit 2 Setting 0 0 First DIS or NSF 0 1 Second DIS or NSF 1 0 First DIS or NSF 1 1 Setting disabled 0 1 Use this setting if echoes on the line are interfering with the set up protocol at the start of transmission The machine will then wait for the second DIS or NSF before sending DCS or NSS 4 Not used Do not change the settings 5 Compression modes available in transmit mode 0 MH only 1 All ava...

Page 183: ...low 80001B H Boot program checksum high 80001C H Main program checksum low 80001D H Main program checksum high 80001E H RDS program update counter Hex 800020 to 80003F H System bit switches 800040 to 80004F H Scanner bit switches 800050 to 80005F H Printer bit switches 800060 to 80007F H Communication bit switches 800080 to 80008F H G3 bit switches 8000A0 H User parameter switch 00 Bit 0 Stamp hom...

Page 184: ...4 Polling result report polling reception 0 Off 1 On Bit 5 Transmission result report immediate transmissions 0 Off 1 On Bit 6 Not used Bit 7 TCR Journal 0 Off 1 On 8000A4 H User parameter switch 04 Bit 0 Not used Bits 1 to 6 Not used Bit 7 Inclusion of a sample image on reports 0 Off 1 On 8000A5 H User parameter switch 05 Bit 0 Substitute reception 0 Off 1 On Bit 1 Memory reception if no RTI or C...

Page 185: ...ed 1 Enabled Bits 3 and 4 Printout image density Fax mode Bit 4 3 Setting 0 0 Normal 0 1 Lighten 1 0 Darken 1 1 Not used Bits 5 to 7 Not used 8000AD H User parameter switch 13 Bits 0 and 1 PSTN access method from behind a PABX Bit 1 0 Setting 0 0 PSTN 0 1 Loop start 1 0 Ground start 1 1 Flash start 8000AE 8000AF H User parameter switches 14 to 15 Not used 8000B1 H Maximum number of copies 1 99 BCD...

Page 186: ...11 to 80011F H Service station s fax number Service function 13 800120 to 80012E H Own fax number User function 61 80012F H ID code low Hex 800130 H ID code high Hex 800140 to 800146 H Last power off time Read only 800140 H Year BCD 800141 H Month BCD 800142 H Day BCD 800143 H 00 Monday 01 Tuesday 02 Wednesday 06 Sunday 800144 H Hour 800145 H Minute 800146 H Second 800150 H Installed equipment Rea...

Page 187: ...an counter BOOK 800179 to 80017B H ADF scan total jam counter DOC JAM 80017C to 80017E H Printer total jam counter COPY JAM 80017F to 800181 H Paper jam counter standard cassette UPPER CST JAM 800185 to 800187 H Paper jam counter optional 100 sheet cassette OPEN CST JAM 800188 to 80018A H Bypass jam counter BY PASS JAM 80018B to 80018D H Fusing exit jam counter EJECT JAM 80018E to 800190 H Registr...

Page 188: ...CD 800248 H 00 Monday 01 Tuesday 02 Wednesday 06 Sunday 800249 H Hour 80024A H Minute 80024B H Second 80024D H Daylight saving time setting User function 62 800250 H Transmission monitor volume 00 07 H 800251 H Reception monitor volume 00 07 H 800252 H On Hook monitor volume 00 07 H 800254 H Buzzer volume 00 07 H 800255 H Key acknowledgement tone volume 00 07 H 800256 to 80025A H Periodic service ...

Page 189: ... down to 80 C while in standby mode when fusing lamp OFF was selected for power saver mode 04 H The fusing lamp temperature did not go down to 80 C while in standby mode when fusing lamp Standby 80 C was selected for power saver mode 05 H The fusing lamp temperature stayed below 80 C while in standby mode when fusing lamp Standby 80 C was selected for power saver mode 07 H The fusing lamp temperat...

Page 190: ...or status optional 100 sheet cassette Bit 0 to 3 Paper size sensor Note Available paper sizes depend on the country for which the machine is designed Bit 0 Bit 1 Bit 2 Bit 3 1 0 0 0 HLT sideways 0 1 0 0 A5 sideways 1 1 0 0 B5 sideways 0 0 1 0 LT lengthwise 1 0 1 0 A4 lengthwise Bit 0 Bit 1 Bit 2 Bit 3 0 1 1 0 F F4 lengthwise 1 1 1 0 Legal lengthwise 0 0 0 1 B4 lengthwise 1 0 0 1 B5 lengthwise 1 1 ...

Page 191: ...e fusing lamp temperature exceeded 250 C 09 H A fusing thermistor error was detected 11 H Charge leak current was detected while the charge corona unit was activated 12 H Charge leak current was detected while the charge corona unit was not activated 21 H The laser synchronization signal was not detected during printing 31 H Polygonal mirror motor startup error 32 H Polygonal mirror motor error du...

