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Ricoh J2SS-C3 Service Manual

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J2SS-C3
(Machine Code: B047/B048)
Service Manual
– Insert Version –
The B047/B048 machines are based on the A163/A251/A252 copiers.
Only the differences from the base copier are described in the following pages.
Therefore, this documentation should be treated as an insert version of the base
copier's service manual. It should always be utilized together with the base
copier's service manual.

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  • Page 1 J2SS-C3 (Machine Code: B047/B048) Service Manual – Insert Version – The B047/B048 machines are based on the A163/A251/A252 copiers. Only the differences from the base copier are described in the following pages. Therefore, this documentation should be treated as an insert version of the base copier’s service manual.
  • Page 2 INSERTION PROCEDURE OF SERVICE MANUAL 1. Replace the book spine tag with the new one. 2. Insert the B047/B048 service manual after the A163/A251/A252 manual.
  • Page 3 IMPORTANT SAFETY NOTICES PREVENTION OF PHYSICAL INJURY 1. Before disassembling or assembling parts of the copier and peripherals, make sure that the copier power cord is unplugged. 2. The wall outlet should be near the copier and easily accessible. 3. Note that some components of the copier and the peripherals are supplied with electrical voltage even if the main switch is turned off.
  • Page 4 SAFETY AND ECOLOGICAL NOTES FOR DISPOSAL 1. Do not incinerate the toner cartridge or the used toner. Toner dust may ignite suddenly when exposed to open flame. 2. Dispose of used toner, developer, and organic photoconductors according to local regulations. (These are non-toxic supplies.) 3.

  • Page 5: Table Of Contents

    TABLE OF CONTENTS This manual describes new items for the J2SS-C3 (B047/B048). Please refer to the J2SS Mark II (A251/A252) manual for the descriptions marked with “*” in page column. 1. OVERALL MACHINE INFORMATION ........1-1 1.1 SPECIFICATIONS..................1-1 1.2 PAPER PATH....................1-3 1.3 DRUM PROCESSES ................
  • Page 6 2.5.1 PRE-TRANSFER LAMP (PTL) ............* 2.5.2 IMAGE TRANSFER................. * 2.5.3 PAPER SEPARATION ..............* 2.5.4 PICK-OFF MECHANISM ..............* 2.5.5 T/S CORONA CIRCUIT..............* 2.6 CLEANING ....................* 2.6.1 OVERVIEW ..................* 2.6.2 USED TONER COLLECTION ............2-6 2.7 QUENCHING.................... * 2.8 FUSING AND PAPER EXIT ..............2-7 2.8.1 OVERVIEW ..................2-7 2.8.2 DRIVE MECHANISM...............
  • Page 7 4. SERVICE TABLES..............4-1 4.1 PREVENTIVE MAINTENANCE SCHEDULE ........... * 4.1.1 PM TABLE..................* 4.1.2 REGULAR PM PROCEDURE ............* 4.2 SERVICE TABLES ................... * 4.2.1 TEST POINTS ................. * Main Board ..................* Charge/Bias/Grid Power Pack ............. * 4.2.2 VARIABLE RESISTORS ..............* Charge/Bias/Grid Power Pack .............
  • Page 8 5.1.2 RIGHT SIDE COVER REMOVAL ............ * Right Upper Cover ................* Right Lower Front, Right Lower Middle, and Right Lower Rear Covers..................* 5.1.3 REAR COVER REMOVAL .............. * Rear Cover ..................* 5.2 OPTICS ....................* 5.2.1 ORIGINAL FEED UNIT REMOVAL (A252 ONLY)......* 5.2.2 EXPOSURE GLASS REMOVAL (A252 ONLY).......
  • Page 9 Transfer Corona Wire Replacement ............ * 5.7 OTHERS ....................* 5.7.1 OZONE FILTER REPLACEMENT........... * 5.7.2 ANTICONDENSATION HEATER INSTALLATION......* 5.8 COPY QUALITY ADJUSTMENT ...............5-4 5.8.1 LIGHT SENSOR ADJUSTMENT ............. * 5.8.2 IMAGE BIAS ADJUSTMENT............* 5.8.3 TONER DENSITY ADJUSTMENT........... * 5.8.4 REGISTRATION ADJUSTMENT............5-4 6.
  • Page 10 2. DETAILED SECTION DESCRIPTIONS ........ B436-3 2.1 MECHANICAL OPERATION .............. B436-3 2.1.1 BASIC OPERATION..............B436-3 2.1.2 ROLL EDITION DETECTION ............ B436-5 2.1.3 DRIVE MECHANISM..............B436-5 2.1.4 CUTTER OPERATION .............. B436-6 3. REPLACEMENT AND ADJUSTMENT........B436-7 3.1 CUTTER UNIT REPLACEMENT............B436-7 3.2 ROLL FEED LEADING EDGE SENSOR REPLACEMENT....

