Page 1: Service Manual
RICOH FAX4700L SERVICE MANUAL December 21st, 1995 Subject to change...
Page 2 WARNING THIS MACHINE CONTAINS A LASER BEAM GENERATOR. LASER BEAMS CAN CAUSE PERMANENT EYE DAMAGE. DO NOT OPEN THE LASER UNIT OR LOOK ALONG THE LASER BEAM PATH WHILE THE MAIN POWER IS ON. Lithium Batteries (Memory Back-up) CAUTION The danger of explosion exists if a battery of this type is incorrectly replaced.
Page 3: Table Of Contents
Table of Contents 1. OVERALL MACHINE INFORMATION 1.1. SPECIFICATIONS ....1.2. FEATURES ..... 1.2.1.
Page 4 2.1.3. Video Processing * ....2-10 2.1.4. Shading Correction and A/D Conversion * ..2-11 2.1.5. Process without Halftone * .
Page 5 2.3.2. Automatic Service Calls ....2-57 1. Service Call Conditions ....2-57 2. Excessive Jam Alarms * ....2-58 3.
Page 6 4.1.13. Ringer Test (Function 08) ... . . 4.1.14. Operation Panel Test (Function 09) ..4-10 4.1.15. Xenon Lamp Test (Function 10) ... 4-10 4.1.16.
Page 7 5.2. ADF ......5.2.1. ADF Roller Assembly ....5.2.2.
Page 8 5.11. SBU ADJUSTMENT ....5-35 5.11.1. Replacement ....5-35 5.11.2.
Page 9: Service Call Conditions
6.3. SERVICE CALL CONDITIONS * ... . . 6-26 6.4. ERROR CODES * ....6-30 6.5.
Page 10: Overall Machine Information
December 21st, 1995 OVERALL MACHINE INFORMATION SPECIFICATIONS 1. OVERALL MACHINE INFORMATION Memory Capacity 1.1. SPECIFICATIONS ECM: 128 kbytes Type Desktop type transceiver SAF: Standard: 1 Mbytes: 73 pages Circuit With 2 Mbyte option: 219 pages PSTN, PABX, ISDN (optional) With 4 Mbyte option: 365 pages With 80 Mbyte HDD option: 1200 pages Connection With 80 Mbyte HDD plus Function Up-...
Page 11: Features
OVERALL MACHINE INFORMATION December 21st, 1995 FEATURES Paper Size and Capacity 1.2. FEATURES Standard Cassette: 250 sheets USA: Letter, Legal 1.2.1. Features List Europe: A4, A5 sideways Asia: A4, A5 sideways, F/F4 100 Sheet Cassette (Optional): 100 sheets KEY: USA: Letter, Legal O = Used, X = Not Used, Europe: A4, A5 sideways A = With optional memory 2M/4M only...
Page 12 December 21st, 1995 OVERALL MACHINE INFORMATION FEATURES Scanning Resolution - Superfine Communication Features - User Selectable Smoothing to 400 x 400 dpi when printing On Hook Dial Ordering Toner Page Count Communication Features - Auto Page separation mark Automatic fallback Parallel memory transmission Automatic redialing Personal Codes...
Page 13 OVERALL MACHINE INFORMATION December 21st, 1995 FEATURES Other User Features Inch-mm conversion before Energy Saver (Night Timer and transmission standby mode) mm-inch conversion when print- Print density control Printing a memory file Page retransmission times RDS on/off Protection against wrong conn. Reception Mode Switching Timer Resolutions available for recep- Reception time printing...
Page 14 December 21st, 1995 OVERALL MACHINE INFORMATION FEATURES Reports - User-initiated Service Mode Features Forwarding List A or B Scanner lamp test Group List Scanner mechanism test Hard Disk File List B, C Sensor initialization Personal Code List Serial number Program List Service monitor report Quick Dial List Service station number...
Page 15: Capabilities Of Programmable Items
OVERALL MACHINE INFORMATION December 21st, 1995 FEATURES 1.2.2. Capabilities of Programmable Items The following table shows how the capability of each programmable item changes after the optional function upgrade card is installed. With function Item Standard upgrade card Maximum number of memory files plus 1000 polling rx files Maximum number of memory files...
Page 16: Possible Combinations Of Optional Equipment
December 21st, 1995 OVERALL MACHINE INFORMATION FEATURES 1.2.3. Possible Combinations of Optional Equipment The following table shows which items of optional equipment can be or can- not be installed at the same time. " “ ” in the table indicates that the two items of optional equipment can be in- stalled at the same time.
Page 17: Component Layout
OVERALL MACHINE INFORMATION December 21st, 1995 COMPONENT LAYOUT 1.3. COMPONENT LAYOUT 1.3.1. Mechanical Components H515V001.wmf Name Description Laser Unit This consists of the LDDR (Laser Diode Driver), focusing lens, Fθ Lenses, hexagonal mirror motor, and other laser optic components. This scans the original. R2 Roller Feeds the document through the scanner.
Page 18 December 21st, 1995 OVERALL MACHINE INFORMATION COMPONENT LAYOUT Name Description Development Unit This consists of the development roller, toner application roller, toner supply bar, and transfer roller. Paper Feed Rollers These pick up the top sheet of paper from the stack in the cassette and feed it into the printer.
Page 19: Electrical Components
OVERALL MACHINE INFORMATION December 21st, 1995 COMPONENT LAYOUT 1.3.2. Electrical Components H515V003.wmf H515V004.wmf 1-10...
Page 20: Pcbs
December 21st, 1995 OVERALL MACHINE INFORMATION COMPONENT LAYOUT 1. PCBs Name Description MFDU (M-zone Facsimile This board contains drivers for the motors, a dc-dc Driver Unit) converter, the energy saving mode cpu, and other drive electronics. MFCE (M-zone Facsimile This board controls the machine. It contains the main Control Engine) cpu, flash ROM, system RAM, and so on.
Page 21: Sensors
OVERALL MACHINE INFORMATION December 21st, 1995 COMPONENT LAYOUT 3. Sensors Name Description Document Sensor This detects the presence of a document in the feeder. B4-width Sensor This detects the presence of a B4 width document (256mm, 10.1"). A3-width Sensor This detects the presence of an A3 width document (297mm, 11.7").
Page 22: Optional Equipment
December 21st, 1995 OVERALL MACHINE INFORMATION COMPONENT LAYOUT 6. Optional Equipment H515V510.wmf Name Description Counter This counts the number of prints. Printer Interface This allows the machine to be connected to a computer as a laser printer. The following components belong to this unit.
Page 23: Overall Machine Control
OVERALL MACHINE INFORMATION December 21st, 1995 OVERALL MACHINE CONTROL 1.4. OVERALL MACHINE CONTROL Fax On Function Feature Feature Demand Upgrade Expander Expander Interface 80MB HDD Card Card Bus Interface Parallel Interface Serial Interface RS232C CiG4-SV Interface G4 Interface IC Card IC Card (Type A) (Type B)
Page 24 December 21st, 1995 OVERALL MACHINE INFORMATION OVERALL MACHINE CONTROL The MFCE (M-zone Facsimile Control Engine) contains most of the logical components for overall system control, and direct interfaces to the IC cards, an RS232C interface*, and a G4 interface (CiG4-SV). The MFDU (M-zone Facsimile Drive Unit) has interfaces to the power supply, sensors, drive com- ponents, and optional equipment.
Page 25: Video Data Path
OVERALL MACHINE INFORMATION December 21st, 1995 VIDEO DATA PATH 1.5. VIDEO DATA PATH 1.5.1. Transmission (PSTN) Buffer Scanner VPP4F CiG4 Memory Memory CiG4-SV MFCE CODEC DCMMR Line Buffer Printer FIFO Modem Interface Printer Page PSTN (LDDR) Memory Memory H515V502.wmf Immediate Transmission: Scanned data passes to the VPP4F, where the data undergoes analog/digital video processing, and is sent to the DCR block in the SCP through the DCMMR for compression.
Page 26: Reception (Pstn)
December 21st, 1995 OVERALL MACHINE INFORMATION VIDEO DATA PATH 1.5.2. Reception (PSTN) Buffer Scanner VPP4F CiG4 Memory Memory CiG4-SV MFCE CODEC DCMMR Line Buffer Printer FIFO Modem Interface From Printer Page PSTN (LDDR) Memory Memory H515V503.wmf Data from the line passes to the modem through the NCU. After the modem demodulates the data, the DCR block in the SCP decompresses the data from either the FIFO or the ECM memory.
Page 27: Transmission (Isdn)
OVERALL MACHINE INFORMATION December 21st, 1995 VIDEO DATA PATH 1.5.3. Transmission (ISDN) ISDN Buffer Scanner VPP4F CiG4 Memory Memory CiG4-SV MFCE CODEC DCMMR Line Buffer Printer FIFO Modem Interface Printer Page (LDDR) Memory Memory H515V504.wmf G4 Immediate Transmission: Scanned data passes to the VPP4F, where the data undergoes analog/digital video processing, and is sent to the DCR block in the SCP through the DCMMR for compression.
Page 28: Reception (Isdn)
December 21st, 1995 OVERALL MACHINE INFORMATION VIDEO DATA PATH 1.5.4. Reception (ISDN) From ISDN Buffer Scanner VPP4F CiG4 Memory Memory CiG4-SV MFCE CODEC DCMMR Line Buffer Printer FIFO Modem Interface Printer Page (LDDR) Memory Memory H515V505.wmf G4 Reception: Data from the ISDN line passes to the SAF memory first. Then the data is decompressed at the DCR block in the SCP, and sent to the page memory.
Page 29: Copying
OVERALL MACHINE INFORMATION December 21st, 1995 VIDEO DATA PATH 1.5.5. Copying Buffer Scanner VPP4F CiG4 Memory Memory CiG4-SV MFCE CODEC DCMMR Line Buffer Printer FIFO Modem Interface Printer Page (LDDR) Memory Memory H515V506.wmf Single copy The scanned data passes to the page memory after video processing in the VPP4F.
Page 30: Printing From The Optional Printer Interface
December 21st, 1995 OVERALL MACHINE INFORMATION VIDEO DATA PATH 1.5.6. Printing from the Optional Printer Interface Buffer Scanner VPP4F CiG4 Memory Memory CiG4-SV MFCE CODEC DCMMR Line Buffer Printer FIFO Modem Interface Printer Page (LDDR) Memory Memory H515V507.wmf After a page of data has been stored in the printer interface’s page memory, the data is sent to the LDDR through the LCP.
Page 31: Power Distribution
OVERALL MACHINE INFORMATION December 21st, 1995 POWER DISTRIBUTION 1.6. POWER DISTRIBUTION 1.6.1. Distribution Diagram FOD/ RS232C MFCE Function Upgrade +12VP Card (CPU) +24V Memory Card/ 100 Sheet CiG4 +5VD HDD Interface Cassette +12VP +24V +24VM +12VP +5VD (HDD I/F only) +5VBAT Interlock Switches...
Page 32 December 21st, 1995 OVERALL MACHINE INFORMATION POWER DISTRIBUTION The PSU supplies +24V dc power to the FDU, and supplies ac power to the fusing lamp directly. The FDU converts the +24V dc power supply to the following supplies. Power Supply Description +24V This is normally on when the main switch is on.
Page 33: Memory Back-Up Circuit
OVERALL MACHINE INFORMATION December 21st, 1995 POWER DISTRIBUTION 1.6.2. Memory Back-up Circuit MFDU MFCE +5VD DRAM (SAF) CN1-16 IC Memory Card 1VDET 1SAFFLG CN1-13 5RTCCS +5VE +5VBAT SRAM CN1-17 +5VE Voltage Detector Q7/Q25 DC/DC 1VDET 1SAFFLG BAT1 BAT1 H515V509.wmf 1. SRAM/Real Time Clock (RTC) Backup +5VBAT supplies the SRAM, which contains system parameters and pro- grammed telephone numbers, and the real time clock (RTC) inside the SCP.
Page 34: Dram Backup
December 21st, 1995 OVERALL MACHINE INFORMATION POWER DISTRIBUTION 2. DRAM Backup While the machine is switched on, the +5VD supply, which comes from the +5V signal, supplies the DRAM. In energy saver mode level 2, the energy saver cpu will disable the +5V sup- ply if there is no data in the DRAM.
Page 35: Detailed Section Descriptions
December 21st, 1995 DETAILED SECTION DESCRIPTIONS SCANNER 2. DETAILED SECTION DESCRIPTIONS 2.1. SCANNER 2.1.1. Mechanisms 1. Document Detection H515D002.wmf H516D500.wmf The machine detects when a document is placed in the ADF and the docu- ment’s width by monitoring the document sensor [A], the B4 width sensor [B], and the A3 width sensor [C].
Page 36: Pick-Up And Separation
DETAILED SECTION DESCRIPTIONS December 21st, 1995 SCANNER 2. Pick-up and Separation H515D003.wmf Plate [A] aligns the leading edges of the pages of the document. When the tx motor starts, the mechanical clutch mechanism in the ADF roller unit lifts up the pick-up roller [B] to feed the bottom sheet of the document.
Page 37: Drive Mechanism
December 21st, 1995 DETAILED SECTION DESCRIPTIONS SCANNER 3. Drive Mechanism H515D004.wmf The tx motor [A] drives the pick-up roller [B], feed roller [C], R1 roller [D], and R2 roller [E] through the timing belt [F]. The scanning speed for each resolution mode is as follows. Resolution Scan speed (/A4) Standard - Storage to SAF (Memory Tx or Multi-copy mode)
Page 38 DETAILED SECTION DESCRIPTIONS December 21st, 1995 SCANNER Error Conditions The machine detects a document jam if one of the following conditions oc- curs. Jam Condition Description Error Code The scan line sensor did not turn on within 3 s of Non-feed the start of pre-feeding.
Page 39: Stamping
December 21st, 1995 DETAILED SECTION DESCRIPTIONS SCANNER 4. Stamping MFCE MFDU (CPU) +24VD CN10-6 EXIO-1 CN10-5 Serial Interface Bus Interface H515D501.wmf The original always stops at the stamping position after the page was trans- mitted (immediate transmission) or scanned into memory (memory transmission) successfully.
Page 40: Image Scanning
DETAILED SECTION DESCRIPTIONS December 21st, 1995 SCANNER 2.1.2. Image Scanning * H515D006.wmf The scanner consists of a xenon lamp [A], exposure glass [B], mirrors ([C], [D] and [E]), lens [F], and SBU [G]. The light reflected from the document is focused onto the CCD (Charge Cou- pled Device) on the SBU [G] through mirrors ([C], [D] and [E]) and lens [F].