Page 192: ... result 0 OK 1 NG Bit 1 Document jam 1 Occurred Bits 2 3 Not used Bit 4 Technical data printout instead of personal codes 0 No 1 Yes Bit 5 Type of technical data 0 Rx level 1 Measure of error rate Bit 6 Error report 0 Not printed 1 Printed Bit 7 Data validity 0 Not valid 1 Valid 2nd to 5th bytes Date and time when the communication started 2nd byte Month BCD 3rd byte Day BCD 4th byte Hour BCD 5th ...

Page 193: ...yte Remote terminal s ID RTI TSI or CSI ASCII 36th byte Communication mode 1 Bits 0 1 Resolution used Bit 0 Bit 1 1 0 Standard 0 1 Detail 1 1 Fine Bit 2 Not used Bit 3 ECM 0 Off 1 On Bits 4 to 7 Communication mode used Bit 4 Bit 5 Bit 6 Bit 7 0 0 0 0 Normal 1 0 0 0 Not used 0 1 0 0 Polling 1 1 0 0 Not used Bit 4 Bit 5 Bit 6 Bit 7 0 0 1 0 Not used 1 0 1 0 Automatic Service Call 37th byte Communicat...

Page 194: ... 45th to 47th byte 3rd error code and page number where the error occurred 48th to 50th byte 4th error code and page number where the error occurred 51tst to 53rd byte 5th error code and page number where the error occurred F80006 to F8000E H ROM version number BCD Read only F80006 to F8000E H ROM release date BCD Read only F80006 to F8000E H ROM part number and suffix ASCII Read only SERVICE TABL...

Page 195: ...te C user C user C user C Soft cloth and water ADF Roller Assy R R R C Soft cloth and water Separation Roller R R R C Soft cloth and water Printer Item 30K 60K 90K 1 year Notes Paper Feed Roller C Soft cloth and water Registration Roller C user C user C user C Soft cloth and water Fusing Thermistor R Hot Roller Strippers R Hot Roller R Pressure Roller Fusing R Cleaning Pad R user Replaced when a n...

Page 196: ...tch and disconnect the power cord for safety Lithium Battery The danger of explosion exists if a battery of this type is incorrectly replaced Replace only with the same or an equivalent type recommended by the manufacturer Discard used batteries in accordance with the manufacturer s instructions 5 1 EXTERIOR 5 1 1 ADF C B A H521R515 wmf First remove the ADF roller assembly A A ADF Roller Assembly ...

Page 197: ... 1 grounding wire F ADF Lower Rear Cover 2 screws 1 grounding wire G ADF Unit 2 connectors D H521R516 wmf Remove the connector cover then remove the harness and a ground wire D Connector Cover 1 screw REPLACEMENT AND ADJUSTMENT May 22nd 1995 EXTERIOR 5 2 ...

Page 198: ...inal Scales A B H521R501 wmf A Operation Panel Assembly 2 tapping screws B Copy Tray A C B H521R014 wmf A Platen Cover 3 tapping screws B Horizontal Scale 2 silver screws C Vertical Scale 1 silver screw 1 screw May 22nd 1995 REPLACEMENT AND ADJUSTMENT EXTERIOR 5 3 ...

Page 199: ...21R015 wmf A Top Cover 2 screws B Exposure Glass A B C D H521R504 wmf A NCU Cover 1 silver screw B Left Cover 2 black screws C Front Cover 2 black screws 2 positioning hooks D Rear Cover 2 black screws 3 positioning hooks REPLACEMENT AND ADJUSTMENT May 22nd 1995 EXTERIOR 5 4 ...

Page 200: ...sing the ADF after replacing the im age sensor Refer to section 6 1 1 for more details Note for the scanner guide shaft replacement If you replace the scanner guide shaft put Launa Oil 40 on all surfaces of the shaft P N 54429103 Launa Oil 40 B C A D H521R016 wmf Turn the gear A anti clockwise to move the image sensor B to the middle of scanning path Then disconnect harnesses C and D E H521R017 wm...

Page 201: ... A Fluorescent Lamp Stabilizer 2 tapping screws 3 connectors C B D A H521R019 wmf A Original Length Sensor 1 connector 6 hooks B Original Width Sensor 1 connector 6 hooks C Platen Cover Sensor 1 connector 3 hooks D Scanner Home Position Sensor 1 connector 3 hooks REPLACEMENT AND ADJUSTMENT May 22nd 1995 SCANNER 5 6 ...

Page 202: ...5 3 LASER PRINTING COMPONENTS 5 3 1 Inner Cover A H521R020 wmf A Scanner Motor 2 screws 1 connector 1 timing belt A H521R511 wmf A Inner Cover 3 hooks May 22nd 1995 REPLACEMENT AND ADJUSTMENT LASER PRINTING COMPONENTS 5 7 ...

Page 203: ...5 3 2 Laser Unit B C A E D H521R022 wmf First remove the clip A and harnesses B C and D then remove the Laser Unit E REPLACEMENT AND ADJUSTMENT May 22nd 1995 LASER PRINTING COMPONENTS 5 8 ...