  • Page 11: With "*" In

    11 May, 2001 SPECIFICATIONS 1. OVERALL MACHINE INFORMATION 1.1 SPECIFICATIONS Configuration: Table top Copy Process: Electrostatic transfer system Original Feed: Sheet feed Original Size: Maximum: 914 x 3,000 (36" x 118")mm Minimum: A4 (8 " x 11") lengthwise Copy Size: Same as “Original Size”...
  • Page 12 SPECIFICATIONS 11 May, 2001 Self-diagnostic Codes: 16 codes, displayed on the copy counter Power Source: 115 V/60 Hz, 12 A 220 ~ 240V/50, 60 Hz, 7A Power Consumption: Maximum: 1.4 kW Warm-up: 1.3 kW Ready: 0.04 to 1.3 kW Copy cycle: 1.4 kW Dimensions (W x D x H): B047: 1,080 x 570 x 490 mm 42.5"...

  • Page 13: Paper Path

    11 May, 2001 PAPER PATH 1.2 PAPER PATH - B047 copier - - B048 copier - B047V102.WMF B048V102.WMF A: Original Path B: Manual Feed Path C: Roll Feeder Path D: Paper Exit E: Original Path: Rear Feeder There are two versions of this machine. The B047 is the basic version. It can only make one copy at a time.

  • Page 14: Mechanical Components

    MECHANICAL COMPONENTS 11 May, 2001 1.4 MECHANICAL COMPONENTS 20 21 22 B047V101.WMF 1. 1st Original Feed Roller 12. Roll Feed Unit (1 roll or 2 rolls) 2. 1st Press Rollers 13. Roll Paper 3. Copy Tray 14. Paper Registration Rollers 4.
  • Page 15 11 May, 2001 MECHANICAL COMPONENTS B048V101.WMF 23. Original Guide 27. Original Roller Feed Motor 24. Optional Copy Tray 28. Original Rear Press Roller 25. Original Entrance Roller 29. Original Rear Roller 26. Original Entrance Press Roller...

  • Page 16: Electrical Components

    ELECTRICAL COMPONENTS 11 May, 2001 1.6 ELECTRICAL COMPONENTS Refer to the electrical component layout on the reverse side of the Point to Point index (Water proof paper). Name Function Index. No. Motors Main Drives all mechanical components except the fans (DC Motor).
  • Page 17 11 May, 2001 ELECTRICAL COMPONENTS Name Function Index. No. Printed Circuit Boards Main Controls all copier functions both directly and through other PCBs. Converts the voltage from AC to DC voltage. AC Drive Provides AC power to the fusing lamp and PSU. FL Regulator Stabilizes power to the exposure lamp.

  • Page 18: Detailed Section Descriptions

    11 May, 2001 EXPOSURE 2. DETAILED SECTION DESCRIPTIONS 2.3 EXPOSURE 2.3.2 PAPER AND ORIGINAL FEED (B048 ONLY) 26 mm 10 mm J: Original Rear Roller K: Original Rear Sensor L: Fiber Optics Array B047D500.WMF B047D501.WMF NOTE: For clarity’s sake, the following description will refer to the paper’s edges as edge [A] (furthest edge from the operator) and edge [B] (closest to the operator).

  • Page 19: Scanning

    EXPOSURE 11 May, 2001 4 seconds after the sensor is activated, the original feed motor starts rotating. This delay gives the user time to align edge [A] against the original entrance rollers [D]. This helps prevent skew. The original is fed through the machine to the scanning start position [E]. This machine scans the original backwards, starting with edge [B] and scanning towards edge [A].

  • Page 20: Start Key Enable

    11 May, 2001 EXPOSURE Start Key Enable When the start key enabled (SP34) is set, the start key acts as a starting trigger. In this mode, when the original activates the original registration sensor, edge [B] is delivered to the original registration sensor position. Everything pauses until the user presses the start key.

  • Page 21: Toner Density Control

    DEVELOPMENT 11 May, 2001 2.4 DEVELOPMENT 2.4.4 TONER DENSITY CONTROL The toner supply amount ratio is determined by the following conditions. 51 ~ 100 101 ~ 150 151 ~ 200 201 ~ 250 0 ~ 50 sheets 251 sheets ~ sheets sheets sheets...