Page 41: Partial Image Scanning
December 21st, 1995 DETAILED SECTION DESCRIPTIONS SCANNER 2. Partial Image Scanning * Top Margin (2 mm) Scan Skip Area Scanning Area Bottom Margin (2 mm) H515D504.wmf When partial image scanning is enabled, the machine only scans L2 after the machine skips L1. •...
Page 42: Scanning Double-Sided Documents
DETAILED SECTION DESCRIPTIONS December 21st, 1995 SCANNER 3. Scanning Double-sided Documents * When this feature is enabled, the machine scans all odd-numbered pages first, then scans even-numbered pages. (The user has 60 s to prepare the even-numbered pages after the odd-numbered pages have been scanned.) After all pages have been scanned, the machine sorts the scanned pages into the correct sequence inside the SAF memory.
Page 43 December 21st, 1995 DETAILED SECTION DESCRIPTIONS SCANNER Condition Machine’s Action Error Code Memory overflows during Asks the user whether the scanning. machine can send the scanned 5-21 pages, or erase them. 60 s has passed after scanning all Erases all the scanned pages and the odd-numbered pages.
Page 44: Video Processing
DETAILED SECTION DESCRIPTIONS December 21st, 1995 SCANNER 2.1.3. Video Processing * MFDU MFCE +12.4V CN71-2 VPP4F VIDEO Analog Amp. CN71-7 CN1-36 Process PH1B CN71-3 CN1-35 Conversion Driver CN71-4 CN1-38 CN71-5 CN1-37 Video Digital Process SRAM h515d502.wmf A/D Conversion/ Shading Correction Halftone ? Background Detection...
Page 45: Shading Correction And A/D Conversion
December 21st, 1995 DETAILED SECTION DESCRIPTIONS SCANNER 2.1.4. Shading Correction and A/D Conversion * Before scanning a page, the machine scans the shading plate and keeps the peak voltage for each pixel f the CCD. The VPP4F first converts the analog data into 8-bit digital data.
Page 46: Or Processing
DETAILED SECTION DESCRIPTIONS December 21st, 1995 SCANNER 5. OR processing • When the user selects Standard or Detail resolution, the VPP4F will do OR processing to convert the scanned resolution into the resolution re- quired for transmission. 2.1.6. Process with Halftone * 1.
Page 47: Inch-Mm Conversion
December 21st, 1995 DETAILED SECTION DESCRIPTIONS SCANNER 2.1.8. Inch-mm Conversion Because the machine’s scanner is designed in inch units, the machine can convert the scanned data into mm-format, if the other terminal does not have an inch-based printer. The following tables show the actual transmitted data resolution units in vari- ous cases.
Page 48: Printing
DETAILED SECTION DESCRIPTIONS December 21st, 1995 PRINTING 2.2. PRINTING 2.2.1. Printing Process - Overview H515D550.wmf This machine uses a "write to black" system, using negative toner. • The charge corona wire gives the drum surface a negative charge of about -750 V. •...
Page 49: Opc Drum
December 21st, 1995 DETAILED SECTION DESCRIPTIONS PRINTING 2.2.2. OPC Drum H515D604.wmf An organic photoconductor drum [A] is used in this machine. The diameter of the drum is 30 mm. It is driven by the main motor [B] through a gear train. The toner application roller [C], development roller [D], and transfer roller [E] are also driven by the same gear train.
Page 50 DETAILED SECTION DESCRIPTIONS December 21st, 1995 PRINTING * Charger Leak Detection: The machine detects a charger leak error when MFDU CN21-8 stays low for 3 seconds or more (6 seconds or more at power on) either while in standby mode or while the corona wire is being charged. When this occurs, the ma- chine warns the customer by lighting the Call Service indicator (error code 9-17).
Page 51: Laser Exposure
December 21st, 1995 DETAILED SECTION DESCRIPTIONS PRINTING 2.2.4. Laser Exposure 1. Overview * H515D606.wmf The components of the laser section are the same as those described in the Group 3 Facsimile manual. The drum [A] is in the same plane as the laser unit, so there is no mirror to change the optical path.
Page 52: Block Diagram
DETAILED SECTION DESCRIPTIONS December 21st, 1995 PRINTING 2. Block Diagram MFDU LDDR (CPU) LD Enable 26-6 1-39 Laser DATA Diode 26-4 1-40 Controller Control 26-2 1-41 MFCE Mirror Motor Lock EXIO-2 Laser 15-4 (IC4) Hexagonal Diode Mirror Mirror Motor Enable Motor EXIO-1 15-3...
Page 53: Print Density Adjustment
December 21st, 1995 DETAILED SECTION DESCRIPTIONS PRINTING 4. Print Density Adjustment The FCIP controls print image density by changing the laser pulse width to adjust the width of the dots across the page. The beam strength is not ad- justed in this model. The following table shows the relationship between the pulse width and the image density.
Page 54: Toner Supply
DETAILED SECTION DESCRIPTIONS December 21st, 1995 PRINTING 2.2.5. Toner Supply H515D617.wmf This machine uses monocomponent toner, which is composed of resin and ferrite. The toner mixing bar [A] stirs and carries toner to the toner supply roller [B]. The toner supply roller supplies toner to the development unit. The main motor [C] drives the toner supply mechanism through a gear train.
Page 55 December 21st, 1995 DETAILED SECTION DESCRIPTIONS PRINTING Initial Toner Supply Mode * When the first CTM is installed in a new machine, the machine automatically supplies toner to the development unit for 90 seconds. This will also be done automatically after a RAM reset level 1 or 2 is performed. Initial toner supply mode must be executed by a technician when the develop- ment unit is replaced.
Page 56 DETAILED SECTION DESCRIPTIONS December 21st, 1995 PRINTING MFCE MFDU Toner Tank (CPU) Toner End Sensor EXIO-2 7-10 (IC4) Serial Interface Bus Interface H515D512.wmf Toner near-end condition: When the cpu detects a low output from the toner end sensor for more than 30 s, the cpu starts to blink the Add Toner indi- cator.
Page 57: Development
December 21st, 1995 DETAILED SECTION DESCRIPTIONS PRINTING 2.2.6. Development H515D616.wmf Overview There are two rollers in the development unit: the Toner Application Roller [B] and the Development Roller [D]. The toner supply bar [A] stirs and carries toner to the toner application roller [B].
Page 58 DETAILED SECTION DESCRIPTIONS December 21st, 1995 PRINTING Development Bias H515D618.wmf H515D619.wmf The power pack [A] applies one voltage to the toner application roller [B], toner metering blade [C], and bias brush [D], and a different voltage to the de- velopment roller [E]. Bias Control (During Printing) A charge of -700 ±...
Page 59 December 21st, 1995 DETAILED SECTION DESCRIPTIONS PRINTING Bias Control (After Each Page) After each page, the machine re- moves toner from the development Drum roller and returns it to the develop- - 750 V ment unit. To do this, -400V is applied to the development roller, - 400V but no bias is applied to the toner...
Page 60 DETAILED SECTION DESCRIPTIONS December 21st, 1995 PRINTING Bias Control (Other) At the start and the end of any print process (including the cleaning and initial toner supply modes), -50 ± 50 V is applied to the toner application roller, and +250 ±...
Page 61 December 21st, 1995 DETAILED SECTION DESCRIPTIONS PRINTING Bias Control Circuit Serial Interface Bus Interface MFCE MFDU Toner Application Roller (CPU) Bias 0 21-6 Development Bias 1 Roller 21-7 Power Driver EXIO-1 Pack (IC3) Transfer 0 Transfer 21-4 Roller Transfer 1 21-5 H515D513.wmf The cpu controls the voltages to the toner application and development roll-...
Page 62: Paper Feed
DETAILED SECTION DESCRIPTIONS December 21st, 1995 PRINTING 2.2.7. Paper Feed 1. Overview * H515D514.wmf The standard cassette [A] holds 250 sheets and the bypass feed slot [B] feeds 1 sheet at a time. An optional 100 sheet cassette [C] and two types of optional paper feed unit are available.
Page 63: Paper Lift Mechanism
December 21st, 1995 DETAILED SECTION DESCRIPTIONS PRINTING 2. Paper Lift Mechanism Standard and Optional 100 Sheet Cassette H515D609.wmf H515D608.wmf When the cassette is closed after paper is loaded, the slide lock [A] is pushed 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].
Page 64: Paper Size And Paper End Detection
DETAILED SECTION DESCRIPTIONS December 21st, 1995 PRINTING 3. Paper Size and Paper End Detection Standard Cassette/Optional Universal Cassette * The paper size detector [A] is located at the front of the cassette. The ma- chine determines which size cassette is installed by monitoring the three mi- croswitches in the detector.
Page 65 December 21st, 1995 DETAILED SECTION DESCRIPTIONS PRINTING Bypass Feed Slot This machine does not detect paper width when the bypass feed slot is used. The maximum feed length for bypass feed is 600 mm. The mimimum feedable paper width is 191 mm. Optional 100 Sheet Cassette The paper size detector [A] is located at the left hand side of the 100 sheet...
Page 66: Pick-Up And Separation
DETAILED SECTION DESCRIPTIONS December 21st, 1995 PRINTING 4. Pick-up and Separation Standard and Optional 100 Sheet Cassettes The pick-up and separation mechanism is a corner separator type. The cor- ner separators and the paper feed rollers allow only one sheet to feed. Cross reference Group 3 Facsimile Manual: section 4-5-4 The paper feed motor starts to rotate when the printer is ready for printing.
Page 67 December 21st, 1995 DETAILED SECTION DESCRIPTIONS PRINTING Bypass Feed Slot H515D613.wmf When a sheet of paper is placed in the bypass feed slot, the bypass feed sen- sor [A] is turned on. The machine turns the paper feed motor counter- clockwise to prefeed the paper until the registration sensor is turned on, or for 1 second, whichever is first.
Page 68 DETAILED SECTION DESCRIPTIONS December 21st, 1995 PRINTING Optional 100 Sheet Cassette H515D614.wmf When the machine feeds a sheet of paper from the 100 sheet cassette, the paper feed motor [A] turns counter-clockwise to drive the paper feed rollers [B] and the registration roller [C] as shown in the diagram. The paper feed clutch [D] in the optional 100 sheet cassette ensures that the paper feed roller rotates only once for each sheet of paper.
Page 69: Registration
December 21st, 1995 DETAILED SECTION DESCRIPTIONS PRINTING 2.2.8. Registration * H515D615.wmf The registration sensor [A] is positioned above the registration roller [B]. When a cassette (Standard, Paper Feed Unit, or 100 Sheet Cassette) is used, the machine stops the paper feed motor for a few moments when the registration sensor is turned on.
Page 70: Jam Detection
DETAILED SECTION DESCRIPTIONS December 21st, 1995 PRINTING Jam Detection * Condition Error Code When the When the registration sensor is not turned on within standard 2.0 seconds of the paper jam timing signal. 9-07 cassette is used When any of the When the paper feed-out sensor is not turned on paper feed within 2.6 seconds after the paper feed motor starts to...
Page 71: Transfer And Separation
December 21st, 1995 DETAILED SECTION DESCRIPTIONS PRINTING 2.2.9. Transfer and Separation H515D620.wmf Instead of using a transfer corona wire, this machine uses a transfer roller, which touches the drum surface. A constant current of +4 ± 0.2 µA is applied to the transfer roller [A] from the power pack [B].
Page 72 DETAILED SECTION DESCRIPTIONS December 21st, 1995 PRINTING Cleaning Mode If the paper size is smaller than the printed image, or if a paper jam occurs during printing, toner may be transferred to the the roller surface. To prevent this toner from transferring to the back side of copies, the transfer roller has to be cleaned before the next printing run.
Page 73 December 21st, 1995 DETAILED SECTION DESCRIPTIONS PRINTING Timing Chart: Cleaning Mode H515D663.wmf Before cleaning starts, the main motor, charge corona, and quenching lamp turn on. T1. Cleaning bias is applied to the transfer roller. T2. A positive constant current of + 4 ± 0.2 µA is applied to transfer back to the drum any toner which is positively charged by the transfer roller.
Page 74: Cleaning
DETAILED SECTION DESCRIPTIONS December 21st, 1995 PRINTING 2.2.10. Cleaning H515D621.wmf The cleaning unit and the used toner tank are contained in the CTM. The cleaning blade [A] removes any toner remaining on the drum after the im- age is transferred to the paper. A magnetic roller [B] then brings the toner into the used toner tank [D].
Page 75: Fusing
December 21st, 1995 DETAILED SECTION DESCRIPTIONS PRINTING 2.2.11. Fusing Fusing Lamp Control When the main switch is turned on, the machine turns on the fusing lamp and raises the fusing temperature to 80 °C in about 4 s. For printing, the ma- chine raises the fusing temperature to 190 °C.
Page 76 DETAILED SECTION DESCRIPTIONS December 21st, 1995 PRINTING Fusing Control * MFCE Serial Interface Bus Interface (CPU) VPP4F (A/D Converter) EXIO-1 CN12-1 Fusing Lamp (IC3) Control CN12-2 EXIO-2 (IC4) MFDU Thermostat Comparator Thermofuse Fusing Lamp Thermistor Initial Detection On/Off H515D516.wmf The Thermofuse is not installed in the 115V models. During normal operation, the cpu controls the fusing lamp based on input from the thermistor using the above circuit.