Page 204: ...pen the laser unit or look along the laser beam path while the main power is on A B Warning Label See below C H521R620 wmf A Laser Unit Cover 7 hooks B Laser Diode Unit 2 tapping screws C Hexagonal Mirror Motor 3 tapping screws H521R647 wmf May 22nd 1995 REPLACEMENT AND ADJUSTMENT LASER PRINTING COMPONENTS 5 9 ...

Page 205: ...rum 5 4 2 Development Unit A H521R023 wmf A Master Drum C A B H521R621 wmf Release the clips B and C then remove the development unit A A Development Unit 2 clips 1 connector REPLACEMENT AND ADJUSTMENT May 22nd 1995 DEVELOPMENT 5 10 ...

Page 206: ... wmf First remove the zener diode A then remove the main motor assembly B Note Once the main motor assembly is removed the gears and the shafts will come off the unit easily A Zener Diode 1 screw B Main Motor Assembly 2 tapping screws 1 connector 1 spring May 22nd 1995 REPLACEMENT AND ADJUSTMENT DEVELOPMENT 5 11 ...

Page 207: ... or the parts labelled C to F in the above illustration To install a new development unit do the following 1 Install a new development roller into the new development unit as shown above 2 Install a new transfer roller a new zener diode a main motor and gears as described in the previous sections Continued on the next page E D C B A F H521R646 wmf The spare development unit does not come with the ...

Page 208: ...e voltage applied between the terminals C A D B H521R657 wmf A Bias terminal from the power pack B Toner application roller shaft C Toner metering blade D Bias brush Criteria A B Less than 1 kΩ A C Less than 1 kΩ A D Less than 1 kΩ B A H521R658 wmf A Bias terminal from the power pack B Development roller shaft Criteria A B Less than 1 kΩ A B H521R659 wmf A Bias terminal from the power pack B Trans...

Page 209: ... motor bracket Antistatic brush on the transfer roller unit Initial Toner Supply After installing a new development unit do the following 1 Set bit 3 of RAM address 8003C1 to 1 2 Turn of the machine and wait for 10 seconds 3 Turn on the machine 4 The machine will supply new toner to the development unit REPLACEMENT AND ADJUSTMENT May 22nd 1995 DEVELOPMENT 5 14 ...

Page 210: ...ver 6 hooks B Thermistor 1 tapping screw 1 connector A B D C H521R625 wmf First open the fusing exit cover D then remove the sensor assembly A bracket B and gear C A Feed out Sensor Exit Cover Switch 2 tapping screws 2 connectors B Bracket 1 screw C Gear May 22nd 1995 REPLACEMENT AND ADJUSTMENT FUSING 5 15 ...

Page 211: ...te Put back the bracket D after removing the ground wire A A Harness Cover A 1 tapping screw B Harness Cover B 1 tapping screw C Ground Wire 1 screw D Pull out the Fusing Unit Fulcrum 1 tapping screw E Diaconnect the Thermistor Harness A H521R035 wmf A Fusing Unit 3 screws 2 connectors REPLACEMENT AND ADJUSTMENT May 22nd 1995 FUSING 5 16 ...

Page 212: ...h the glass surface A B H521R037 wmf Remove the cleaning felt if it is still in the unit then remove the strippers A Cleaning Felt B Hot Roller Strippers 1 spring each A H521R629 wmf 115 V Models A Fusing Lamp 2 screws A H521R652 wmf 220 V Models A Fusing Lamp 2 screws May 22nd 1995 REPLACEMENT AND ADJUSTMENT FUSING 5 17 ...

Page 213: ...remove the tapping screws B and C The fusing upper and lower units come apart after the ground plate D has been released from the shaft ICAUTION Do not bend the ground plate too much A B D C H521R630 wmf REPLACEMENT AND ADJUSTMENT May 22nd 1995 FUSING 5 18 ...

Page 214: ...s A Bracket 3 screws 2 of which are tapping screws B Hot Roller C Fusing Lamp Connector 1 screw A B C H521R653 wmf 220 V Models A Bracket 3 screws 2 of which are tapping screws B Hot Roller C Fusing Lamp Connector 2 screws May 22nd 1995 REPLACEMENT AND ADJUSTMENT FUSING 5 19 ...

Page 215: ...acket 2 screws 1 of which is a stepped screw B Bracket 1 tapping screw C Pressure Roller A C D B H521R654 wmf A Thermostat 2 screws B Thermofuse 2 screws 220V models only C D Terminal Plates for the Thermofuse 220V models only REPLACEMENT AND ADJUSTMENT May 22nd 1995 FUSING 5 20 ...

Page 216: ...B H521R027 wmf A Paper Feed Clutch 1 clip 1 connector B Paper Feed Roller 1 clip and 1 bushing at each end B A H521R030 wmf First remove the bracket A then remove the sensor B A Bracket 1 screw B Paper End Sensor 3 hooks May 22nd 1995 REPLACEMENT AND ADJUSTMENT PAPER FEED 5 21 ...