  • Page 22: Recovery From Toner End Condition

    11 May, 2001 DEVELOPMENT Recovery from Toner End Condition After replacing the toner cartridge (opening and closing the original feed unit), the main motor rotates the development unit for 60 seconds. During the first 30 seconds, toner is supplied at 100% of the supply amount until TS level reaches 3. The main motor continues to rotate the development unit for another 30 seconds.
  • Page 23 CLEANING 11 May, 2001 2.6 CLEANING 2.6.2 USED TONER COLLECTION B047D101.WMF B047/B048 copiers have a used toner overflow sensor [A] and a used toner cover switch [B]. When the used toner overflow sensor detects that the used toner tank is full, the overflow indicator begins blinking on the operation panel.
  • Page 24 11 May, 2001 FUSING AND PAPER EXIT 2.8 FUSING AND PAPER EXIT 2.8.1 OVERVIEW B047D102.WMF Two thermofuses [A] (184°C, 192°C) keep the fusing unit from overheating. Two thin-film thermistors measure the hot roller and pressure roller’s temperature. The hot roller is a thin-shell, Teflon coated roller. The thinner roller allows a much- shorter warm-up time.
  • Page 25 FUSING AND PAPER EXIT 11 May, 2001 2.8.3 TEMPERATURE CONTROL Hot Roller Temperature Control Hot Roller Temp. (°C) Mode 8 Mode 7 Mode 6 Mode 5 Mode 4 Mode 3 Mode 2 Mode 1 63 66 69 72 75 78 81 84 87 90 93 96 99 102 105 108 111 114 117 120~ Pressure Roller Temp.
  • Page 26 11 May, 2001 ENERGY STAR COMPLIANT MACHINES (ALL THE DESTINATION) 2.10 ENERGY STAR COMPLIANT MACHINES (ALL THE DESTINATION) In conjunction with the modification for the Energy Star compliance, field technicians need to understand the new operation modes, and must be able to configure the machine for the customer’s specific environment/requirements.
  • Page 27 11 May, 2001 INSTALLATION REQUIREMENTS 3. INSTALLATION 3.1 INSTALLATION REQUIREMENTS 3.1.1 ENVIRONMENT 1. Temperature Range: 15°C to 30°C (50°F to 86°F) 2. Humidity Range: 20% to 80% RH 3. Ambient Illumination: Less than 1,500 lux (do not expose to direct sunlight).
  • Page 28 INSTALLATION REQUIREMENTS 11 May, 2001 3.1.2 MINIMUM SPACE REQUIREMENTS Back 600 mm Left Right 600 mm 600 mm Front 1,000 mm B047I505.WMF 1. Front: 1,000 mm (39 in) 2. Back: 600 mm (24 in) 3. Right: 600 mm (24 in) 4.
  • Page 29 11 May, 2001 INSTALLATION REQUIREMENTS 3.1.4 POWER SOURCE Important: The machine must be installed in a building/facility equipped with a protective device such as a circuit breaker, as the machine relies on such devices for protection against over-current and short circuits. 1.
  • Page 30 INSTALLATION PROCEDURE 11 May, 2001 3.2 INSTALLATION PROCEDURE 3.2.1 COPIER Accessory Check Check the accessories and their quantities according to the following list: - B048 copier - Original Guides ................ 6 pcs Operating Instruction Holder............ 1 pc Operating Sheet ..............1 pc Caution Decal (-27 only) ............
  • Page 31 11 May, 2001 INSTALLATION PROCEDURE B047I024.WMF Preparation for the B047 copier on the roll feeder. When B047 copier is placed on the roll feeder, first remove the lower front cover [A] and the manual feed table [B] for installation. 1. Remove the lower front cover [A] (2 screws), reinforcement plate [C] (1 screw), bracket [D] (4 screws) (which is hung by the harness), and the manual feed table [B].
  • Page 32 INSTALLATION PROCEDURE 11 May, 2001 - B047 model - - B048 model - B047I500.WMF B048I502.WMF NOTE: The installation procedures are not shipped with the copier, always bring this manual with you. CAUTION 1. Unplug the power cord before performing the following procedures. 2.
  • Page 33 11 May, 2001 INSTALLATION PROCEDURE B047I001.WMF B047I103.WMF B047I104.WMF B047I105.WMF 3. Remove all the tape strips [A] as shown. 4. Open the original feed unit [B]. 5. Remove the cushion [C] and close the original feed unit. 6. Release the lock levers [D] and open the paper path section [E]. 7.