Page 77 December 21st, 1995 DETAILED SECTION DESCRIPTIONS PRINTING Fusing Unit Drive * H515D622.wmf The main motor [A] drives the fusing unit through a gear train. The paper feed-out sensor [B] detects when the paper is fed out of the unit. Jam Detection - Paper Feed Out The machine 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).
Page 78 DETAILED SECTION DESCRIPTIONS December 21st, 1995 PRINTING Fusing Unit Service Call Conditions Error Code Conditions (9-22) At power on If there is any problem with the thermistor. Sub-code 09 (This detection is also done when the machine comes back to the normal mode from Energy Saver Mode Level Standby mode If the fusing temperature stays below the standby Sub-code 05...
Page 79: Page Separation And Data Reduction
December 21st, 1995 DETAILED SECTION DESCRIPTIONS PRINTING 2.2.12. Page Separation and Data Reduction Incoming pages that are only slightly longer than the copy paper may be re- duced in the sub-scan direction. Whether or not this happens depends on the settings of printer switches 04 and 05.
Page 80 DETAILED SECTION DESCRIPTIONS December 21st, 1995 PRINTING Europe/Asia Model * Lines/mm mode Printable Maximum reducible incoming page length. Paper Type Page Length Ratio = 4/3 Ratio = 8/7 Ratio= 12/11 A5 Sideways 147.8 mm 190.1 mm 162.9 mm 155.3 mm 296.9 mm 388.8 mm 333.2 mm...
Page 81: Resolution Unit Selection For Printing
December 21st, 1995 DETAILED SECTION DESCRIPTIONS PRINTING 2.2.13. Resolution Unit Selection for Printing * The machine can use both inch and mm resolution units for printing. So, if the resolution unit detection is enabled, the machine choose a right resolution unit for printing as requested from the remote terminal in the protocol mes- sage as shown in the follwing table.
Page 82: System Features
DETAILED SECTION DESCRIPTIONS December 21st, 1995 SYSTEM FEATURES 2.3. SYSTEM FEATURES 2.3.1. Energy Saver Modes * +5VE DC/DC Converter Q2, Q3 and Q14 (+24/+5V) +24VD WAKEUP MFCE +5VE +24VM RESET Energy Saver EXIO--2 COMMAND Q6 and Q13 (IC4) (IC1) +24VMON STATUS (Main CPU) Motors,...
Page 83: Going Into A Energy Saver Mode
December 21st, 1995 DETAILED SECTION DESCRIPTIONS SYSTEM FEATURES 1. Going into a Energy Saver Mode The flow chart on the next page explains how the machine goes into a en- ergy saver mode, depending on parameter settings and other machine conditions.
Page 84 DETAILED SECTION DESCRIPTIONS December 21st, 1995 SYSTEM FEATURES Standby Mode System SW 0B Unlimited Bit 2,3 T=1, 3, or 5 minutes Other Key pressed Original detected Timer=T Handset off-hook Condition #1 If key was pressed in the above condition. Energy Saver Energy Saver Machine is in operation.
Page 85: Going Into Level 2 Mode From Level 1 Mode
December 21st, 1995 DETAILED SECTION DESCRIPTIONS SYSTEM FEATURES 2. Going into Level 2 Mode from Level 1 Mode * The flow chart on the next page shows in more detail how the machine goes from Energy Saver Mode Level 1 to Level 2. The machine will not go into Level 2 energy saver mode if one of the follow- ing conditions exists.
Page 86 DETAILED SECTION DESCRIPTIONS December 21st, 1995 SYSTEM FEATURES Energy Saver Mode Level 1 LCD=OFF LED=OFF Fusing=User SW 05 Setting Main CPU=ON Energy Saver CPU=OFF System SW 0B Bit 2,3 T=1, 3, or 5 minutes Tx file in Timer=T memory ? Tx time ? Timer=0 User SW 05...
Page 87: Receiving A Fax Message In Energy Saver Mode
December 21st, 1995 DETAILED SECTION DESCRIPTIONS SYSTEM FEATURES 3. Receiving a Fax Message in Energy Saver Mode The flow chart on the next page explains how the machine receives a fax message while it is in a energy saver mode. Ring Detection While the machine is in a Energy Saver mode, the energy saver CPU moni- tors ringing signals from the line.
Page 88 DETAILED SECTION DESCRIPTIONS December 21st, 1995 SYSTEM FEATURES Energy Saver Mode Energy Saver Mode Level 2 Level 1 LCD=OFF LCD=OFF LED=OFF LED=OFF Fusing=OFF Fusing=User SW 05 Setting Main CPU=OFF Main CPU=ON Energy Saver CPU=ON Energy Saver CPU=OFF Ring Detection Energy Saver Mode Level 0 LCD=OFF LED=OFF...
Page 89: Sending A Fax Message Or Copying In Energy Saver Mode
December 21st, 1995 DETAILED SECTION DESCRIPTIONS SYSTEM FEATURES 4. Sending a Fax Message or Copying in Energy Saver Mode The flow chart on the next page explains how the machine wakes up from en- ergy saver mode upon a manual operation, and how it comes back to a energy saver mode.
Page 90 DETAILED SECTION DESCRIPTIONS December 21st, 1995 SYSTEM FEATURES Energy Saver Mode Energy Saver Mode Level 2 Level 1 LCD=OFF LCD=OFF LED=OFF LED=OFF Fusing=OFF Fusing=User SW 05 Setting Main CPU=OFF Main CPU=ON Energy Saver CPU=ON Energy Saver CPU=OFF Condition #1 Energy Saver key pressed Document set in ADF NCU off-hook Normal Mode...
Page 91: Automatic Service Calls
December 21st, 1995 DETAILED SECTION DESCRIPTIONS SYSTEM FEATURES 2.3.2. Automatic Service Calls 1. Service Call Conditions The machine makes an automatic service call when one of the following con- ditions occurs. Sub-code Service Call Conditions Error Code (8003B5H) Charge corona unit failure 9-17 11 or 12 Laser diode failure...
Page 92: Excessive Jam Alarms
DETAILED SECTION DESCRIPTIONS December 21st, 1995 SYSTEM FEATURES 2. Excessive Jam Alarms * CALL Threshold (=6) Decrement Reset to Decrement zero NO-JAM1 DEC Threshold (=16) 16 pages fed without jam 16 pages fed without jam 16 pages fed without jam NO-JAM2 CLR Threshold (=48) 48 pages fed without jam...
Page 93: Periodic Service Call
December 21st, 1995 DETAILED SECTION DESCRIPTIONS SYSTEM FEATURES Address (H) Initial Sys. Para. Parameters Settings List Printer DEC (1 - 255; 0 = Disabled) 48027E 480282 10 (H) CALL (3 - 15; 0 = Disabled) 48027F 480283 06 (H) (Low) 480280 480284 30 (H)
Page 94: Pm Call
DETAILED SECTION DESCRIPTIONS December 21st, 1995 SYSTEM FEATURES 4. PM Call * If PM call is enabled, the machine will make an automatic service call when the PM counter reaches the PM threshold. Program the PM call interval at the following RAM addresses. (Default setting: 60,000 sheets) Address (H) Bits 7 - 4...
Page 95: Parallel Memory Transmission
December 21st, 1995 DETAILED SECTION DESCRIPTIONS SYSTEM FEATURES 2.3.3. Parallel Memory Transmission * Using memory transmission, normally the machine starts dialing after the document has been completely scanned. Using Parallel Memory Transmis- sion, the machine starts dialing at the same time the machine starts scanning.
Page 96 DETAILED SECTION DESCRIPTIONS December 21st, 1995 SYSTEM FEATURES In the following cases, the machine uses normal memory transmission even if parallel memory transmission is enabled. • Send later transmission • Broadcasting • Transmission of an Auto Document only • File re-transmission from the hard disk filing system •...
Page 97: Transfer Broadcasting
December 21st, 1995 DETAILED SECTION DESCRIPTIONS SYSTEM FEATURES 2.3.4. Transfer Broadcasting * This machine uses a new algorithm to identify the requester’s fax number to send back the transfer result report, because the transfer result report some- times did not reach the requester with the algorithm used in previous models. In a transfer broadcasting operation, the transfer requester informs its own fax number to the transfer station.
Page 98 DETAILED SECTION DESCRIPTIONS December 21st, 1995 SYSTEM FEATURES Example Requester's Own Fax No. 3456 1223456 0111201-2223456 020-4773456 5413654 020-4776666 00-4126567878 00-81454771748 0454771748 No. of digits to compare Result 2223456 0634558989 00-4961969063456 07474125899 0569723456 00-85226356541 201-2223456 00-12012223456 00-31204564569 02212301564 013453456 6524555 No match No match 0875558888...
Page 99 December 21st, 1995 DETAILED SECTION DESCRIPTIONS SYSTEM FEATURES If the machine could not find the destination for the report, either: • The machine stops the transfer operation and prints a report locally (if bit 5 of communication switch 0B is 0). •...
Page 100: Fax On Demand
DETAILED SECTION DESCRIPTIONS December 21st, 1995 SYSTEM FEATURES 2.3.5. Fax On Demand * MFDU MFCE DTMF EXIO-2 Receiver (IC4) Modem Playback Message Playback / Transmission FOD Card Speaker Voice A/D SRAM Converter (512kB) Message Record Microphone Serial Interface Bus Interface H515D522.wmf Fax On Demand is a polling application with pre-recorded voice assistance.
Page 101 December 21st, 1995 DETAILED SECTION DESCRIPTIONS SYSTEM FEATURES Protocol Sequence Dial Dial Ring Detection Ring Detection Message Message "This is a fax service ... " "This is a fax service ... " " 1 " " # " No Box No. Box No.
Page 102: Hard Disk Filing System
DETAILED SECTION DESCRIPTIONS December 21st, 1995 SYSTEM FEATURES 2.3.6. Hard Disk Filing System * If the machine has the hard disk option and a function upgrade card, the hard disk can be used as a kind of document filing system. The feature can be implemented in either ot two ways: •...
Page 103: Pcbs
December 21st, 1995 DETAILED SECTION DESCRIPTIONS PCBs 2.4. PCBs 2.4.1. MFCE * Fax On Function Feature Feature Demand Upgrade Expander Expander 80MB HDD Interface Card Card MFDU RS232C CiG4-SV Interface G4 Interface IC Card IC Card (Type A) (Type B) DRAM Flash ROM SRAM...
Page 104 DETAILED SECTION DESCRIPTIONS December 21st, 1995 PCBs 3. Modem (Rockwell R144EFXL) • V.21, V.27ter, V.29, V.17, and V.33 modems 4. VPP4F (Video Processing Peripheral 4F) • Video signal and thermistor output A/D conversion • Digital video processing 5. ROM • 2MB (16 Mbit) flash ROM for system software storage •...
Page 105 December 21st, 1995 DETAILED SECTION DESCRIPTIONS PCBs 12. Jumpers, Switches, and Test Points Item Description Switches the backup battery ON/OFF Test connector for scanner adjustment Pin 1 - Data enable clock Pin 2 - Analog video signal Pin 3 - Line synchronization clock Pin 4 - Ground Refer to section 5.11 for how to adjust the scanner.
Page 106: Mfdu
DETAILED SECTION DESCRIPTIONS December 21st, 1995 PCBs 2.4.2. MFDU MFCE Microphone (Fax on Demand) MFDU LDDR Hybrid IC Laser Synch. Printer EXIO1 DTMF Speaker Interface EXIO2 Receiver Energy Saver CPU Sensors DC/DC Clutches Converter Scanner Motor Hexagonal Mirror MFPD Paper Feed Motor Motor Main Motor Mechanical...
Page 107 December 21st, 1995 DETAILED SECTION DESCRIPTIONS PCBs 3. EXIO1, EXIO2 (External I/O) • Serial interface to the MFCE, operation panel, FPD, DTMF receiver, and optional paper feed units • Parallel interface to the motors, clutches, sensors, and other electrical components 4.
Page 108: Psu
DETAILED SECTION DESCRIPTIONS December 21st, 1995 PCBs 2.4.3. PSU Main Switch +24V Input Surge Surge Switching Interlock COM3 Protection Protection Switch Circuit +24VD Fusing Lamp 1HTORON Output 1HTON Fusing Control H515D532.wmf • +24Vdc generation • Fusing lamp ac power supply and control 2.4.4.
Page 109: Ncu (Europe/Asia)
December 21st, 1995 DETAILED SECTION DESCRIPTIONS PCBs 2.4.5. NCU (Europe/Asia) SHUNT CML Relay Filter (16Hz) DO Sw. RING TRXD Current Sensor Loop Closure Circuit OHDI Sw. JP24 DOSW OHDISW GS Sw. CMLSW Hook0 Hook1 SHUNT GSSW CSEL0 Ring CSEL1 RING Detection RSEL Circuit...
Page 110: Installation
December 21st, 1995 INSTALLATION * INSTALLING THE MACHINE 3. INSTALLATION * 3.1. INSTALLING THE MACHINE Refer to the Operator’s Manual for the installation environment and how to in- stall and set up the machine. Refer to section 2.4.5 for how to set up the NCU hardware in each country. 3.2.
Page 111: Installing Optional Units
INSTALLATION * December 21st, 1995 INSTALLING OPTIONAL UNITS 3.3. INSTALLING OPTIONAL UNITS CAUTION Before installing optional units, do the following: 1. Print out all messages stored in the memory. 2. Print out the lists of user-programmed items and the system parameter list.
Page 112 December 21st, 1995 INSTALLATION * INSTALLING OPTIONAL UNITS 3. Install the battery on the hard disk interface card, and turn on the bat- tery switch [G]. 4. Connect the harness [J] to the hard disk interface card [H] and to the hard disk unit [E].
Page 113: Isdn G4 Interface
INSTALLATION * December 21st, 1995 INSTALLING OPTIONAL UNITS 3.3.2. ISDN G4 Interface * Note: If an optional Printer Interface Unit is installed, remove it before doing the following procedure, and put it back afterwards. Installation Procedure 1. Remove the rear cover [A] (4 screws), and the left cover [B] (3 screws and the connector cover).
Page 114 December 21st, 1995 INSTALLATION * INSTALLING OPTIONAL UNITS 5. This step is necessary only for the Europe model. Attach the outer bracket [J] (5 screws). 6. Put back the rear cover and the left cover. Connect the phone line cable. 7.