Page 217: ... drum and development unit A Pressure Rollers with Bracket 3 screws 2 of which are tapping screws B Registration Sensor 2 hooks 1 connector A B H521R032 wmf First remove the registration pressure rollers A Paper Feed Motor 2 screws B Registration Roller 2 clips 1 spring 2 gears 2 bushings REPLACEMENT AND ADJUSTMENT May 22nd 1995 PAPER FEED 5 22 ...

Page 218: ...ette interface D should be put back as shown in the dia gram the triangle mark has to be at the left hand side of the connector A Bypass Feed Table B Bracket 2 screws C Bypass Feed Sensor 3 hooks A H521R028 wmf A Paper Size Sensor 2 hoooks May 22nd 1995 REPLACEMENT AND ADJUSTMENT PAPER FEED 5 23 ...

Page 219: ...5 7 PCBs 5 7 1 PSU 5 7 2 NCU A H521R047 wmf A PSU 3 screws 2 hooks 3 connectors A H521R044 wmf A NCU 4 screws 1 connector REPLACEMENT AND ADJUSTMENT May 22nd 1995 PCBs 5 24 ...

Page 220: ...CU Printer I F Optional Sensors Paper End Bypass Feed Registration Toner End Paper Feed Motor Main Motor Quenching Lamp Fan Motor Mech Counter Paper Feed CL Tx Motor Stamp Scanner Motor Not Used Not Used Polygonal Mirror Motor Not Used Paper Size Sensor Thermistor PSU 100 Sheet Cassette Optional Ozone Fan Speaker Power Pack Contact Image Sensor Not Used LDDR Fusing Unit Cover Interlock Switch 5V D...

Page 221: ...Ozone Filter and Fan Motor A H521R026 wmf A Power Pack 1 tapping screw 1 connector C A B H521R525 wmf Remove the bracket A then the ozone filter B and the fan motor C can be re moved REPLACEMENT AND ADJUSTMENT May 22nd 1995 OTHERS 5 26 ...

Page 222: ...5 8 2 Toner End Sensor 5 9 ADF 5 9 1 ADF Roller Asssembly and Covers A H521R024 wmf A Toner End Sensor 1 connector A H521R001 wmf A ADF Roller Assembly May 22nd 1995 REPLACEMENT AND ADJUSTMENT ADF 5 27 ...

Page 223: ... 2 Pick up Roller 5 9 3 Feed Roller A H521R002 wmf A Pick up Roller 2 clips 2 gears A H521R003 wmf A Feed Roller 1 clip 1 gear 2 springs 2 E rings 1 washer REPLACEMENT AND ADJUSTMENT May 22nd 1995 ADF 5 28 ...

Page 224: ...e Plate 2 tapping screws B Separation Roller 1 clip A B C E D H521R005 wmf A ADF Upper Front Cover 1 screw 1 hook B ADF Upper Rear Cover 1 screw 2 hooks C ADF Lower Rear Cover 2 screws D Connector Cover 1 screw E ADF Motor 2 screws May 22nd 1995 REPLACEMENT AND ADJUSTMENT ADF 5 29 ...

Page 225: ...R006 wmf A R0 Roller 1 E ring 1 gear 2 bushings B R1 Roller 1 E ring 1 gear 2 bushings A C B H521R007 wmf A ADF Release Lever B Timing Belt C Tensioning Roller Ass y 1 screw Continued on the next page REPLACEMENT AND ADJUSTMENT May 22nd 1995 ADF 5 30 ...

Page 226: ...Document Sensor and Width Sensor A B H521R008 wmf Remove the R2 roller A while lowering the guide plate B B A H521R009 wmf A Document Sensor B B4 Width Sensor May 22nd 1995 REPLACEMENT AND ADJUSTMENT ADF 5 31 ...

Page 227: ...5 9 9 Scan Line Sensor 5 9 10 Cover Sensors A H521R010 wmf A Scan Line Sensor 1 screw A H521R011 wmf A ADF Cover Switch Continued on the next page REPLACEMENT AND ADJUSTMENT May 22nd 1995 ADF 5 32 ...

Page 228: ... A B H521R012 wmf A Upper Rear Cover 1 screw 2 hooks B ADF Switch May 22nd 1995 REPLACEMENT AND ADJUSTMENT ADF 5 33 ...

Page 229: ... 10 1 Relay Connector and Gear Cover A B C H521R642 wmf Turn the cassette upside down A Harness Cover 2 screws B Interface Connector 2 clips C Gear Cover 1 screw REPLACEMENT AND ADJUSTMENT May 22nd 1995 100 SHEET PAPER CASSETTE OPTIONAL 5 34 ...

Page 230: ...the sensor C Paper Feed Clutch and Rollers First remove the gears D then remove the clutch E and roller F A Sensor Stay 1 hook B Sensor Cover 2 hooks C Paper End Sensor 3 hooks D Idle Gears 1 clip each E Paper Feed Clutch 1 clip F Feed Roller 1 clip 2 bushings May 22nd 1995 REPLACEMENT AND ADJUSTMENT 100 SHEET PAPER CASSETTE OPTIONAL 5 35 ...