  • Page 34 INSTALLATION PROCEDURE 11 May, 2001 B047I503.WMF B047I504.WMF 11. Open the original feed unit [A], manual feed table [B], and toner supply cover [C]. Remove the sheet [D] covering the developer entrance. Pour 1 kg of the developer [E] into the development unit evenly across its width as shown. NOTE: Close the paper path section before opening the toner supply cover.
  • Page 35 11 May, 2001 INSTALLATION PROCEDURE B435I508.WMF NOTE: If the fusing temperature is lower than 60°C when the main switch is turned on, the main motor must rotate to generate a triboelectric charge on the developer and toner. However, to prevent damage to the hot roller, the main motor will wait until the hot roller’s temperature reaches 80°C before rotating.
  • Page 36 INSTALLATION PROCEDURE 11 May, 2001 B435I508.WMF 17. To enter the SP mode, press the following keys on the operation panel: Clear key [A] + key [B] – key [C] Clear/Stop key [D] Clear/Stop key [D] again and hold for at least 3 seconds. 18.
  • Page 37 11 May, 2001 INSTALLATION PROCEDURE B047I507.WMF 20. Install the toner cartridge [A] as shown. 1) Shake the cartridge 5 to 10 times and insert it into the toner hopper. 2) Peel off the green tape [B] from right to left to expose the clear tape and toner supply holes.
  • Page 38 INSTALLATION PROCEDURE 11 May, 2001 B047I506.WMF B047I509.WMF B048 copier only (step 21) 21. Install the original guides [A] and original guide wire [B]. B047 copier only (step 22 and 23) 22. Attach the guide wires [C] to the copy tray [D]. 23.
  • Page 39 11 May, 2001 INSTALLATION PROCEDURE 3.2.2 TABLE (B439) Accessory Check Check the accessories and their quantities according to the following list: Top Plate ................1 Left Side Plate ................ 1 Right Side Plate ..............1 Middle Plate ................1 Rear Cover ................1 Screws with Spring Washers –...
  • Page 40 INSTALLATION PROCEDURE 11 May, 2001 B439I500.WMF B439I551.WMF 1. Loosely install the top plate [A], left [B], and right side plate [C] (6 screws). 2. Turn the table up-side down. Be sure to rotate it as shown in the illustration. 3. Install the middle plate [D] and rear cover [E] (4 screws each). 4.
  • Page 41 11 May, 2001 INSTALLATION PROCEDURE 3.2.3 COPY TRAY (B440) Accessory Check Check the accessories and their quantities against the following list: Copy Tray Stay ................ 1 Copy Tray Support..............1 Copy Tray Guides..............2 Copy Tray Sheets (with rubber pads) ........3 Rear Copy Trays..............
  • Page 42 INSTALLATION PROCEDURE 11 May, 2001 B440I117.WMF B440I118.WMF B440I121.WMF B440I119.WMF 1. Place the copy tray stay [A] under the copy tray as shown. 2. Adhere the copy tray sheets (the Mylar strips with rubber pads) [B] to the table’s middle plate [C]. Make sure the center copy tray sheets is positioned between the screw holes [D] on the copy tray as shown.
  • Page 43 11 May, 2001 INSTALLATION PROCEDURE 10±5mm 0±5mm 10±5mm 0±2mm B440I114.WMF B440I113.WMF B440I116.WMF 0±2mm B440I115.WMF 5. Remove the rear cover [A] (2 screws). 6. Attach the rear copy tray sheets [B] and the tray sheet guides [C] to the rear cover as shown. 7.
  • Page 44 INSTALLATION PROCEDURE 11 May, 2001 B440I120.WMF 60±10mm 60±10mm 80±10mm B440I123.WMF 8. Hook the rear copy trays [A] onto the copy tray stay [B]. 9. Attach the copy tray stoppers [C] onto the bottom of the middle plate [D]. 3-18...
  • Page 45 11 May, 2001 INSTALLATION PROCEDURE 3.2.4 ROLL FEEDER1 AND 2 (B435/B436) Accessory Check Check the accessories and their quantities according to the following list: Harness Covers ............... 2 pcs Ground Plates................2 pcs Roll Feeder Drive Board ............1 pc Left Joint Bracket ..............