Page 115: Fax On Demand
INSTALLATION * December 21st, 1995 INSTALLING OPTIONAL UNITS 3.3.3. Fax on Demand * Notes: 1. If an optional Printer Interface is installed, remove it before doing the fol- lowing procedure, and put it back afterwards. 2. Do the procedures in the section 3.3.6 after installation. Installation Procedure 1.
Page 116: Counter
December 21st, 1995 INSTALLATION * INSTALLING OPTIONAL UNITS 3.3.4. Counter * Note: If an optional Printer Interface Unit is installed, remove it before doing the following procedure, and put it back afterwards. Installation Procedure 1. Remove the rear cover [A] (4 screws) and the small cover [B] as shown.
Page 117: Printer Interface
INSTALLATION * December 21st, 1995 INSTALLING OPTIONAL UNITS 3.3.5. Printer Interface * Note: If any other optional units will be installed, install them before doing the following procedure. Installation Procedure 1. Remove the rear cover [A] (4 screws) and two small covers [B] (1 screw) and [C] as shown.
Page 118 December 21st, 1995 INSTALLATION * INSTALLING OPTIONAL UNITS 5. Connect the harness [H] to the MFDU through the lower window in the rear cover. Then, hook the printer interface unit onto the ma- chine with brackets [F] and [G]. 6. Secure the unit [I] to the machine (3 screws).
Page 119: Important Notice For The Function Upgrade Card And Fax On Demand Card
INSTALLATION * December 21st, 1995 INSTALLING OPTIONAL UNITS 3.3.6. Important Notice for the Function Upgrade Card and Fax On Demand Card * The Function Upgrade Card holds data that has been programmed by the user and the technician, and the Fax On Demand Card holds the voice mes- sages that have been recorded by the user.
Page 120: Service Tables And Procedures
December 21st, 1995 SERVICE TABLES AND PROCEDURES SERVICE LEVEL FUNCTIONS * 4. SERVICE TABLES AND PROCEDURES 4.1. SERVICE LEVEL FUNCTIONS * In this section, frequently used keys are referred to with the following symbols. - Start key - Stop key - Function key - Yes key - No key...
Page 121: Group 3 System Parameter List (Function 02)
SERVICE TABLES AND PROCEDURES December 21st, 1995 SERVICE LEVEL FUNCTIONS * 6. Either: • Adjust more bit switches - go to step 4. • Finish - 4.1.2. Group 3 System Parameter List (Function 02) SERVICE SET 01BIT SW. 02PARA.LIST then immediately 03ERROR CODE 04SVC MONITOR G3 SYSTEM PARAMETER LIST...
Page 122 December 21st, 1995 SERVICE TABLES AND PROCEDURES SERVICE LEVEL FUNCTIONS * A sample system parameter list is given below. SYSTEM PARAMETER LIST (Date and Time) * SERIAL NO. - Serial number programmed by function 14) ROM VER. [Version] [Software release no.] [Software release date] ROM NO.
Page 123: Error Code Display (Function 03)
SERVICE TABLES AND PROCEDURES December 21st, 1995 SERVICE LEVEL FUNCTIONS * 4.1.3. Error Code Display (Function 03) SERVICE SET 01BIT SW. 02PARA.LIST then immediately 03ERROR CODE 04SVC MONITOR ERROR CODE CODE=0-14 3:15PM 3. Either: Scroll through the error codes - Finish - 4.1.4.
Page 124: Ram Display/Rewrite (Function 06)
December 21st, 1995 SERVICE TABLES AND PROCEDURES SERVICE LEVEL FUNCTIONS * 4.1.6. RAM Display/Rewrite (Function 06) SERVICE SET 01BIT SW. 02PARA.LIST then immediately 03ERROR CODE 04SVC MONITOR 0.MEMORY R/W 1.MEMORY DUMP MEMORY R/W ADDRESS= 000000 DATA=2E 4. Input the address that you wish to see. MEMORY R/W Example: Address 480020 ADDRESS=...
Page 125: Counter Display/Rewrite (Function 07)
SERVICE TABLES AND PROCEDURES December 21st, 1995 SERVICE LEVEL FUNCTIONS * 4. Enter the first four digits of the start and end addresses. Example: Start at 480000, end at 4801FF. MEMORY DUMP ADD. 480000H - ADD. 4800FFH 4.1.8. 4.1.8. Counter Display/Rewrite (Function 07) SERVICE SET 01BIT SW.
Page 126: Modem Test (Function 08)
December 21st, 1995 SERVICE TABLES AND PROCEDURES SERVICE LEVEL FUNCTIONS * 4.1.9. Modem Test (Function 08) SERVICE SET 01BIT SW. 02PARA.LIST then immediately 03ERROR CODE 04SVC MONITOR 0.MODEM 1.DTMF 2.NCU PARA 3.RINGER MODEM TEST NO.01=V21 300BPS PRESS "START" 4. Scroll through the available tests using 5.
Page 127: Ncu Parameters (Function 08)
SERVICE TABLES AND PROCEDURES December 21st, 1995 SERVICE LEVEL FUNCTIONS * 7. To finish: 4.1.11. NCU Parameters (Function 08) SERVICE SET 01BIT SW. 02PARA.LIST then immediately 03ERROR CODE 04SVC MONITOR 0.MODEM 1.DTMF 2.NCU PARA 3.RINGER NCU PARAMETER SET C.C =019 PRESS "YES/NO"...
Page 128: Ringer Test (Function 08)
December 21st, 1995 SERVICE TABLES AND PROCEDURES SERVICE LEVEL FUNCTIONS * 4. Scroll through the available tests using 5. To start a test: 6. To stop the test: 7. To finish: 4.1.13. Ringer Test (Function 08) SERVICE SET 01BIT SW. 02PARA.LIST then immediately 03ERROR CODE...
Page 129: Operation Panel Test (Function 09)
SERVICE TABLES AND PROCEDURES December 21st, 1995 SERVICE LEVEL FUNCTIONS * 4.1.14. Operation Panel Test (Function 09) SERVICE SET 01BIT SW. 02PARA.LIST then immediately 03ERROR CODE 04SVC MONITOR LED.LCD PRESS START 3. To start the test, press The screen should turn black. 4.
Page 130: Adf Test (Function 10)
December 21st, 1995 SERVICE TABLES AND PROCEDURES SERVICE LEVEL FUNCTIONS * 4.1.16. ADF Test (Function 10) SERVICE SET 01BIT SW. 02PARA.LIST then immediately 03ERROR CODE 04SVC MONITOR SCANNER 0.Xe LAMP 1.ADF TEST ADF TEST PRESS START 4. Place a document in the feeder, then press 5.
Page 131: Ram Tests (Function 12)
SERVICE TABLES AND PROCEDURES December 21st, 1995 SERVICE LEVEL FUNCTIONS * 4.1.18. Scanner and Printer Mechanism Test - Free Run (Function 11) SERVICE SET 01BIT SW. 02PARA.LIST then immediately 03ERROR CODE 04SVC MONITOR PRINTER 0.PATTERN 1.AGING TEST MECH. TEST PRESS START 4.
Page 132: Software Download (Function 12)
December 21st, 1995 SERVICE TABLES AND PROCEDURES SERVICE LEVEL FUNCTIONS * 4.1.20. Software Download (Function 12) Instead of replacing EPROMs to update the machine’s software, use this pro- cedure to update the software in the machine’s Flash ROM. This procedure copies software from an external medium to the Flash ROM on the machine’s MFCE.
Page 133 SERVICE TABLES AND PROCEDURES December 21st, 1995 SERVICE LEVEL FUNCTIONS * SERVICE SET 01BIT SW. 02PARA.LIST then immediately 03ERROR CODE 04SVC MONITOR RAM TEST 0.SRAM 1.DRAM 2.COPY COPY 0.ROM COPY 1.RAM COPY COPY FLASH ROM -> MACHINE PRESS START If the software is successfully downloaded, the bottom line of the display display shows "OK".
Page 134: Software Upload (Function 12)
December 21st, 1995 SERVICE TABLES AND PROCEDURES SERVICE LEVEL FUNCTIONS * 4.1.21. Software Upload (Function 12) This procedure copies the software from the machine’s built-in MFCE to an external MFCE. 1. Turn off the machine. 2. Insert the Flash/SRAM Copy Tool [A] into the lower IC card slot [B], then connect the external MFCE [C] to the opposite side of the tool.
Page 135 SERVICE TABLES AND PROCEDURES December 21st, 1995 SERVICE LEVEL FUNCTIONS * COPY 0.ROM COPY 1.RAM COPY COPY MACHINE -> FLASH ROM PRESS START If the software is successfully uploaded, the bottom line of the display shows "OK". If the software upload fails, the bottom line shows "NG". 9.
Page 136: Sram Data Download (Function 12)
December 21st, 1995 SERVICE TABLES AND PROCEDURES SERVICE LEVEL FUNCTIONS * 4.1.22. SRAM Data Download (Function 12) This procedure copies all the data stored in the SRAM on an external MFCE to the machine’s MFCE. Use this after replacing a damaged MFCE to save any previous settings that were programmed in the damaged MFCE.
Page 137: Saving Data Programmed In Ic Cards
SERVICE TABLES AND PROCEDURES December 21st, 1995 SERVICE LEVEL FUNCTIONS * RAM TEST 0.SRAM 1.DRAM 2.COPY COPY 0.ROM COPY 1.RAM COPY COPY MACHINE -> RAM PRESS START If the SRAM data is successfully downloaded, the bottom line of the dis- play shows "OK".
Page 138: When Replacing The Mfce
December 21st, 1995 SERVICE TABLES AND PROCEDURES SERVICE LEVEL FUNCTIONS * 2. Turn off the machine, and remove the IC card. 3. Connect the data copy tool and ROM board or MFCE, and do the re- quired procedure as explained in section 4.1.20 or 4.1.21. 4.
Page 139: When Replacing The Mfdu Or Other Components
SERVICE TABLES AND PROCEDURES December 21st, 1995 SERVICE LEVEL FUNCTIONS * 3. When replacing the MFDU or other components When the MFCE must be removed to access or remove other components in- side the machine, follow the procedure below. 1. Make sure that System Switch 16 - bit 0 is set to 1, and that the battery switch on the IC card is at the ON position.
Page 140: Serial Number (Function 14)
December 21st, 1995 SERVICE TABLES AND PROCEDURES SERVICE LEVEL FUNCTIONS * 4.1.25. Serial Number (Function 14) SERVICE SET 01BIT SW. 02PARA.LIST then immediately 03ERROR CODE 04SVC MONITOR SERIAL NO. 3. Enter the machine’s serial number at the SERIAL NO. keypad. 64997244292 To correct a mistake: 4.
Page 141: Hard Disk Formatting (Function 16)
SERVICE TABLES AND PROCEDURES December 21st, 1995 SERVICE LEVEL FUNCTIONS * 4.1.27. Hard Disk Formatting (Function 16) NOTE: This procedure is not necessary at hard disk installation. SERVICE SET 01BIT SW. 02PARA.LIST then immediately 03ERROR CODE 04SVC MONITOR 0.INITIAL 1.FORMAT 2.TEST HD FORMAT PRESS START...
Page 142: G4 Parameter Programming (Function 17)
December 21st, 1995 SERVICE TABLES AND PROCEDURES SERVICE LEVEL FUNCTIONS * 4.1.29. G4 Parameter Programming (Function 17) SERVICE SET 01BIT SW. 02PARA.LIST then immediately 03ERROR CODE 04SVC MONITOR 01G4_ISW 02G4_PSW 03ISDN_IP 04G4_SN1 Refer to the service manual for the ISDN G4 option for further details of the G4 parameter programming procedures.
Page 143: Bit Switches
SERVICE TABLES AND PROCEDURES December 21st, 1995 BIT SWITCHES 4.2. BIT SWITCHES WARNING Do not adjust a bit switch that is described as "Not used", as this may cause the machine to malfunction or to operate in a manner that is not accepted by local regulations.
Page 144 December 21st, 1995 SERVICE TABLES AND PROCEDURES BIT SWITCHES System Switch 00 FUNCTION COMMENTS Technical data printout on 1: Instead of the personal code, the following data are TCR (Journal) listed on the TCR for each analog G3 communication. 0: Disabled e.g.
Page 145 SERVICE TABLES AND PROCEDURES December 21st, 1995 BIT SWITCHES System Switch 00 FUNCTION COMMENTS Amount of protocol dump Change this bit to 1 if you want to have a protocol data in one protocol dump dump list of the last communication only. list printout operation 0: Up to the limit of the memory area for protocol...
Page 146 December 21st, 1995 SERVICE TABLES AND PROCEDURES BIT SWITCHES G4 Communication Parameters * Compression MMR: MMR compression mode MR: MR compression MH: MH compression Resolution 21: Standard (200 x 100 dpi) 22: Detail (200 x 200 dpi) 24: Fine (200 x 400 dpi) Width and A4: A4 (8.3"), no reduction reduction...
Page 147 SERVICE TABLES AND PROCEDURES December 21st, 1995 BIT SWITCHES System Switch 02 FUNCTION COMMENTS Programmed data transfer Do the following steps to transfer the data. (Back-to-back) 1. Connect two machines of the same type back to 0: Disabled back and enable back-to-back communication on both 1: Enabled machines.
Page 148 December 21st, 1995 SERVICE TABLES AND PROCEDURES BIT SWITCHES System Switch 04 FUNCTION COMMENTS LCD contrast Use these bit switches to adjust the contrast of the Contrast LCD on the operation panel. Brightest ↓ ↓ ↓ ↓ Darkest Dedicated transmission This bit must be set to 1 before changing any parameter programming dedicated transmission parameters.
Page 149 SERVICE TABLES AND PROCEDURES December 21st, 1995 BIT SWITCHES System Switch 05 FUNCTION COMMENTS Not used Do not change the settings. G4 Terminal ID length limit 1: The length of the terminal ID is limited to 7 0: No limit characters.
Page 150 December 21st, 1995 SERVICE TABLES AND PROCEDURES BIT SWITCHES System Switch 09 FUNCTION COMMENTS Addition of part of the image If this feature is enabled, the top half of the first page data from confidential of confidential messages will be printed on transmissions on the transmission result reports.
Page 151 SERVICE TABLES AND PROCEDURES December 21st, 1995 BIT SWITCHES System Switch 0A FUNCTION COMMENTS Default communication These bits determine the machine’s standby default mode communication mode if a G4 option has been installed. Bit 1 Bit 0 Setting Not used Not used Not used Do not change the settings.
Page 152 December 21st, 1995 SERVICE TABLES AND PROCEDURES BIT SWITCHES System Switch 0C - Not used (Do not change the factory settings.) System Switch 0D - Not used (Do not change the factory settings.) System Switch 0E - Not used (Do not change the factory settings.) System Switch 0F FUNCTION COMMENTS...