Page 231: ...ze Sensor A B D C H521R644 wmf A Paper Guide B Bottom Plate 2 springs C Paper Size Indicator 1 clip 1 spring D Paper Size Sensor 2 hooks REPLACEMENT AND ADJUSTMENT May 22nd 1995 100 SHEET PAPER CASSETTE OPTIONAL 5 36 ...

Page 232: ...r W2 Print Scan width Not adjustable Not adjustable Not adjustable L1 Top margin Scanner Printer Scanner Printer L2 Print Scan length Not adjustable Not adjustable Not adjustable L3 Bottom margin Scanner Not adjustable Scanner Printer Bypass only ICAUTION The factory settings may not be the same as the Initial settings described in the following procedures The RAM reset level 0 will reset all the ...

Page 233: ...eter changes the number of tx motor steps after the black mark for fine positioning was detected To increase the margin by x mm New setting Current setting 15 4x To decrease the margin by x mm New setting Current setting 15 4x 8002A9 H low 8002AA H high 1 15 4 mm 41 H 65 D L2 Not adjustable Original length L1 L3 L3 To increase the margin by x mm New setting Current setting 15 4x To decrease the ma...

Page 234: ...g 7 7x Initial setting of L1 2 mm 8002A5 H low 8002A6 H high 1 7 7 mm 81 H 129 D L2 Not adjustable Original length L1 L3 L3 This parameter changes the number of tx motor steps after the scan line sensor is deactivated To increase the margin by x mm New setting Current setting 7 7x To decrease the margin by x mm New setting Current setting 7 7x Initial setting of L3 2 mm 8002A7 H low 8002A8 H high ...

Page 235: ...n by x mm New setting Current setting x 0 5 To decrease the margin by x mm New setting Current setting x 0 5 Initial setting of W1 2 mm Standard cassette 800357 H 100 sheet cassette 80035C H Bypass feed 80035D H 0 5 mm 05 H Min 0 Max 64 H W2 Not adjustable H521R648 wmf REPLACEMENT AND ADJUSTMENT May 22nd 1995 IMAGE ADJUSTMENT 5 40 ...

Page 236: ...00 sheet cassette 800352 H Bypass feeder 800353 H 0 66 mm 03 H 07 H 00 H Max 30 H 19 8 mm L2 Not adjustable L3 This is only adjustable in bypass feed mode To increase the margin by x mm New setting Current setting x 0 338 To decrease the margin by x mm New setting Current setting x 0 338 Example To increase the margin by 5 mm 5 0 338 14 8 15 D F H New setting 3B F 2C H 800363 H 0 338 mm 3B H H521R...

Page 237: ...09 Lighten 800405H 0D Fax Mode without Halftone Auto Image Density on Darken 800406H 06 00 0F Normal 800407H 0A Lighten 800408H 0E Fax Mode without Halftone Auto Image Density off Darken 800409H 0D 00 1F Note 1 Normal 80040AH 0F Lighten 80040BH 11 Fax Mode with Halftone Auto Image Density off Darken 80040CH 03 00 0F Normal 80040DH 07 Lighten 80040EH 0B Notes 1 The range of these parameters are dif...

Page 238: ...ection threshold during the normal image process 0 High 1 Low 0 Suitable for originals that have dark background e g newspaper 1 Suitable for most originals 4 Edge enhancement during the halftone process 0 Off 1 On 0 Suitable for photo originals default setting 1 Suitable for originals with photo and text The edges of text become much sharper but moire might appear in photo areas 5 MTF algorithm 0...

Page 239: ... 0 1 0 0 0 200 Enlargement 800417H 1 1 0 0 1 0 0 0 ADF MODE Full Size 800418H 0 1 0 0 0 0 0 0 115 155 Enlargement 800419H 0 1 0 0 0 0 0 0 200 Enlargement 80041AH 0 1 0 0 0 0 0 0 HALFTONE BOOK MODE Full Size 80041BH 1 0 0 0 0 1 0 1 115 155 Enlargement 80041CH 1 0 0 0 0 0 0 1 200 Enlargement 80041DH 1 0 0 0 0 0 0 1 ADF MODE Full Size 80041EH 1 0 0 0 0 0 0 1 115 155 Enlargement 80041FH 1 0 0 0 0 0 0 ...

Page 240: ...FF Book mode 800423H 1 1 0 0 0 0 0 0 ADF mode 800424H 0 0 0 0 0 0 0 0 HALFTONE Book mode 800425H 1 0 0 0 0 0 0 1 ADF mode 800426H 1 0 0 0 0 0 0 1 Notes 1 Bits in the shaded part of the table must not be changed 2 Bit 6 is for Standard and Detail resolutions and bit 5 is for Fine reso lution May 22nd 1995 REPLACEMENT AND ADJUSTMENT IMAGE ADJUSTMENT 5 45 ...

Page 241: ... First distinguish whether the problem is caused by the remote terminal or by your machine If the problem is caused by your machine distinguish whether it is due to a scanner problem or a printer problem Is the print image OK OK NG Is the image received by fax OK OK Is the print image OK OK NG NG Make a copy Print a test pattern Check the remote terminal Check the symptom again Check the scanner C...