  • Page 46 INSTALLATION PROCEDURE 11 May, 2001 B047I024.WMF Preparation for the B047 copier on the roll feeder. When B047 copier is placed on the roll feeder, first remove the lower front cover [A] and the manual feed table [B] for installation. 1. Remove the lower front cover [A] (2 screws), reinforcement plate [C] (1 screw), bracket [D] (4 screws) (which is hung by the harness), and the manual feed table [B].
  • Page 47 11 May, 2001 INSTALLATION PROCEDURE B436I102.WMF CAUTION 1. Unplug the main machine’s power cord before starting the following procedure. 2. Before starting the installation, make sure the machine is level. 3. The copier is very heavy (85 kg, 187 lbs). To avoid serious injury, make sure that you have a sufficient number of people to assist you.
  • Page 48 INSTALLATION PROCEDURE 11 May, 2001 B435I507.WMF B435I506.WMF 3. Release the lock lever [A] and open the copier paper path section [B]. 4. Remove the copier’s left lower cover [C] (2 screws), lower right front cover [D] (2 screws), lower right middle cover [E], and toner collection bottle [F] (1 connector).
  • Page 49 11 May, 2001 INSTALLATION PROCEDURE B435I105.WMF B435I101.WMF B435I104.WMF B435I127.WMF 5. Pull out the paper tray [A] and install the left [B] and right [C] joint brackets (2 screws each: blue). 6. Remove the paper tray stopper [D] (1 screw). NOTE: After the copier has been placed on the roll feeder, the paper tray can be pulled out and the paper tray stopper can be removed.
  • Page 50 INSTALLATION PROCEDURE 11 May, 2001 B435I106.WMF B435I122.WMF B435I124.WMF B435I108.WMF B435I110.WMF 8. Remove the roll feeder’s rear cover [A] (6 screws). 9. Remove the copier’s rear cover [B] (2 screws). 10. Remove the small caps [C] from the copier’s rear cover using cutting pliers. 11.
  • Page 51 11 May, 2001 INSTALLATION PROCEDURE B435I107.WMF B435I109.WMF B435I125.WMF 13. Install the grounding plates [A] (1 screw for each: M4x8). 14. Secure the grounding wire [B] (1 screw: M4x8 with a spring washer) to the copier. NOTE: To ensure proper grounding, tighten the ground wire’s screws until the spring washer is completely flat.
  • Page 52 INSTALLATION PROCEDURE 11 May, 2001 B436I103.WMF B435I111.WMF [C, D] B435I112.WMF 19. Hook the guide plate [A] on the copier and then secure it (2screws: M4x8). 20. Install the front joint cover [B] (2 screws: M3x6 with flat washers). 21. Reassemble the copier. 22.
  • Page 53 11 May, 2001 INSTALLATION PROCEDURE B435I508.WMF Length PRG. PRG. 1100 Temperature NORMAL 23. Plug in the power supply cord and turn on the main switch. 24. To enter the SP mode, press the following keys on the operation panel: Clear Modes key [A] + key [B] –...
  • Page 54 INSTALLATION PROCEDURE 11 May, 2001 3.2.5 ROLL CUTTING RAIL (B437) The installation is identical to that of the A163 copier’s roll cutting rail (A570). Please refer to the A163 service manual for details. The roll cutting rail and the roll feeder cannot both be installed on the same machine at the same time.
  • Page 55 11 May, 2001 SERVICE TOOLS 4. SERVICE TABLES 4.3 SERVICE TOOLS 4.3.1 SERVICE PROGRAM MODE Service Program Mode Table 1. A “*” before the mode number means that the mode can be accessed by customers or sales representative. 2. In the data column, the default value is printed in bold letters. The default settings for several items depend on the machine destination (refer to page 4-28.).
  • Page 56 SERVICE TOOLS 11 May, 2001 Mode No. Function Data Leading Edge This sets the speed at which the Changes every: Increase/Decrease leading edge setting increases or 0: 0.1 second Speed Setting decreases. 1: 0.50 second 2: 0.25 second When the customer holds down the + 3: 0.05 second or –...
  • Page 57 11 May, 2001 SERVICE TOOLS Mode No. Function Data –1.0 ← 0.0 → 1.0 Length Size Adjusts the speed of the original feed Magnification motor (B048 copier only). Shorter Longer The setting can be changed by the key operation. 0: Pressing the roll Semi-synchro Cut Sets the cutting method for semi- paper cut key...