Page 153 SERVICE TABLES AND PROCEDURES December 21st, 1995 BIT SWITCHES System Switch 11 FUNCTION COMMENTS Not used Do not change the factory settings. Use of parallel memory This bit determines whether parallel transmission can transmission with G4 be used with a G4 transmission or not. transmission Refer to section 2.3.3 for details.
Page 154 December 21st, 1995 SERVICE TABLES AND PROCEDURES BIT SWITCHES System Switch 14 FUNCTION COMMENTS Wait time between pages in 05 to 64 (H) (5 to 100s) - This setting determines the printer mode (with an machine’s wait time between pages in printer mode. optional printer interface A longer setting forces the fax machine to wait until the unit)
Page 155: Scanner Switches
SERVICE TABLES AND PROCEDURES December 21st, 1995 BIT SWITCHES 4.2.2. Scanner Switches Scanner Switch 00 FUNCTION COMMENTS 0: Disabled 1: Enabled Text/photo separation in Normally keep this bit at 1 to get a good halftone halftone mode quality. 0: Disabled 1: Enabled Maximum transmittable If the user wants to send very long documents such as...
Page 156 December 21st, 1995 SERVICE TABLES AND PROCEDURES BIT SWITCHES Scanner Switch 04 FUNCTION COMMENTS Contrast threshold with The value can be between 00 to 0F. For a darker halftone disabled - Darken threshold, input a lower value. setting Default setting - 0C(H) Scanner Switch 05 FUNCTION COMMENTS...
Page 157: Printer Switches
SERVICE TABLES AND PROCEDURES December 21st, 1995 BIT SWITCHES 4.2.3. Printer Switches Printer Switch 00 FUNCTION COMMENTS Page separation mark 0: No marks are printed. 0: Disabled 1: If a received page has to be printed out on two 1: Enabled sheets, an "x"...
Page 158 December 21st, 1995 SERVICE TABLES AND PROCEDURES BIT SWITCHES Printer Switch 03 FUNCTION COMMENTS 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.
Page 159 SERVICE TABLES AND PROCEDURES December 21st, 1995 BIT SWITCHES Printer Switch 06 - Not used (do not change the settings) Printer Switch 07 - Not used (do not change the settings) Printer Switch 08 - Not used (do not change the settings) Printer Switch 09 - Not used (do not change the settings) Printer Switch 0A - Not used (do not change the settings) Printer Switch 0B - Not used (do not change the settings)
Page 160: Communication Switches
December 21st, 1995 SERVICE TABLES AND PROCEDURES BIT SWITCHES 4.2.4. Communication Switches Communication Switch 00 FUNCTION COMMENTS Compression modes These bits determine the compression capabilities to available in receive mode be declared in phase B (handshaking) of the T.30 Bit 1 Modes protocol.
Page 161 SERVICE TABLES AND PROCEDURES December 21st, 1995 BIT SWITCHES Communication Switch 01 FUNCTION COMMENTS If this bit is 0, ECM is switched off for all 0: Off 1: On communications. EFC during transmission If this bit is 0, EFC is switched off during transmission. 0: Off 1: On Wrong connection (0,1) - The machine will not transmit if the last 8 digits...
Page 162 December 21st, 1995 SERVICE TABLES AND PROCEDURES BIT SWITCHES Communication Switch 02 FUNCTION COMMENTS Burst error threshold If there are more consecutive error lines in the 0: Low 1: High received page than the threshold, the machine will send a negative response. The Low and High threshold values depend on the sub-scan resolution, and are as follows.
Page 163 SERVICE TABLES AND PROCEDURES December 21st, 1995 BIT SWITCHES Communication Switch 06 FUNCTION COMMENTS Dialing requirements: These switches are automatically set to the settings Germany required by each country after a country code (System 0: Disabled 1: Enabled Switch 0F) is programmed. Dialing requirements: Austria 0: Disabled 1: Enabled Dialing requirements:...
Page 164 December 21st, 1995 SERVICE TABLES AND PROCEDURES BIT SWITCHES Communication Switch 0A FUNCTION COMMENTS Point of resumption of 0: The transmission begins from the page where memory transmission upon transmission failed the previous time. redialing 1: Transmission begins from the first page. 0: From the error page 1: From page 1 Not used...
Page 165 SERVICE TABLES AND PROCEDURES December 21st, 1995 BIT SWITCHES Communication Switch 0B FUNCTION COMMENTS Action when there is no fax After the machine receives a transfer request, the number in the programmed machine compares the last N digits of the requesting Quick/Speed dials which terminal’s own fax number with all the Quick/Speed meets the requesting...
Page 166 December 21st, 1995 SERVICE TABLES AND PROCEDURES BIT SWITCHES Communication Switch 0E FUNCTION COMMENTS Minimum interval between 06 to FF (Hex), unit = 2 s automatic dialing attempts (e.g., 06(H) = 12 s) This value is the minimum time that the machine waits before it dials the next destination.
Page 167 SERVICE TABLES AND PROCEDURES December 21st, 1995 BIT SWITCHES Communication Switch 14 FUNCTION COMMENTS Inch-to-mm conversion 0: Transmitting is always done in inch format. during transmission 1: If the other end only has mm-based resolution for 0: Disabled 1: Enabled printing, the machine converts the scanned data to mm-format before transmission.
Page 168: G3 Switches
December 21st, 1995 SERVICE TABLES AND PROCEDURES BIT SWITCHES 4.2.5. G3 Switches G3 Switch 00 FUNCTION COMMENTS Monitor speaker during (0, 0): The monitor speaker is disabled all through the communication (tx and rx) communication. Bit 1 Bit 0 Setting (0, 1): The monitor speaker is on up to phase B in the Disabled T.30 protocol.
Page 169 CTC transmission conditions When using ECM, the machine will choose a slower 0: Ricoh mode (PPR x 1) modem rate after receiving PPR once (Ricoh mode) or 1: ITU-T mode (PPR x 4) four times (ITU-T mode). ITU-T: New acronym for the CCITT.
Page 170 December 21st, 1995 SERVICE TABLES AND PROCEDURES BIT SWITCHES G3 Switch 04 FUNCTION COMMENTS Training error detection 0 - F (Hex); 0 - 15 bits threshold If the number of error bits in the received TCF is below this threshold, the machine informs the sender that the training has succeeded.
Page 171 SERVICE TABLES AND PROCEDURES December 21st, 1995 BIT SWITCHES G3 Switch 06 FUNCTION COMMENTS Initial Rx modem rate The setting of these bits is used to inform the Bit 3 2 1 0 Setting (bps) transmitting terminal of the available modem 0 0 0 1 2.4 k rate for the machine in receive mode.
Page 172 December 21st, 1995 SERVICE TABLES AND PROCEDURES BIT SWITCHES G3 Switch 09 FUNCTION COMMENTS ISDN cable equalizer Use a higher setting if there is signal loss at higher (tx mode) frequencies because of the length of wire between the Bit 1 Bit 0 Setting modem and the telephone exchange.
Page 173 SERVICE TABLES AND PROCEDURES December 21st, 1995 BIT SWITCHES G3 Switch 0A FUNCTION COMMENTS Reconstruction time for the When the sending terminal is controlled by a computer, first line in receive mode there may be a delay in receiving page data after the 0: 6 s 1: 12 s local machine accepts set-up data and sends CFR.
Page 174 December 21st, 1995 SERVICE TABLES AND PROCEDURES BIT SWITCHES G3 Switch 0D - Not used (do not change the settings) G3 Switch 0E - Not used (do not change the settings) G3 Switch 0F - Not used (do not change the settings) 4-55...
Page 175: Ncu Parameters
SERVICE TABLES AND PROCEDURES December 21st, 1995 NCU PARAMETERS 4.3. NCU PARAMETERS The following tables give the RAM addresses and units of calculation of the parameters that the machine uses for ringing signal detection and automatic dialing. The factory settings for each country are also given. Most of these must be changed by RAM read/write (Function 06), but some can be changed using NCU Parameter programming (Function 08);...
Page 176 December 21st, 1995 SERVICE TABLES AND PROCEDURES NCU PARAMETERS Address Function Unit Remarks PSTN dial tone frequency lower Hz (BCD) If both addresses contain 480406 limit (high byte) FF(F), tone detection is disabled. PSTN dial tone frequency lower 480407 limit (low byte) 480408 PSTN dial tone detection time 20 ms...
Page 177 SERVICE TABLES AND PROCEDURES December 21st, 1995 NCU PARAMETERS Address Function Unit Remarks PABX ringback tone detection time 20 ms Detection is disabled if this 480422 contains FF. PABX ringback tone off detection 20 ms 480423 time PABX detection time for silent 20 ms 480424 period after ringback tone...
Page 178 December 21st, 1995 SERVICE TABLES AND PROCEDURES NCU PARAMETERS Address Function Unit Remarks International dial tone detection 20 ms If 480438 contains FF, the 480438 time machine pauses for the pause time (48043D / International dial tone reset time 480439 48043E).
Page 179 SERVICE TABLES AND PROCEDURES December 21st, 1995 NCU PARAMETERS Address Function Unit Remarks Tone attenuation level of DTMF -dBm x Function 08 (parameter 19). 480452 signals while dialing See Note 5. Tone attenuation value difference -Nx0.5 Function 08 (parameter 20). between high frequency tone and (dB) See Note 5.
Page 180 December 21st, 1995 SERVICE TABLES AND PROCEDURES NCU PARAMETERS Address Function Unit Remarks 480462 Not used Do not change the setting. 480463 Not used Do not change the setting. Not used Do not change the setting. 480464 480465 Intercity dial prefix (HIGH) For a code of 0: 480465 - FF Intercity dial prefix (LOW)
Page 181 SERVICE TABLES AND PROCEDURES December 21st, 1995 NCU PARAMETERS Address Function Unit Remarks Bits 7 to 5 - Not used Do not change the setting. Bit 4 - DTMF detection If bit 4 is set to 0, Fax On 0: Disabled Demand and Transfer 480483 1: Enabled...
Page 182 December 21st, 1995 SERVICE TABLES AND PROCEDURES NCU PARAMETERS Address Function Unit Remarks CNG On/Off time tolerance, 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). Bits 7, 6, 5, 4 - number of cycles required for cadence detection Bits 3 and 2 - Not used.
Page 183 SERVICE TABLES AND PROCEDURES December 21st, 1995 NCU PARAMETERS Address Function Unit Remarks 4804BE Not used Do not change the settings. 4804D9 4804DA T.30 T1 timer 4-64...
Page 184 December 21st, 1995 SERVICE TABLES AND PROCEDURES NCU PARAMETERS Notes 1. If a setting is not required, store FF in the address. 2. Italy and Belgium only RAM address 48045E: the lower four bits have the following meaning. Bit 2 1: International dial tone cadence detection enabled (Belgium) Bit 1 Not used Bit 0 1: PSTN dial tone cadence detection enabled (Italy) If bit 0 or bit 2 is set to 1, the functions of the following RAM addresses...
Page 185: Default Settings
SERVICE TABLES AND PROCEDURES December 21st, 1995 NCU PARAMETERS Default Settings The factory settings are quoted either in hexadecimal code (the actual con- tents of the RAM address) if there is a H after the value in the table, or in decimal (converted from the actual hex contents of the RAM address) if there is no H after the value.
Page 186 December 21st, 1995 SERVICE TABLES AND PROCEDURES NCU PARAMETERS Address 480406 480407 480408 480409 48040A France Germany Italy Austria Belgium Denmark Finland Ireland Norway Sweden Switzerland Portugal Holland Spain Israel Asia Hong Kong South Africa Australia New Zealand Singapore Malaysia Address 48040B 48040C...
Page 187 SERVICE TABLES AND PROCEDURES December 21st, 1995 NCU PARAMETERS Address 480410 480411 480412 480413 480414 France Germany Italy Austria Belgium Denmark Finland Ireland Norway Sweden Switzerland Portugal Holland Spain Israel Asia Hong Kong South Africa Australia New Zealand Singapore Malaysia Address 480415 480416...
Page 188 December 21st, 1995 SERVICE TABLES AND PROCEDURES NCU PARAMETERS Address 48041A 48041B 48041C 48041D 48041E France Germany Italy Austria Belgium Denmark Finland Ireland Norway Sweden Switzerland Portugal Holland Spain Israel Asia Hong Kong South Africa Australia New Zealand Singapore Malaysia Address 48041F 480420...
Page 189 SERVICE TABLES AND PROCEDURES December 21st, 1995 NCU PARAMETERS Address 480424 480425 480426 480427 480428 France Germany Italy Austria Belgium Denmark Finland Ireland Norway Sweden Switzerland Portugal Holland Spain Israel Asia Hong Kong South Africa Australia New Zealand Singapore Malaysia Address 480429 48042A...
Page 190 December 21st, 1995 SERVICE TABLES AND PROCEDURES NCU PARAMETERS Address 48042E 48042F 480430 480431 480432 France Germany Italy Austria Belgium Denmark Finland Ireland Norway Sweden Switzerland Portugal Holland Spain Israel Asia Hong Kong South Africa Australia New Zealand Singapore Malaysia Address 480433 480434...
Page 191 SERVICE TABLES AND PROCEDURES December 21st, 1995 NCU PARAMETERS Address 480438 480439 48043A 48043B 48043C France Germany Italy Austria Belgium Denmark Finland Ireland Norway Sweden Switzerland Portugal Holland Spain Israel Asia Hong Kong South Africa Australia New Zealand Singapore Malaysia Address 48043D 48043E...
Page 192 December 21st, 1995 SERVICE TABLES AND PROCEDURES NCU PARAMETERS Address 480442 480443 480444 480445 480446 France Germany Italy Austria Belgium Denmark Finland Ireland Norway Sweden Switzerland Portugal Holland Spain Israel Asia Hong Kong South Africa Australia New Zealand Singapore Malaysia Address 480447 480448...