Page 242: ...there is toner adhered to the drum surface If there is do the following If not go to step 3 Check if the transfer roller is installed correctly or not Check if the development unit is installed correctly or not Check if the resistance between the transfer bias terminal on the devel opment unit and the transfer roller shaft is less than 10 kOhm or not while pushing the roller shaft down to the roll...

Page 243: ...oner meter ing plate and the bias brush are less than 1 kOhm or not Check if the resistance between the toner application roller bias terminal on the development unit and the toner application roller shaft is less than 1 kOhm or not If all the resistances are OK check the connections behind the power pack and the power pack itself May 22nd 1995 TROUBLESHOOTING COPY QUALITY TROUBLESHOOTING 6 3 ...

Page 244: ... sensor against the exposure glass are correctly installed 4 Replace the contact image sensor Possible Cause Printer The charge is not properly applied Action 1 Check if all the charge bias terminals on the development unit and the CTM and the charge wire are properly connected or not If they are go to step 2 If not fix the connections 2 Check if the zener diode is not shorted If the zener diode i...

Page 245: ... applied The hot roller is dirty Action 1 Try replacing the drum 2 Check if the hot roller surface is dirty or not If it is clean the roller or replace the cleaning pad If not go to step 3 3 Check if all the charge bias terminals on the development unit and the CTM and the charge wire are properly connected or not If they are check or replace the power pack If not fix the connections h521t612 wmf ...

Page 246: ...the middle of print ing 2 Check if the toner is evenly distributed on the development roller If it is not check the toner metering blade and the toner supply mecha nism in the toner hopper If yes go to step 3 If the image is lighter in the center of the image toner may be low Re place the CTM and supply more toner 3 Check if the toner is evenly distributed on the drum If it is not check the drum s...

Page 247: ...t on the ADF exposure glass Dirty white plate in the ADF Action 1 Clean the exposure glass and the shading plate for both book and ADF 2 Replace the contact image sensor Possible Cause Printer Damaged cleaning blade Dirty hot roller stripper s Action 1 Replace the CTM 2 Clean the hot roller strippers h521t603 wmf h521t612 wmf May 22nd 1995 TROUBLESHOOTING COPY QUALITY TROUBLESHOOTING 6 7 ...

Page 248: ... Charge corona leak failure Action 1 Check that the surface of the drum is not damaged Change the drum if it is damaged 2 If the problem still remains do the following Clean the charge wire Change the CTM h521t610 wmf h521t611 wmf TROUBLESHOOTING May 22nd 1995 COPY QUALITY TROUBLESHOOTING 6 8 ...

Page 249: ...rinter The laser optic components are dirty The hot roller stripper scrapes off toner from the print paper Action Clean the laser optic components Check the hot roller stripper mechanism Clean the strippers and re place them if they are damaged h521t612 wmf h521t606 wmf May 22nd 1995 TROUBLESHOOTING COPY QUALITY TROUBLESHOOTING 6 9 ...

Page 250: ... drum surface or not If they do go to step 3 If not check the transfer roller surface and the transfer bias terminals connections If they are OK check or replace the power pack 3 Check if horizontal white lines where toner is not adhered appear on the development roller surface or not If they do check if the development roller surface is not deformed If it is OK check or replace the power pack If ...

Page 251: ...re glass Action Clean the exposure glass Try disabling MTF Possible Cause Printer The drum surface is damaged this is likely if the dots appear at 94 2 mm intervals Action Replace the drum h521t602 wmf May 22nd 1995 TROUBLESHOOTING COPY QUALITY TROUBLESHOOTING 6 11 ...

Page 252: ...maged this is likely if the dots ap pear at 62 8 mm intervals The toner application roller surface is damaged this is likely if the dots appear at about 16 75 mm intervals Action Replace the drum Clean the surface of the development roller and change the roller if it is damaged Change the development unit h521t601 wmf TROUBLESHOOTING May 22nd 1995 COPY QUALITY TROUBLESHOOTING 6 12 ...

Page 253: ... white plate for both book and ADF Clean the exposure glass Adjust the scan threshold settings Replace the image sensor Possible Causes Printer Poor drum sensitivity Dirty laser optic components Incorrect development transfer bias Defective quenching lamp Low toner Low fusing temperature h521t612 wmf h521t604 wmf May 22nd 1995 TROUBLESHOOTING COPY QUALITY TROUBLESHOOTING 6 13 ...

Page 254: ...or replace the fusing lamp thermistor and PSU If it does not go to step 4 4 Check if the toner on the drum looks faint or not If it does go to step 5 If it does not check the contacts between the transfer bias terminals and power pack 5 Check if the toner on the development roller looks faint or not If it does check all the contacts between the development and toner ap plication rollers bias termi...

Page 255: ...metering blade is deformed damaged or incorrectly posi tioned Action Clean the charge corona wire The wire cleaner is on the CTM Replace the CTM Check the toner metering blade and replace if it is damaged h521t605 h521t612 May 22nd 1995 TROUBLESHOOTING COPY QUALITY TROUBLESHOOTING 6 15 ...