  • Page 58: Development Bias

    SERVICE TOOLS 11 May, 2001 Mode No. Function Data New Developer Carries out the new developer If the initialization is Initialization initialization for 5 minutes. The canceled before returning machine counts down the remaining to the normal operating time on the display. After the mode, do it again from the initialization, the machine automatically beginning.
  • Page 59 11 May, 2001 SERVICE TOOLS Mode No. Function Data Roll Feeder Cutting Adjusts the cutting length of 300 mm in 0: Standard –9.9 ← 0 → 9.9 mm Length Adjustment the plain paper mode. (300 mm, Plain When this value is changed, the values Longer Shorter Paper)
  • Page 60 SERVICE TOOLS 11 May, 2001 Mode No. Function Data Roll Feeder Cutting Adjusts the cutting length of 1,100 mm 0: Standard –50 ← 0 → 50 mm Length Adjustment in the plain paper mode. (1,100 mm, Plain Longer Shorter When this value is changed, the values Paper) for SP46 and SP47 are automatically changed according to the following...
  • Page 61 11 May, 2001 SERVICE TOOLS Mode No. Function Data Toner Overflow Determines the maximum copy length 0: 30 m Detection Setting that can be made after the toner near overflow condition has been detected. 2: 53 m 3: 77 m 4: 100 m 5: 142 m tF=XX,XXX (Beeper)
  • Page 62 SERVICE TOOLS 11 May, 2001 Mode No. Function Data Emergency Stop Determines how the emergency stop 0: Only original drive Key Function key functions. 1: Original, main motor, Setting roll feed drives. When set to 0, the emergency stop key only stops the original drive.
  • Page 63 11 May, 2001 SERVICE TOOLS Mode No. Function Data Special Toner In the energy saver mode, 10% toner 0: No Supply Mode supply is done while the “Emergency 1: Special Toner Supply Stop” key is pressed. Toner sensor Mode voltage is displayed on the “Paper Length”...
  • Page 64 SERVICE TOOLS 11 May, 2001 Mode No. Function Data Toner Counter Displays the total length of copies (in = XX,XXX Display meters) on the current toner cartridge This counter is automatically cleared when a new toner cartridge is installed. Toner Supply Level Indicates the present toner sensor = ab - - c Indication...
  • Page 65 11 May, 2001 SERVICE TOOLS Mode No. Function Data Misfeed Record Displays the locations of the last five J1 = XX (Last jam) ↓ Display misfeeds. Locations are displayed one at a time. J2 = XX (1 before the last jam) ↓...
  • Page 66 SERVICE TOOLS 11 May, 2001 Mode No. Function Data RAM Clear Clears selected data items from the 0: Not Used RAM. 1: Machine Operation To clear the memory, input the number (The memory for of the item you want to delete, then SP67) press the "...
  • Page 67 11 May, 2001 SERVICE TOOLS Mode No. Function Data RAM Clear Clears selected data items from the 21: Clear all the memory RAM. and change the To clear the memory, input the number settings to the U.S.A. of the item you want to delete, then version press the "...
  • Page 68 SERVICE TOOLS 11 May, 2001 Mode No. Function Data Hot Roller Change the hot roller temperature 0: Standard –9 ← 0 → 9°C Temperature setting. Adjustment Decrease Increase Pressure Roller Change the pressure roller 0: Standard –9 ← 0 → 9°C Temperature temperature setting.
  • Page 69 11 May, 2001 SERVICE TOOLS Mode No. Function Data Separation AC Determines the AC separation corona 170: Standard 130 ← 170 → 220 Voltage setting voltage. In this mode, the separation corona High can be turned on and off using the Copy Media key.
  • Page 70 SERVICE TOOLS 11 May, 2001 Mode No. Function Data Bias Voltage for Determines the development bias 4: Standard 0 ← 4 → 8 Non-image Area voltage for the non-image area. Setting In this mode, the bias voltage can be High turned on and off using the Copy Media key.
  • Page 71 11 May, 2001 SERVICE TOOLS Mode No. Function Data –100 ← 10 → 100 Length Size The fusing roller’s speed is slightly Magnification higher than the drum speed. Shorter Longer Compensation on The speed of the copy paper transport –2.5% +2.5% Leading Edge will increase slightly after the leading...