Page 193 SERVICE TABLES AND PROCEDURES December 21st, 1995 NCU PARAMETERS Address 48044C 48044D 48044E 48044F 480450 France Germany Italy Austria Belgium Denmark Finland Ireland Norway Sweden Switzerland Portugal Holland Spain Israel Asia Hong Kong South Africa Australia New Zealand Singapore Malaysia Address 480451 480452...
Page 194 December 21st, 1995 SERVICE TABLES AND PROCEDURES NCU PARAMETERS Address 480459 48045A 48045B 48045C 48045D France Germany Italy Austria Belgium Denmark Finland Ireland Norway Sweden Switzerland Portugal Holland Spain Israel Asia Hong Kong South Africa Australia New Zealand Singapore Malaysia Address 48045E 48045F...
Page 195 SERVICE TABLES AND PROCEDURES December 21st, 1995 NCU PARAMETERS Address 480473 480474 480475 480476 480477 France Germany Italy Austria Belgium Denmark Finland Ireland Norway Sweden Switzerland Portugal Holland Spain Israel Asia Hong Kong South Africa Australia New Zealand Singapore Malaysia Address 480478 480479...
Page 196 December 21st, 1995 SERVICE TABLES AND PROCEDURES NCU PARAMETERS Address 480483 480484 4804A1 4804A2 4804A3 France Germany Italy Austria Belgium Denmark Finland Ireland Norway Sweden Switzerland Portugal Holland Spain Israel Asia Hong Kong South Africa Australia New Zealand Singapore Malaysia Address 4804A4 4804A5...
Page 197 SERVICE TABLES AND PROCEDURES December 21st, 1995 NCU PARAMETERS Address 4804A9 4804AA 4804AB 4804AC 4804AD France Germany Italy Austria Belgium Denmark Finland Ireland Norway Sweden Switzerland Portugal Holland Spain Israel Asia Hong Kong South Africa Australia New Zealand Singapore Malaysia Address 4804AF 4804B0...
Page 198 December 21st, 1995 SERVICE TABLES AND PROCEDURES NCU PARAMETERS Address 4804B4 4804B5 4804B6 4804B7 4804B8 France Germany Italy Austria Belgium Denmark Finland Ireland Norway Sweden Switzerland Portugal Holland Spain Israel Asia Hong Kong South Africa Australia New Zealand Singapore Malaysia Address 4804B9 4804BA...
Page 199 SERVICE TABLES AND PROCEDURES December 21st, 1995 NCU PARAMETERS Address 4804DA France Germany Italy Austria Belgium Denmark Finland Ireland Norway Sweden Switzerland Portugal Holland Spain Israel Asia Hong Kong South Africa Australia New Zealand Singapore Malaysia 4-80...
Page 200: Dedicated Transmission Parameters
December 21st, 1995 SERVICE TABLES AND PROCEDURES DEDICATED TRANSMISSION PARAMETERS 4.4. DEDICATED TRANSMISSION PARAMETERS Each Quick Dial Key and Speed Dial Code has four bytes of programmable parameters allocated to it. If transmissions to a particular machine often expe- rience problems, store that terminal’s fax number as a Quick Dial or Speed Dial, and adjust the parameters allocated to that number.
Page 201: Parameters
SERVICE TABLES AND PROCEDURES December 21st, 1995 DEDICATED TRANSMISSION PARAMETERS 4.4.2. Parameters The initial settings of the following parameters are all FF(H) - all the parame- ters are disabled. Switch 01 FUNCTION AND COMMENTS CCITT T1 time (for PSTN G3 mode) If the connection time to a particular terminal is longer than the NCU parameter setting , adjust this byte.
Page 202 December 21st, 1995 SERVICE TABLES AND PROCEDURES DEDICATED TRANSMISSION PARAMETERS Switch 03 FUNCTION COMMENTS Initial Tx modem rate If training with a particular remote Bit 3 Setting (bps) terminal always takes too long, the Not used initial modem rate may be too high. 2,400 Reduce the initial Tx modem rate 4,800...
Page 203 SERVICE TABLES AND PROCEDURES December 21st, 1995 DEDICATED TRANSMISSION PARAMETERS Switch 05 - Optional ISDN G4 kit required FUNCTION COMMENTS Data rate When disabled, the setting of G4 Bits Setting parameter switch 2 (bits 0 and 1) setting 64 kbps is used.
Page 204: Service Ram Addresses
December 21st, 1995 SERVICE TABLES AND PROCEDURES SERVICE RAM ADDRESSES 4.5. SERVICE RAM ADDRESSES CAUTION Do not change the settings which are marked as “Not used” or “Read only.” 004003 to 00400B(H) - ROM part number and suffix (ASCII) Example: The part number is H5157210A 004003(H) - 48(H) 004004(H) - 35(H) 004005(H) - 31(H)
Page 205 SERVICE TABLES AND PROCEDURES December 21st, 1995 SERVICE RAM ADDRESSES 480020 to 48003F(H) - System bit switches 480040 to 48004F(H) - Scanner bit switches 480050 to 48005F(H) - Printer bit switches 480060 to 48007F(H) - Communication bit switches 480080 to 48008F(H) - G3 bit switches 4800A0(H) - User parameter switch 00 (SWUER_00) Bit 0: Stamp home position 0: Disabled, 1: Enabled...
Page 206 December 21st, 1995 SERVICE TABLES AND PROCEDURES SERVICE RAM ADDRESSES 4800A5(H) - User parameter switch 05 (SWUSR_05) Bit 0: Substitute reception 0: Off, 1: On Bit 1: Memory reception if no RTI or CSI received 0: Possible, 1: Impossible Bits 2 and 3: Not used Bits 4 and 5: Restricted Access Setting Disabled...
Page 207 SERVICE TABLES AND PROCEDURES December 21st, 1995 SERVICE RAM ADDRESSES 4800A8(H) - User parameter switch 08 (SWUSR_08) Bit 0 and 1: Multi-copy reception (optional memory card required) Setting Disabled Faxes from senders whose RTIs/CSIs are specified for this feature are multicopied.
Page 208 December 21st, 1995 SERVICE TABLES AND PROCEDURES SERVICE RAM ADDRESSES 4800AB(H) - User parameter switch 11 (SWUSR_0B) Bit 0: Transfer request using DTMF tone signals 0: Not accepted, 1: Accepted Bit 1: Method of transmitting numbers after the "Tone" mark over an ISDN line 0: UUI, 1: Tone Bits 2 to 5: Not used Bit 6: Printout of messages received while acting as a forwarding station 0: Off, 1: On...
Page 209 SERVICE TABLES AND PROCEDURES December 21st, 1995 SERVICE RAM ADDRESSES 4800BB(H) - PSTN access number for loop start (SWUSR_1B) Access number Hex value to program (BCD) ò ò ò ò 4800C0 to 4800CF(H) - G4 Parameter Switches (Refer to the ISDN G4 option service manual for details.) 4800D0 to 4800EF(H) - G4 Internal Switches (Refer to the ISDN G4 option service manual for details.) 4800F0 to 480103(H) - RTI (Max.
Page 210 December 21st, 1995 SERVICE TABLES AND PROCEDURES SERVICE RAM ADDRESSES 4801AC(H) - Optional equipment (Read only) Bit 0: Memory card 0: Not installed, 1: Installed Bit 1: Hard disk 0: Not installed, 1: Installed Bit 2: Function upgrade card 0: Not installed, 1: Installed Bit 3: Not used Bit 4: 100 sheet cassette 0: Not installed, 1: Installed...
Page 211 SERVICE TABLES AND PROCEDURES December 21st, 1995 SERVICE RAM ADDRESSES 480210 to 480212(H) - Fusing exit jam counter 480214 to 480216(H) - Registration jam counter 480218 to 48021A(H) - PM counter 48021C to 48021E(H) - PM call interval (default 60,000) 480220 to 480222(H) - Copy counter 480224 to 480226(H) - OPC (master drum) counter 480228 to 48022A(H) - OPC (master drum) replacement interval (default: 30,000 prints)
Page 212 December 21st, 1995 SERVICE TABLES AND PROCEDURES SERVICE RAM ADDRESSES 480302 to 48032B(H) - Night timer period (User function 72) 480302 to 480304(H) - Setting #1 for Monday 480305 to 480307(H) - Setting #2 for Monday 480308 to 48030A(H) - Setting #1 for Tuesday 48030B to 48030D(H) - Setting #2 for Tuesday 48030E to 480310(H) - Setting #1 for Wednesday 480311 to 480313(H) - Setting #2 for Wednesday...
Page 213 SERVICE TABLES AND PROCEDURES December 21st, 1995 SERVICE RAM ADDRESSES 480372(H) - Transmission monitor volume 00 - 07(H) 480373(H) - Reception monitor volume 00 - 07(H) 480374(H) - On-hook monitor volume 00 - 07(H) 480376(H) - Buzzer volume 00 - 07(H) 480377(H) - Key acknowledgement tone volume 00 - 07(H) 480379 to 48037D(H) - Periodic service call parameters (Refer to section 2.3.2 for details) 480383 to 480385(H) - Effective term of automatic service calls (Refer to section 2.3.2 for de-...
Page 214 December 21st, 1995 SERVICE TABLES AND PROCEDURES SERVICE RAM ADDRESSES 4805B1(H) - Details of the service call (hardware error) 01(H) - The fusing lamp temperature stayed above 175 °C while printing. 02(H) - The fusing lamp temperature did not reach 150 °C before starting printing. 03(H) - The fusing lamp temperature did not go down to 80 °C while in standby mode (when fusing lamp OFF was selected for energy saver mode) 04(H) - The fusing lamp temperature did not go down to 80 °C while in standby mode (when...
Page 215 SERVICE TABLES AND PROCEDURES December 21st, 1995 SERVICE RAM ADDRESSES 4805E5(H) - Sensor status (standard cassette and internal printer mechanism) Bit 0 to 3: Paper size sensor (Note: Available paper sizes depend on the country for which the machine is designed.) ...
Page 216 December 21st, 1995 SERVICE TABLES AND PROCEDURES SERVICE RAM ADDRESSES 4805E7(H) - Sensor status (2nd optional Paper Feed Unit) Bit 0 to 3: Paper size sensor (Note: Available paper sizes depend on the country for which the machine is designed.) ...
Page 217 SERVICE TABLES AND PROCEDURES December 21st, 1995 SERVICE RAM ADDRESSES 492716 to 492C35(H) - Dedicated tx parameters for Quick Dial 01 - 64 and Speed Dial #00 - #99. As explained in section 4.4, each set of dedicated tx parameters consists of 8 bytes. 492716 to 49271D(H) - Dedicated tx parameters for Quick 01 49271E to 492725(H) - Dedicated tx parameters for Quick 02 492726 to 49272D(H) - Dedicated tx parameters for Quick 03...
Page 218 December 21st, 1995 SERVICE TABLES AND PROCEDURES SERVICE RAM ADDRESSES 1st byte - Header Bit 0: Communication result 0: OK, 1: NG Bit 1: Document jam 1: Occurred Bit 2: Power down 1: Occurred Bit 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...
Page 219 SERVICE TABLES AND PROCEDURES December 21st, 1995 SERVICE RAM ADDRESSES 17th byte - Final modem rate Bits 0 to 2: Final modem speed               Bit 0  ...
Page 220: Special Tools And Lubricants
December 21st, 1995 SERVICE TABLES AND PROCEDURES SPECIAL TOOLS AND LUBRICANTS 49th to 52nd byte - 1st error code and page number where the error occurred 49th byte - Page number where the error occurred (low - Hex) 50th byte - Page number where the error occurred (high - Hex) 51th byte - Error code (low - BCD) 52st byte - Error code (high - BCD) 53th to 56th byte - 2nd error code and page number where the error occurred...
Page 221: Pm Table
SERVICE TABLES AND PROCEDURES December 21st, 1995 PM TABLE 4.7. PM TABLE Scanner C: Clean, R: Replace Item 1 year Notes Exposure Glass C (user) C (user) C (user) C (user) Soft cloth and water R1 and R2 Rollers Soft cloth and water C (user) C (user) C (user) C (user) White Shading Plate C (user) C (user) C (user) C (user)
Page 222: Covers
December 21st, 1995 REPLACEMENT AND ADJUSTMENT COVERS 5. REPLACEMENT AND ADJUSTMENT WARNING The machine contains a laser beam generator. Laser beams can cause permanent eye damage. Do not open the laser unit or look along the laser beam path while the main power is on. CAUTION Before starting disassembly, be sure to print all message files in the SAF memory.
Page 223: Rear Cover Assembly
REPLACEMENT AND ADJUSTMENT December 21st, 1995 COVERS 5.1.2. Rear Cover Assembly H515R008.wmf A: Rear Cover (4 screws, 3 hooks) 5.1.3. Left Cover H515R603.wmf A: Cover (1 screw) B: Left Cover (2 screws, 3 hooks, 1 connector)
Page 224: Right Cover
December 21st, 1995 REPLACEMENT AND ADJUSTMENT COVERS 5.1.4. Right Cover H515R501.wmf A: Small Cover A (1 screw) B: Small Cover B (1 screw) C: Right Cover (2 screws, 3 hooks) 5.1.5. Operation Panel Assembly First, remove the operation panel from the assembly by pushing the operation panel release button [C], then remove the assembly.
Page 225: Top Cover
REPLACEMENT AND ADJUSTMENT December 21st, 1995 COVERS 5.1.6. Top Cover Note for reassembly: Thread the ground wire through the recess [B], as shown. H515R010.wmf A: Top Cover (1 tapping screw with grounding wire, 1 white clip)
Page 226: Adf Roller Assembly
December 21st, 1995 REPLACEMENT AND ADJUSTMENT 5.2. ADF 5.2.1. ADF Roller Assembly H515R609.wmf A: ADF Roller Cover B: ADF Roller Assembly 5.2.2. Separation Rubber Plate H515R610.wmf A: Separation Rubber Plate...
Page 227: Separation Pressure Adjustment
REPLACEMENT AND ADJUSTMENT December 21st, 1995 5.2.3. Separation Pressure Adjustment To suit the paper type that the user will be scanning, adjust the position of lever [A] as shown in the following table. Paper Pressure Position Thickness Thin Normal Normal Thick High To correct document feed...
Page 228 December 21st, 1995 REPLACEMENT AND ADJUSTMENT H515R508.wmf C: Bracket (7 tapping screws, 1 grounding wire) D: Document Width Sensor (B4) E: Document Sensor F: Scan Line Sensor G: Document Width Sensor (A3)
Page 229: Scanner
REPLACEMENT AND ADJUSTMENT December 21st, 1995 SCANNER 5.3. SCANNER 5.3.1. Exposure Glass H515R003.wmf A: Exposure Glass (2 white clips) 5.3.2. R1/R2 Rollers H515R016.wmf Remove the scanner lower unit first. A: Scanner Lower Unit (5 screws, 1 grounding wire, 3 connectors) B: Scanner Side Cover A (1 screw) C: Scanner Side Cover B (1 screw)