Page 256: ...oner are being used If it is go to step 2 If not use recommended types of paper and toner 2 Try replacing the fusing lamp and the roller 6 1 14 Ghost Image Possible Cause Printer Poor drum sensitivity The cleaning blade is deformed or incorrectly positioned Dirty hot roller Action Clean the cleaning blade Replace the CTM Clean the hot roller surface and or replace the cleaning pad Replace the drum...

Page 257: ...1 Take the roller off the machine 2 Gently tap the roller shaft to remove the toner 3 Turn the roller against a clean sheet of paper to let the toner transfer onto the paper If not go to step 2 2 Check if the fusing pressure roller is dirty with toner or not If it is clean the fusing pressure roller If not check for any other dirty rollers and clean them May 22nd 1995 TROUBLESHOOTING COPY QUALITY ...

Page 258: ...nt margin setting main scan direction Action Adjust the main scan print margin Refer to Section 5 12 Check that the laser optics are aligned correctly 6 1 17 Misaligned Output Image shifted vertically Reduced Image Possible Cause Improper print margin sub scan direction Dirty registration roller Action Adjust the sub scan print margin Refer to Section 5 12 Clean the registration roller TROUBLESHOO...

Page 259: ...of document is being used 2 Check that the ADF roller assembly is properly installed Replace the as sembly if it is damaged 3 If the problem still remains do the following Clean the pick up and feed rollers with a soft cloth and water and re place them if they are damaged Check the spring mechanism of the pick up roller and replace it if it is damaged Check the connection between the FDU CN62 and ...

Page 260: ... ADF motor Action 1 Check that a correct type of document is being used and that the docu ment length is within the maximum setting 2 Check for obstructions in the paper path 3 If the problem still remains do the following Clean the rollers with a soft cloth and water and replace them if they are damaged Check that the scan line sensor is working correctly Replace the ADF motor TROUBLESHOOTING May...

Page 261: ...securely closed and check that the docu ment guide is properly set Also check that the ADF roller assembly is properly installed 3 Check for obstructions in the paper path 4 If the problem still remains do the following Clean the rollers with a soft cloth and water and replace them if they are dam aged 4 Multi feed Possible Cause An incorrect type or size of document is used The separation roller ...

Page 262: ...scanner drive wire is out of position The scanner drive wire is damaged or broken Malfunction in the scanner drive components Obstruction in the scanner drive path The red clip which secures the scanner has not been removed This clip should be removed at installation Action Check that the scanner drive components are in the correct position Check that the scanner drive wire is positioned correctly...

Page 263: ...ng properly and re place any defective sensor Check that settings of system switch 0D match the paper sizes being used 4 Scanning Start Position Error Error Code 1 09 Cause The shading plate is dirty The image sensor element is defective Action Clean the shading plate especially around the black mark for both book and ADF Replace the image sensor May 22nd 1995 TROUBLESHOOTING MECHANICAL PROBLEMS 6...

Page 264: ...t the paper cassette end fence is correctly set and check the pa per lift mechanism slide lock and the springs 3 Check that the feed clutch for the cassette that was used is working prop erly 4 Check that the paper feed roller s is properly installed Clean or replace if necessary 5 Check the registration roller and its mechanism Clean or replace if neces sary 6 Check that the registration sensor i...

Page 265: ...r guides are correctly set 2 Check for obstructions in the paper path 3 Check the registration roller and its mechanism Clean or replace if neces sary 4 Check that the registration sensor is working properly 5 If the problem still remains do the following Check the connections between the FDU CN15 and the main motor Replace the main motor Check the FDU output of power and drive signals to the main...

Page 266: ...mechanism Malfunction in the pressure mechanism in the fusing unit Action 1 Check if a correct type of paper is being used 2 Check for obstructions in the paper path 3 Check that the registration sensor is working correctly 4 Check all the gears in the fusing drive mechanism 5 Check that the paper feed out sensor is working correctly 6 Check the hot roller strippers and the pressure mechanism in t...

Page 267: ...rators in the paper cas sette are correctly set 3 Check that the paper feed rollers are correctly installed and clean or re place them if necessary 4 Check for obstructions in the paper path 5 Check the registration mechanism and clean or replace the rollers if nec essary 5 Multi feed Possible Cause A non recommended type of paper is being used Incorrect positioning of the paper guides and or end ...

Page 268: ...g printing 9 22 07 0 07 Fusing unit failure fusing lamp at an extremely high temperature 9 22 08 0 08 Fusing unit failure thermistor error 9 22 09 0 09 Hexagonal mirror motor startup error 9 23 31 3 31 Hexagonal mirror motor error while printing 9 23 32 3 32 Main motor startup error 9 24 41 4 41 Main motor error while printing 9 24 42 4 42 To find out which problem has occurred either See the Auto...

Page 269: ...blockage between the sensor s photoemitter and receiver Clean the sensor Go to step 5 5 Is there any blockage in the scanner mechanism Clean the scanner or remove the blockage Go to step 6 6 Push down the contact image sensor until it stops Is the vertical stroke more than 2 mm Check the scanner drive mechanism and fix it if any problem is found Take out the image sensor and adjust the position of...