  • Page 72 SERVICE TOOLS 11 May, 2001 Mode No. Function Data –9.9 ← 0 → 9.9 Synchro-cut Length Adjusts the original cut length in Auto Adjustment Synchro Cut mode based on a 297 1 step = 0.1 mm (297 mm) mm sheet (standard length). Insert the 297 mm length original five times (this number displayed on the copy number indicator can be changed : 1 to 10).
  • Page 73 11 May, 2001 SERVICE TOOLS Mode No. Function Data No Misfeed Ignores jam error signals, except for 0: Normal Detection Mode initial jams. The setting automatically 1: No Misfeed Detection resets to “0” when the main switch is turned off. 0: Normal Free Run Mode The machine caries out copy operation...
  • Page 74 SERVICE TOOLS 11 May, 2001 Mode No. Function Data Fluorescent Lamp Tracks the amount of time that the 0 ~ 250: Abnormal Time fluorescent lamp is at full power during The total time Check 2 the copy cycle. (seconds) that the fluorescent lamp is at full power.
  • Page 75 11 May, 2001 SERVICE TOOLS Mode No. Function Data Cut Length Display In semi-synchro cut mode, the 0: Non-Length Display Mode machine stores the 1st original cut 1: Length Display length and displays it in the paper length counter. The paper cut mode will automatically be changed to the Preset/Variable cut mode.
  • Page 76 SERVICE TOOLS 11 May, 2001 Mode No. Function Data Fusing Determines how the machine recovers 0: No recovery Temperature when the fusing temperature drops (The machine simply Recovery Setting below the target value. This is only continues copying, triggered when making multiple copies ignoring the fusing using fusing mode 8 (highest temperature.)
  • Page 77 11 May, 2001 SERVICE TOOLS 4.3.2 INPUT/OUTPUT CHECK MODE Input Check Mode Table The on/off status of the selected electrical component is displayed in the paper length indicator (“ON” or “OFF” is displayed). If the selected program number is not used, “NOT”...
  • Page 78 SERVICE TOOLS 11 May, 2001 Program No. Electrical Component Note Exposure Lamp (100% duty ratio) Exposure Lamp (selected ID level) Main Charge Corona Grid Voltage Transfer Charge Corona Not Used Separation Charge Corona Exhaust Fan 16 to 19 Not Used Bias Voltage for the Image Area Bias Voltage for the Non-image Area Main Charge Corona + Grid Voltage...
  • Page 79 11 May, 2001 JAM CODE LIST 4.4 JAM CODE LIST 4.4.2 JAM CODE TABLE Code Cause of Jam Remarks dJ01 Initial misfeed at the original entrance sensor. B048 only dJ02 Initial misfeed at the original registration sensor. dJ03 Initial misfeed at the original rear sensor. B048 only dJ05 Initial misfeed at the entrance sensor.
  • Page 80 JAM CODE LIST 11 May, 2001 Code Cause of Jam Remarks Original registration sensor does not turn off after paper is dJ45 fed 3,500 mm. Registration sensor OFF is detected just after starting the pJ51 copy process. Registration sensor OFF is detected before starting the roll pJ52 B047 only feeder again.
  • Page 81 11 May, 2001 JAM CODE LIST Fixed Paper Size Pattern Data (SP No. 22) In mm Mode 0: 1189, 841, 594, 420, 297 1: 3000, 2000, 1189, 841, 594, 420, 297, 280 2: 3000, 2400, 2000, 1900, 1800, 1700, 1600, 1500, 1400, 1300, 1200, 1100, 1000, 900, 800, 700, 600, 500, 400, 300, 280 3: 3000, 2400, 2000, 1900, 1800, 1700, 1600, 1500, 1400, 1300, 1200, 1189, 841, 594, 420, 297, 280...
  • Page 82 JAM CODE LIST 11 May, 2001 10: 118.0, 96.0, 80.0, 77.5, 75.0, 72.5, 70.0, 67.5, 65.0, 62.5, 60.0, 57.5, 55.0, 52.5, 50.0, 47.5, 45.0, 42.5, 40.0, 37.5, 35.0, 32.5, 30.0, 27.5, 25.0, 22.5, 20.0, 17.5, 15.0, 12.5, 11.0, 10.0 11: 118.0, 96.0, 80.0, 77.5, 75.0, 72.5, 70.0, 67.5, 65.0, 62.5, 60.0, 57.5, 55.0, 52.5, 50.0, 48.0, 42.0, 36.0, 34.0, 24.0, 22.0, 18.0, 17.0, 12.0, 11.0 12: 118.0, 96.0, 80.0, 77.5, 75.0, 72.5, 70.0, 67.5, 65.0, 62.5, 60.0, 57.5, 55.0, 52.5, 50.0, 48.0, 42.0, 36.0, 24.0, 18.0, 12.0, 11.0...
  • Page 83 11 May, 2001 SERVICE REMARKS 4.6 SERVICE REMARKS 4.6.12 AC DRIVE BOARD Noise Filter AC Drive Board TB202 TB201 B047S500.WMF Service Remark for 220 ∼ ∼ ∼ ∼ 240 V Version Make sure that the harnesses are connected to the noise filter and ac drive board as shown.