Page 230: Xenon Lamp
December 21st, 1995 REPLACEMENT AND ADJUSTMENT SCANNER H515R503.wmf A: R1 Roller (1 E-ring) B: R2 Roller (1 E-ring) C: Plate (2 screws) Note: If the rollers are removed, the gears and the belt will come off easily. 5.3.3. Xenon Lamp h505r506.wmf A: Xenon Lamp (2 clips, 1 connector) B: Shading Plate (1 tapping screw)
Page 231: Tx Motor
REPLACEMENT AND ADJUSTMENT December 21st, 1995 SCANNER 5.3.4. Tx Motor H515R505.wmf First, remove the scanner lower unit (refer to section 5.3.2), then remove the motor. A: Tx Motor (2 screws, 1 connector) 5.3.5. Mirrors H515R017.wmf First, remove the scanner lower unit (refer to section 5.3.2), then turn it over. A: 1st Mirror (2 clips) B: 2nd Mirror (2 clips) C: 3rd Mirror (2 clips)
Page 232: Stamper
December 21st, 1995 REPLACEMENT AND ADJUSTMENT SCANNER 5.3.6. Stamper H515R018.wmf First, remove the scanner lower unit (refer to section 5.3.2). A: Stamper B: Bracket A (2 tapping screws with grounding wire) C: Bracket B (1 tapping screw) D: Lower Scanner Unit Cover 5-11...
Page 233: Laser Printing Components
REPLACEMENT AND ADJUSTMENT December 21st, 1995 LASER PRINTING COMPONENTS 5.4. LASER PRINTING COMPONENTS 5.4.1. Laser Unit First, remove the clip [A] and disconnect harnesses [B], [C], and [D], then remove the Laser Unit [E]. H515R619.wmf E: Laser Unit (1 clip, 3 connectors, 4 positioning pins) 5-12...
Page 234: Laser Diode Unit And Hexagonal Mirror Motor
December 21st, 1995 REPLACEMENT AND ADJUSTMENT LASER PRINTING COMPONENTS 5.4.2. Laser Diode Unit and Hexagonal Mirror Motor H515R620.wmf A: Laser Unit Cover B: Laser Diode (LD) Unit (2 tapping screws) C: Hexagonal Mirror Motor (3 tapping screws) WARNING Laser beams can cause permanent eye damage. Do not open the laser unit or look along the laser beam path while the main power is on.
Page 235: Development
REPLACEMENT AND ADJUSTMENT December 21st, 1995 DEVELOPMENT 5.5. DEVELOPMENT 5.5.1. Development Unit [B, C] H515R621.wmf Release the clips [B] and [C] and remove the main motor cover [D], then remove the development unit [A]. A: Development Unit (2 clips, 1 connector) Note for reassembly [B’...
Page 236: Transfer Roller
December 21st, 1995 REPLACEMENT AND ADJUSTMENT DEVELOPMENT 5.5.2. Transfer Roller H515R622.wmf A: Transfer Roller (1 gear, 2 spacers) 5.5.3. Main Motor and Gears 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.
Page 237: Toner End Sensor
REPLACEMENT AND ADJUSTMENT December 21st, 1995 DEVELOPMENT 5.5.4. Toner End Sensor H515R507.wmf A: Toner End Sensor (1 connector) 5-16...
Page 238: Replacing The Development Unit
December 21st, 1995 REPLACEMENT AND ADJUSTMENT DEVELOPMENT 5.5.5. Replacing the Development Unit H515R646.wmf A: Development Unit B: Development Roller (Rubber) C: Pin D: Development Roller Gear E, F: Bushings After every 60,000 prints, the following parts have to be replaced. •...
Page 239 REPLACEMENT AND ADJUSTMENT December 21st, 1995 DEVELOPMENT 3. Check the electrical resistance of the following. Charge bias terminals/Zener diode H515R656.wmf A: Bias terminal to the CTM B: Bias terminal from the power pack C, D: Zener diode terminals Criteria A - B: 0 Ω C - D: The resistance varies depending on the voltage applied between the ter- minals.
Page 240 December 21st, 1995 REPLACEMENT AND ADJUSTMENT DEVELOPMENT 4. Install the new development unit into the machine. 5. Install the drum and CTM, and check that the following points are con- nected to the frame ground. • Drum shaft • Main motor bracket •...
Page 241: Fusing
REPLACEMENT AND ADJUSTMENT December 21st, 1995 FUSING 5.6. FUSING 5.6.1. Thermistor H515R624.wmf A: Thermistor Cover (6 hooks) B: Thermistor (1 tapping screw, 1 connector) 5.6.2. Fusing Unit Preparation - Right hand side First, open the fusing exit cover, then remove the sensor assembly [A], bracket [B], and gear [C].
Page 242 December 21st, 1995 REPLACEMENT AND ADJUSTMENT FUSING Preparation - Left hand side Note: Put back the bracket [D] after removing the ground wire [A]. H515R626.wmf A: Fusing Left Cover (1 tapping screw) B: Harness Cover A (1 tapping screw) C: Harness Cover B (1 tapping screw) D: Ground Wire (1 screw) E: Fusing Unit Fulcrum (1 tapping screw) F: Thermistor Harness...
Page 243: Hot Roller Strippers
REPLACEMENT AND ADJUSTMENT December 21st, 1995 FUSING 5.6.3. Hot Roller Strippers H515R628.wmf A: Cleaning Felt B: Hot Roller Strippers (1 spring each) Remove the cleaning felt if it is still in the unit, then remove the strippers. CAUTION Be careful not to lose the springs. 5.6.4.
Page 244: Hot Roller
December 21st, 1995 REPLACEMENT AND ADJUSTMENT FUSING 5.6.5. Hot Roller H515R630.wmf First, remove the tapping screw [A], then remove the tapping screws [B] and [C]. The fusing upper and lower units come apart after the ground plate [D] is released from the upper unit [E]. CAUTION Do not bend the ground plate too much.
Page 245 REPLACEMENT AND ADJUSTMENT December 21st, 1995 FUSING Remove the bracket [A], then remove the hot roller [B]. H515R631.wmf 115V Models A: Bracket (3 screws) B: Hot Roller C: Fusing Lamp Connector (1 screw) H515R653.wmf 220V Models A: Bracket (3 screws) B: Hot Roller 5-24...
Page 246: Pressure Roller
December 21st, 1995 REPLACEMENT AND ADJUSTMENT FUSING 5.6.6. Pressure Roller H515R632.wmf A: Bracket (2 screws) B: Bracket (1 tapping screw) C: Pressure Roller 5.6.7. Thermostat and Thermofuse H515R654.wmf A: Thermostat (2 screws) B: Thermofuse (2 screws) - 220V models only C,D: Terminal Plates for the Thermofuse - 220V models only 5-25...
Page 247: Paper Feed
REPLACEMENT AND ADJUSTMENT December 21st, 1995 PAPER FEED 5.7. PAPER FEED 5.7.1. Paper Feed Motor and Clutch Box H515R634.wmf A: Paper Feed Motor (2 screws) B: Paper Feed Clutch Box (1 clip, 2 screws) 5.7.2. Paper End Sensor First, remove the bracket [A], then remove the sensor [B]. H515R635.wmf A: Bracket (1 screw) B: Paper End Sensor...
Page 248: Paper Feed Rollers, Paper Size Sensor, By-Pass Feed Sensor And Relay Connector
December 21st, 1995 REPLACEMENT AND ADJUSTMENT PAPER FEED 5.7.3. Paper Feed Rollers, Paper Size Sensor, By-pass Feed Sensor, and Relay Connector H515R636.wmf A: Feed rollers (1 screw each) B: Paper size sensor (2 hooks, 1 connector) C: Relay connector to the optional 100 sheet cassette (1 screw, 1 connector) Paper feed rollers [A]: Turn the roller shaft as shown in the diagram, so that the screw heads can seen from the front.
Page 249: Registration Roller And Bypass Feed Sensor Actuator
REPLACEMENT AND ADJUSTMENT December 21st, 1995 PAPER FEED 5.7.4. Registration Roller and Bypass Feed Sensor Actuator H515R637.wmf A: Paper Guide A (4 hooks) B: Paper Guide B (4 hooks) C,D: Springs E: Registration Roller (1 E-ring, 1 gear) F: Bracket (2 tapping screws) G: Guide Plate (5 hooks) H: Bypass Feed Sensor Actuator Registration Roller...
Page 250: Pcbs
December 21st, 1995 REPLACEMENT AND ADJUSTMENT PCBs 5.8. PCBs 5.8.1. PSU H515R026.wmf A: Heat Sink (4 screws) H515R027.wmf B: PSU (4 screws, 2 connectors) 5-29...
Page 251: Ncu, Mfdu, And Mfce
REPLACEMENT AND ADJUSTMENT December 21st, 1995 PCBs 5.8.2. NCU, MFDU, and MFCE H515R639.wmf A: NCU (3 screws) B: MFDU (2 screws) C: MFCE (2 screws) If the machine has a Function Upgrade Card or a Fax On Demand Card installed, the SRAM data in the defective MFCE has to be copied to the new MFCE.
Page 252: Power Pack
December 21st, 1995 REPLACEMENT AND ADJUSTMENT PCBs Harness Connections from the MFDU Paper Feed Motor Fan Motor Power Pack Main Motor Polygonal Stamper Interlock Switch Quenching Lamp Mirror Motor Tx Motor Ozone Fan (+24V) Mechanical Counter Speaker CN15 CN14 CN17 CN74 CN18 CN21...
Page 253: Others
REPLACEMENT AND ADJUSTMENT December 21st, 1995 OTHERS 5.9. OTHERS 5.9.1. Ozone Filter and Fan Motor H515R641.wmf A,B: Ozone Filter Holder (2 screws) C: Ozone Filter D: Fan Motor (1 connector) 5.9.2. Speaker H515R050.wmf A: Speaker (2 screws) 5-32...
Page 254: Sheet Paper Cassette (Optional)
December 21st, 1995 REPLACEMENT AND ADJUSTMENT 100 SHEET PAPER CASSETTE (OPTIONAL) 5.10. 100 SHEET PAPER CASSETTE (OPTIONAL) 5.10.1. Relay Connector and Gear Cover H515R642.wmf A: Harness Cover (2 screws) B: Relay Connector (2 clips) C: Gear Cover (1 screw) 5.10.2. Paper End Sensor and Drive Components H515R643.wmf A: Sensor Stay (1 hook) B: Sensor Cover (2 hooks)
Page 255: Paper Size Sensor
REPLACEMENT AND ADJUSTMENT December 21st, 1995 100 SHEET PAPER CASSETTE (OPTIONAL) 5.10.3. Paper Size Sensor H515R644.wmf A: Paper Guide B: Bottom Plate (2 springs) C: Paper Size Dial (1 clip, 1 spring) D: Paper Size Sensor (2 hooks) 5-34...
Page 256: Sbu Adjustment
December 21st, 1995 REPLACEMENT AND ADJUSTMENT SBU ADJUSTMENT 5.11. SBU ADJUSTMENT 5.11.1. Replacement First, remove the rear cover, then remove the NCU [A], the rear bracket [B], and the SBU [C]. H515R509.wmf A: NCU (3 screws) B: Rear Bracket (3 screws) C: SBU (2 screws) Note: After SBU replacement, the following adjustment procedure must be done.
Page 257: Adjustment
REPLACEMENT AND ADJUSTMENT December 21st, 1995 SBU ADJUSTMENT 5.11.4. Adjustment 1. White Level H515R552.wmf H515R043.wmf ≤ 1.26 V ≥ 0.46 V ≤ B)/A • Fit the adjustment knobs [A] through the SBU slots as shown. • Loosen the SBU securing screws [B]. •...
Page 258 December 21st, 1995 REPLACEMENT AND ADJUSTMENT SBU ADJUSTMENT 2. Focusing (MTF) H515R044.wmf H515R553.wmf • Place the 200 dpi test pattern on the exposure glass. • Remove the lens cover [A] (2 screws). • Loosen the lens securing screw [B]. • Focus the lens [C] so that B in the oscilloscope display is maximized (see the diagram on the upper right) •...
Page 259 REPLACEMENT AND ADJUSTMENT December 21st, 1995 SBU ADJUSTMENT 4. Scan Line H515R047.wmf H515R043.wmf H515R555.wmf • Place the scan line test chart [A] on the exposure glass as shown. • Loosen the SBU securing screws [B]. • Adjust the waveform with the adjusting knobs until it appears as shown in the diagram on the right.
Page 260 December 21st, 1995 REPLACEMENT AND ADJUSTMENT SBU ADJUSTMENT 5. Scan Start Position H515R046.wmf H515R556.wmf • Place the scan line test chart on the exposure glass as shown on the previous page. • Connect the oscilloscope to the test leads as follows: Channel 1 to VIDEO (pin 2 - blue wire), channel 2 to VADJ (pin 1 - red wire), and connect the ground to pin 4 (black wire) •...
Page 261: Image Adjustment
REPLACEMENT AND ADJUSTMENT December 21st, 1995 IMAGE ADJUSTMENT 5.12. IMAGE ADJUSTMENT 5.12.1. Overview This section explains how to adjust various scanning and printing parameters. Among these are the margin parameters shown in the diagram below, which are named in accordance with the table below the diagram. H515R650.wmf Adjustable by Parameters...
Page 262: Scanner Parameters
December 21st, 1995 REPLACEMENT AND ADJUSTMENT IMAGE ADJUSTMENT 5.12.2. Scanner Parameters 1. Contrast Text Mode Halftone Mode Bit Switch Initial Setting Bit Switch Initial Setting Normal Scanner 02 0E(H) Scanner 05 09(H) Lighten Scanner 03 10(H) Scanner 06 0D(H) Darken Scanner 04 0C(H) Scanner 07...
Page 263: Printer Parameters
REPLACEMENT AND ADJUSTMENT December 21st, 1995 IMAGE ADJUSTMENT 5.12.3. Printer Parameters 1. Margins (Main Scan Direction) Initial Parameter Formula Unit Address Setting H515R648.wmf Standard cassette: 4804F5(H) 1st paper feed unit: 4804F6(H) 2nd paper feed unit: 0.5 mm 0A(H) 4804F7(H) 100 sheet cassette: 4804FA(H) Bypass...
Page 264: Margins (Sub Scan Direction)
December 21st, 1995 REPLACEMENT AND ADJUSTMENT IMAGE ADJUSTMENT 2. Margins (Sub Scan Direction) Initial Parameter Formula Unit Address Setting H515R651.wmf Standard cassette: 0.68 00(H) 4804EA(H) 1st paper feed unit: 0.34 0D(H) 4804EB(H) 2nd paper feed unit: 0.34 0D(H) 4804EC(H) 100 sheet cassette: 0.68 05(H)
Page 265: Copy Quality Troubleshooting
December 21st, 1995 TROUBLESHOOTING COPY QUALITY TROUBLESHOOTING 6. TROUBLESHOOTING 6.1. COPY QUALITY TROUBLESHOOTING If there is a copy quality problem that cannot be solved easily, try using the following troubleshooting procedures, while referring to the point-to-point dia- gram. The procedures may not be exhaustive, but they may help you to find the problem.
Page 266: Blank Copies
TROUBLESHOOTING December 21st, 1995 COPY QUALITY TROUBLESHOOTING 6.1.1. Blank Copies Possible Cause (Printer): • Poor drum sensitivity. • Laser optic components are out of position. • The proper bias voltages are not applied to the toner application roller and/or the development roller. •...
Page 267: Black Copies *