Page 270: ... fall back to 100 C sub code 03 Power saver mode fusing lamp Power Saver Standby selected If the fusing lamp takes more than 20 minutes to fall back to 100 C sub code 04 Power saver mode fusing lamp Standby selected If the fusing lamp takes more than 5 minutes to fall back to 145 C sub code 04 Power saver mode fusing lamp Power Saver Standby selected If the fusing lamp stays below 80 C for more th...

Page 271: ... on sub code 31 If FDU CN14 4 goes back to high for 3 s or more during polygonal mirror motor opera tion sub code 32 Check Action if Yes Action if No 1 Check the connection between the FDU CN14 and the polygonal mirror motor 2 Check that 24VM from the FDU CN14 1 is sup plied to the polygonal mir ror motor Replace the polygonal mirror motor Replace the FDU If the problem still remains replace the F...

Page 272: ...eck the line connection Check the NCU FDU connectors Try changing the tx level and or cable equalizer settings Replace the FCE or NCU The other terminal may be faulty try sending to another machine If the rx signal is weak or defective there may be a bad line Cross reference Tx level NCU Parameter 01 PSTN RAM 807FB7 PABX Cable equalizer G3 Switch 07 PSTN G3 Switch 08 PABX Dedicated Tx parameters S...

Page 273: ...parameters Section 4 4 0 14 Non standard post message response code received Check the FDU NCU connectors Incompatible or defective remote terminal try sending to another machine Noisy line resend Try adjusting the tx level and or cable equalizer settings Replace the NCU or FCE Cross reference See error code 0 08 0 15 The other end does not have the confidential or transfer function The other term...

Page 274: ...ault 0 2 s Check the line connection Check the FDU NCU connectors Replace the NCU or FCE Defective remote terminal Check for line noise or other line problems Try adjusting the acceptable modem carrier drop time Cross reference Acceptable modem carrier drop time G3 Switch 0A bits 0 and 1 0 23 Too many errors during reception Check the line connection Check the FDU NCU connectors Replace the NCU FD...

Page 275: ...Clean the start position mark square black mark and the area surrounding it Replace the image sensor Cross reference Book scanner mechanical problem Section 6 2 2 1 10 Paper at the scan line when the power was turned on Remove the paper Check the scan line sensor Cross reference ADF mechanical problems Section 6 2 1 1 17 Document jam in the feed out area Clear any debris from the sensor actuator C...

Page 276: ...s Get the ID Codes the same and or the CSIs programmed correctly then resend The machine at the other end may be defective 5 00 Data reconstruction not possible Replace the FCE 5 10 DCR timer expired Replace the FCE 5 20 Storage impossible because of a lack of memory Temporary memory shortage Test the SAF memory Replace the FCE or optional IC card 5 21 Memory overflow 5 22 Mode table overflow afte...

Page 277: ...rminal may be defective 6 09 G3 ECM ERR received Check for a noisy line Adjust the tx levels of the communicating machines See code 6 05 6 10 G3 ECM error frames still received at the other end after all communication attempts at 2400 bps Check for line noise Adjust the tx level use NCU parameter 01 or the dedicated tx parameter for that address Check the line connection Defective remote terminal ...

Page 278: ... replace the FCE Cross reference Mirror motor failure Section 6 3 9 24 Main motor failure If the problem persists replace the FCE Cross reference Main motor failure Section 6 3 9 80 Bypass feed paper non feed or jam at the entrance Check the registration roller and sensor Cross reference Printer mechanical problems Section 6 2 2 9 81 Bypass feed paper length exceeds the maximum limit 600 mm Check ...

Page 279: ... is displayed soon after power on Error code 9 11 Platen cover sensor ON Open ADF does not work OFF Close The Automatic Paper Select function does not work correctly The original size is not reset even if an original of a different size is placed under the platen cover Book original size sensors The Automatic Paper Select does not work correctly Interlock switches ON There is no alarm on opening t...

Page 280: ...ven if paper is remaining OFF The Add Paper indicator on the lower cassette s operation panel does not light when the paper has run out Thermistor Open SC code 0 09 is displayed at power on Error code 9 22 Short SC code 0 08 is displayed at power on Error code 9 22 Thermostat Open SC code 0 xx is displayed at power on or at the start of printing depending on the fusing standby temperature setting ...

Page 281: ...zation Signal Horizontal Synchronization Signal Line Synchronization Signal 5 Not used Print Data 5 Not used Printer Interface Installed 5 PIF Reset 5 CN18 COM1 Speaker Output Monitor Speaker Ozone Fan Motor 24VM Fan Motor ON 24 1 2 3 4 OPU CN1 1 2 3 4 5 6 7 8 9 10 11 1 2 3 4 5 6 7 8 9 10 11 CN23 Reset 5 COM1 Document Sensor ON 5 Energy Saver LED ON 5 5VE Energy Saver Key 5 COM1 Serial Data Serial...

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