  • Page 84 SERVICE REMARKS 11 May, 2001 AC Drive Board TB202 TB201 B047S501.WMF Service Remarks for 120 V Version Make sure that the harness is connected to the ac drive board as shown correctly 1. Set the power supply cord harness hot line (black wire) white connector to TB201 on ac drive board.
  • Page 85 11 May, 2001 DRUM UNIT 5. REPLACEMENT AND ADJUSTMENT 5.4 DRUM UNIT 5.4.2 DRUM REPLACEMENT B047R539.WMF 1. Remove the drum unit. 2. Remove the pulley [A] (1 C-ring). 3. Remove the 2 bearing holders [B] (2 screws each). NOTE: Be careful not to scratch the drum with the pick-off pawls when removing or reinstalling the drum.
  • Page 86 FUSING 11 May, 2001 5.5 FUSING B047R101.WMF 5.5.7 HOT ROLLER THERMISTOR REPLACEMENT 1. Remove the fusing unit. 2. Remove the hot roller thermistor [A] (1 screw, clamps). 5.5.8 FUSING THERMOFUSE REPLACEMENT 1. Remove the fusing unit. 2. Remove the fusing thermofuse [B] (2 screws, 6 clamps, and 2 connectors).
  • Page 87 11 May, 2001 FUSING 5.5.9 FUSING TEMPERATURE ADJUSTMENT B047R538.WMF CAUTION When the main switch is turned on, the machine will suddenly start to drive the fusing section. However, this does not occur immediately. The machine waits until the hot roller is heated to above 80° ° ° ° C. Keep your hands away from any mechanical and electrical components during this period.
  • Page 88 COPY QUALITY ADJUSTMENT 11 May, 2001 5.8 COPY QUALITY ADJUSTMENT 5.8.4 REGISTRATION ADJUSTMENT When: Registration is not within the registration tolerance. Purpose: To maintain proper registration. Registration ") 0±3 mm (0±0.12 Tolerance: SP#-5 (by-pass feed), SP#-29 (B048 rear original feed), SP#-45 (roll Perform: feed) How:...
  • Page 89 11 May, 2001 SERVICE CALL CONDITIONS 6. TROUBLESHOOTING 6.2 SERVICE CALL CONDITIONS When a service call condition occurs, the Call Service indicator ! and SC codes are displayed. SC Codes E2, E3, E4, E5, E6, E7, E8, E15, E17 and E18 cannot be cleared by simply turning the main switch off and on.
  • Page 90 SERVICE CALL CONDITIONS 11 May, 2001 SC Code E-4: Hot Roller Thermistor Short Definition The resistance of the hot roller thermistor is less than 0.11 KΩ. Points to Check • Hot roller thermistor • Main board (CN102-A5, -B11, -B13, -B14) SC Code E-5: Pressure Roller Thermistor Open Definition The resistance of the pressure roller thermistor is more than 0.53 MΩ.
  • Page 91 11 May, 2001 SERVICE CALL CONDITIONS SC Code E-8: Fusing Warm-up Error Definition After turning on the machine, the temperature detected by the hot roller thermistor does not reach the target ready temperature within 12 minutes. Points to Check • Hot roller thermistor •...
  • Page 92 SERVICE CALL CONDITIONS 11 May, 2001 SC Code E-13: Total Counter Abnormal Definition Total counter does not operate. Points to Check • Main board • AC Drive board SC Code E-14: Zero Cross Signal Detection Abnormal Definition The zero cross signal is not detected within 0.5 second of turning on the main switch.
  • Page 93 11 May, 2001 BLOWN FUSE TABLE 6.3 BLOWN FUSE TABLE 6.3.1 POWER SUPPLY UNIT Europe Version Fuse No. Specification Symptom FU301 250 V 3.15 A No power. FU302 250 V 6.3 A No indication. Beeper sounds. This symptom will occur when all of three FU303 250 V 6.3 A fuses are open.
  • Page 94 A CN206-1 AC Drive Board CN203-2 POINT-TO-POINT DIAGRAM Fusing Thermofuse: Fusing Thermofuse: (PCB2) Circuit Breaker Fusing Lamp 184°C 192°C (220V~240V version) TB203 (B047/B048) TB227(B) AC : H CN204-1 CN301-1 TB201 TB220(W) TB221(Y) AC : H CN202-2 1A 1B 1A 1B TB204 Fuse (120V version)
  • Page 95 ELECTRICAL COMPONENT LAYOUT B047D101.WMF B047D900.WMF B047D902.WMF B047D903.WMF B436D101.WMF...
  • Page 96 Symbol Name Index No. P to P Symbol Name Index No. P to P Motors Printed Circuit Board Exhaust Fan PCB1 Operation Panel Main PCB2 AC Drive Original Feed PCB3 (B048 only) PCB4 Main Cutter PCB5 FL Regulator Roll Feed PCB6 RF Drive Magnetic Clutch...

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B047B048

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