December 21st, 1995 TROUBLESHOOTING COPY QUALITY TROUBLESHOOTING 6.1.2. Black Copies * Possible Cause (Scanner) • The scanner lamp, lamp stabilizer, or SBU is not connected or defective. Action: 1. Check if the scanner lamp is connected properly. 2. Check if the scanner lamp or lamp stabilizer is not defective. If one or both of them is (are) found defective, replace it (them).
Page 268: Dirty Background
TROUBLESHOOTING December 21st, 1995 COPY QUALITY TROUBLESHOOTING 6.1.3. Dirty Background H515t607.wmf H515t612.wmf Possible Cause (Scanner) • Scanner shading correction error or wrong threshold. Action: 1. Clean the shading plate. 2. Adjust the scanner contrast threshold settings. Possible Cause (Printer) • Poor drum sensitivity.
Page 269: Uneven Image Density *
December 21st, 1995 TROUBLESHOOTING COPY QUALITY TROUBLESHOOTING 6.1.4. Uneven Image Density * H515t608.wmf H515t612.wmf Possible Cause (Scanner) • Dirty exposure glass or mirrors • SBU position is not aligned to the scan line properly. Action • Clean the scanner exposure glass or mirrors. •...
Page 270: Vertical Black Lines *
TROUBLESHOOTING December 21st, 1995 COPY QUALITY TROUBLESHOOTING 6.1.5. Vertical Black Lines * H515t603.wmf H515t612.wmf Possible Cause (Scanner) • Dirt or dust on the exposure glass or mirrors. • Defective CCD element(s) on the SBU. • Dirty shading plate. Action: 1. Clean the exposure glass, the mirrors, or the shading plate. 2.
Page 271: Horizontal Black Lines
December 21st, 1995 TROUBLESHOOTING COPY QUALITY TROUBLESHOOTING 6.1.6. Horizontal Black Lines H515t610.wmf H515t611.wmf Possible Cause (Printer) • The drum surface is scratched or damaged. • Charge corona leak failure. Action: 1. Check that the surface of the drum is not damaged. •...
Page 272: Vertical White Lines
TROUBLESHOOTING December 21st, 1995 COPY QUALITY TROUBLESHOOTING 6.1.7. Vertical White Lines H515t606.wmf H515t612.wmf Possible Cause (Printer) • The laser optic components are dirty. • The hot roller stripper scrapes off toner from the print paper. Action: • Clean the laser optic components. •...
Page 273: Horizontal White Lines
December 21st, 1995 TROUBLESHOOTING COPY QUALITY TROUBLESHOOTING 6.1.8. Horizontal White Lines H515t609.wmf H515t611.wmf Possible Cause (Printer) • The surface of the development roller is damaged or deformed. • The development bias is not stable. • Transfer current is not stable. Action: 1.
Page 274: Black Dots/Spots *
TROUBLESHOOTING December 21st, 1995 COPY QUALITY TROUBLESHOOTING 6.1.9. Black Dots/Spots * H515t602.wmf Possible Cause (Scanner) • Dust on the exposure glass. Action: • Clean the exposure glass. • Try disabling MTF. Possible Cause (Printer) • The drum surface is damaged (the interval X = approx. 94.2 mm). •...
Page 275: White Spots In Black Image Areas
December 21st, 1995 TROUBLESHOOTING COPY QUALITY TROUBLESHOOTING 6.1.10. White Spots in Black Image Areas H515t601.wmf Possible Cause (Printer) • The drum surface is damaged (this is likely if the dots appear at 94.2 mm intervals). • The development roller surface is damaged (this is likely if the dots ap- pear at 62.8 mm intervals).
Page 276: Faint Copies *
TROUBLESHOOTING December 21st, 1995 COPY QUALITY TROUBLESHOOTING 6.1.11. Faint Copies * H515t604.wmf H515t612.wmf Possible Causes (Scanner) • Dirty shading plate and/or exposure glass • Incorrect scan threshold setting • Defective scanner lamp or SBU Action: • Clean shading plate. • Adjust the scan threshold settings.
Page 277 December 21st, 1995 TROUBLESHOOTING COPY QUALITY TROUBLESHOOTING Action: 1. Check whether the toner saving feature has not been selected with the user parameters. (If it has been selected, there is no problem.) 2. Print a test pattern, and open the cover in the middle of printing. 3.
Page 278: Vertical Black Band
TROUBLESHOOTING December 21st, 1995 COPY QUALITY TROUBLESHOOTING 6.1.12. Vertical Black Band H515t605 H515t612 Possible Cause (Printer) • Dirty charge corona wire. • The toner metering blade is deformed, damaged, or incorrectly posi- tioned. Action: • Clean the charge corona wire. The wire cleaner is on the CTM. •...
Page 279: Unfused Copies
December 21st, 1995 TROUBLESHOOTING COPY QUALITY TROUBLESHOOTING 6.1.13. Unfused Copies Possible Cause (Printer) • The thermistor is defective. • The fusing pressure roller spring mechanism is defective. • The wrong type of toner is being used. • A non-recommended type of paper is being used. Action: 1.
Page 280: Toner On The Back Of The Printer Paper
TROUBLESHOOTING December 21st, 1995 COPY QUALITY TROUBLESHOOTING 6.1.15. Toner on the Back of the Printer Paper Possible Cause (Printer) • Dirty transfer roller • Dirty fusing pressure roller Action: 1. Check if the transfer roller is dirty with toner or not. •...
Page 281: Misaligned Output (Data Shifted To The Right Or Left)
December 21st, 1995 TROUBLESHOOTING COPY QUALITY TROUBLESHOOTING 6.1.16. Misaligned Output (Data shifted to the right or left) Possible Cause (Scanner) • Incorrect setting of the document guide. Action: • Align each side of the document to the document guides. Possible Cause (Printer) •...
Page 282: Mechanical Problems
TROUBLESHOOTING December 21st, 1995 MECHANICAL PROBLEMS 6.2. MECHANICAL PROBLEMS 6.2.1. ADF/Scanner 1. Non Feed * Possible Cause: • An incorrect type or size of document is used. • The operation panel is not properly closed. • The pick-up and feed rollers are dirty or worn out. •...
Page 283 December 21st, 1995 TROUBLESHOOTING MECHANICAL PROBLEMS 2. Jam Possible Cause: • An incorrect type or size of document is used. • The document is too long. • The scanner rollers (pick-up, feed, R1, and R2 rollers) are dirty. • Obstruction in the document paper path. •...
Page 284: Skew
TROUBLESHOOTING December 21st, 1995 MECHANICAL PROBLEMS 3. Skew Possible Cause: • An incorrect type or size of document is used. • The document guide is not properly set. • The operation panel is not properly closed. • The scanner rollers (pick-up, feed, R1, and R2 rollers) are dirty. •...
Page 285: Printer
December 21st, 1995 TROUBLESHOOTING MECHANICAL PROBLEMS 6.2.2. Printer 1. Non-feed * Possible Cause: • A non-recommended type of paper is being used. • The paper cassette end fence is not properly set. • The paper lift mechaninsm (slide lock) is not working properly. •...
Page 286: Paper Jam - Inside The Printer *
TROUBLESHOOTING December 21st, 1995 MECHANICAL PROBLEMS 2. Paper Jam - Inside the Printer * Possible Cause: • A non-recommended type of paper is being used. • The paper end fence and/or the paper guides in the cassette is not prop- erly set.
Page 287: Jam - Fusing Exit
December 21st, 1995 TROUBLESHOOTING MECHANICAL PROBLEMS 3. Jam - Fusing Exit Possible Cause: • A non-recommended type of paper is being used. • Obstruction in the paper path. • The registration sensor is defective. • Malfunction in the fusing drive mechanism. •...
Page 288: Skew
TROUBLESHOOTING December 21st, 1995 MECHANICAL PROBLEMS 4. Skew Possible Cause: • A non-recommended type of paper is being used. • Incorrect positioning of the paper guides in the paper cassette. • The corner separators are out of position. • The paper feed rollers are worn out or damaged. •...
Page 289: Multi-Feed
December 21st, 1995 TROUBLESHOOTING MECHANICAL PROBLEMS 5. Multi-feed Possible Cause: • A non-recommended type of paper is being used. • Incorrect positioning of the paper guides and/or end fence in the paper cassette. Action: • Check if a correct type of paper is being used. •...
Page 290 TROUBLESHOOTING December 21st, 1995 SERVICE CALL CONDITIONS * 6.3. SERVICE CALL CONDITIONS * If the Call Service indicator is lit, one of the following conditions has occurred. Symptom Error Code Sub-code SC-code Charge leak current detected while the charge 9-17 1-11 corona unit was activated.
Page 291 December 21st, 1995 TROUBLESHOOTING SERVICE CALL CONDITIONS * Symptom: Charger Leak (Error Code 9-17) * This error occurs in either of the following conditions: • If MFDU CN21-8 stayed low for 3 s or more while the charge corona is on (sub-code 11) •...
Page 292 TROUBLESHOOTING December 21st, 1995 SERVICE CALL CONDITIONS * Symptom: Fusing Unit Failure (Error Code 9-22) * This error occurs in any of the following conditions: • During printing: If the fusing lamp stays above 190 °C for more than 60 s (sub-code 01) •...
Page 293 December 21st, 1995 TROUBLESHOOTING SERVICE CALL CONDITIONS * Symptom: Polygonal Mirror Motor Failure (Error Code 9-23) * This error occurs in either of the following conditions: • If MFDU CN14-4 does not go low within 10 s of the polygonal mirror motor being switched on (sub-code 31) •...
Page 294: Error Codes *
TROUBLESHOOTING December 21st, 1995 ERROR CODES * 6.4. ERROR CODES * If an error code occurs, retry the communication. If the same problem occurs, try to fix the problem as suggested below. Note that error codes 4-00, 01, 02, and 10 only appear in the error code display and on the service report. Code Meaning Suggested Cause/Action...
Page 295 December 21st, 1995 TROUBLESHOOTING ERROR CODES * Code Meaning Suggested Cause/Action 0-07 No post-message Check the line connection. response from the other Check the MFDU - NCU connectors. end after a page was sent Replace the NCU or MFCE. The other end may have jammed or run out of paper. The other end user may have disconnected the call.
Page 296 TROUBLESHOOTING December 21st, 1995 ERROR CODES * Code Meaning Suggested Cause/Action 0-20 Facsimile data not Check the line connection. received within Check the MFDU - NCU connectors. 6 s of retraining Replace the NCU or MFCE. Check for line problems. Try calling another fax machine.
Page 297 December 21st, 1995 TROUBLESHOOTING ERROR CODES * Code Meaning Suggested Cause/Action 0-30 The other terminal did Check the line connection. not reply to NSS(A) in AI Check the MFDU - NCU connectors. short protocol mode Try adjusting the tx level and/or cable equalizer settings.
Page 298 TROUBLESHOOTING December 21st, 1995 ERROR CODES * Code Meaning Suggested Cause/Action 2-12 Modem clock irregularity Replace the MFCE. 2-20 Abnormal Replace the MFCE. coding/decoding (cpu not ready) 2-50 The machine reset itself If this is frequent, replace the MFCE. 3-00 G4 interface board reset Replace the G4 interface board or MFCE.
Page 299 December 21st, 1995 TROUBLESHOOTING ERROR CODES * Code Meaning Suggested Cause/Action 4-83 Skew was detected Check the ADF mechanisms. before scanning the Check if a photocopy of the sheet was used. OMR data field Check if a cut-off portion of the sheet was used. Check if any adhesive tapes on the sheet.
Page 300 TROUBLESHOOTING December 21st, 1995 ERROR CODES * Code Meaning Suggested Cause/Action 6-05 G3 ECM - facsimile data Check the line connection. frame not received within Check connections from the NCU to the MFDU. 18 s of CFR, but there Check for a bad line or defective remote terminal. was no line fail Replace the MFCE, MFDU or NCU.
Page 301 December 21st, 1995 TROUBLESHOOTING ERROR CODES * Code Meaning Suggested Cause/Action 9-22 Fusing lamp failure If the problem persists, replace the MFDU. Cross reference Fusing lamp failure - Section 6-3 9-23 Hexagonal mirror motor If the problem persists, replace the MFDU. failure Cross reference Mirror motor failure - Section 6-3...
Page 302: Electrical Component Defects
TROUBLESHOOTING December 21st, 1995 ELECTRICAL COMPONENT DEFECTS 6.5. ELECTRICAL COMPONENT DEFECTS 6.5.1. Defective Sensor Table * Sensor Symptoms if Defective Document sensor "CLEAR ORIGINAL" or "DIAL FAX NO" is displayed at power-up. "SET DOCUMENT" is still displayed after a document is placed in the feeder. Scan line sensor "CLEAR ORIGINAL"...
Page 303: Fuses
December 21st, 1995 TROUBLESHOOTING ELECTRICAL COMPONENT DEFECTS Sensor Symptoms if Defective Jam release cover switch - Paper feed unit Cover open is not detected. type S ”CLOSE COVER” is displayed. 6.5.2. Fuses The only service-replaceable fuses are the following. Fuse Symptoms if Defective PSU - F1/ F2/F3 No power to the machine...
Page 304 Symbol Table Point-to-Point Diagram Point-to-Point Diagram AC Line DC Line Issued on: October 6th, 1995 Signal Direction Model: FX4 (FAX4700L) Model: FX4 (FAX4700L) Revision 1.0 Active High Subject to change Active Low Voltage +24V Fusing Lamp ON [ COM3 Power to the Fusing Lamp ON [...

Ricoh FAX4700L Service Manual

Overall Machine Information

Specifications

Features

Component Layout

Overall Machine Control

Video Data Path

Printing

Pcbs

Installation

Installing the Machine

Initial Programming

Installing Optional Units

Bit Switches

5.2. Adf . . . . . . . . . . . . . . . . . . . . . . . . 5-5

Laser Printing Components

5.5. Development . . . . . . . . . . . . . . . . . . . 5-14

Sbu Adjustment

Image Adjustment

6 Troubleshooting

Copy Quality Troubleshooting

Quick Links

SERVICE MANUAL

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Summary of Contents for Ricoh FAX4700L