Ricoh A217 Service Manual
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Ricoh A217 Service Manual

Ricoh A217 Service Manual

– insert version –
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The A217 machine is based on the A133 copier.
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.
A217 COPIER
Service Manual
– Insert Version –
TS Dept. IPP Business Division
RICOH Co., LTD.
August 14th 1997

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  • Page 1 A217 COPIER Service Manual – Insert Version – The A217 machine is based on the A133 copier. 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.

  • Page 2: Important Safety Notices

    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 paper tray unit are supplied with electrical voltage even if the main switch is turned off.

  • Page 3: Laser Safety

    SAFETY AND ECOLOGICAL NOTICE FOR DISPOSAL 1. Do not incinerate toner bottles or used toner. Toner dust may ignite suddenly when exposed to an open flame. 2. Dispose of used toner, developer, and organic photoconductors according to local regulations. (These are non-toxic supplies.) 3.

  • Page 4: Overall Machine Information

    14 August 1997 SPECIFICATIONS 1. OVERALL MACHINE INFORMATION 1.1 SPECIFICATIONS NOTE: Only items marked with are different from the A133 copier. Configuration: Desktop Copy Process: Dry electrostatic transfer system Originals: Sheet/Book Original Size: Maximum A3/11" x 17" Copy Paper Size: Maximum A3/11"...
  • Page 5 SPECIFICATIONS 14 August 1997 32% to 400% in 1% steps Zoom: Power Source: 120V/60Hz: More than 12 A (for North America) 220V ~ 240V/50Hz: More than 7 A (for Europe) 220V ~ 240V/60Hz: More than 7 A (for Asia) Power Consumption: Copier Only Full System 115 V Machine...
  • Page 6 14 August 1997 SPECIFICATIONS Copying Speed (copies/minute): A4 sideways/ A3/11" x 17" B4/8 " x 14" 11" x 8 " 50 (US, France) 51 (EU, ASIA) Warm-Up Time Less than 140 seconds (20 C, 68 Less than 4.5 s (from LCT) First Copy Time: Copy Number Input: Ten-key pad, 1 to 999 (count up or count down)

  • Page 7: Machine Configuration

    MACHINE CONFIGURATION 14 August 1997 1.2 MACHINE CONFIGURATION A217V500.vsd NOTE: Only items marked are new items. Item Machine Code Copier A217 A663 ADF (Option) Paper Feed Unit (Option) A549 A550 A612 Finisher (Option) 500-sheet Receiving Tray (Option) A615 Platen Cover (Option)

  • Page 8: Electrical Component Descriptions

    14 August 1997 ELECTRICAL COMPONENT DESCRIPTIONS 1.3 ELECTRICAL COMPONENT DESCRIPTIONS Refer to the electrical component layout and the point-to-point diagram on the waterproof paper in the pocket for the locations of these components. : New or modified components. Symbol Index Description Note Printed Circuit Boards...
  • Page 9 ELECTRICAL COMPONENT DESCRIPTIONS 14 August 1997 Symbol Index Description Note Toner Bottle Drive Rotates the toner bottle to supply toner to the toner supply unit. Tray Lift Raises the bottom plate in the paper tray. Polygonal Mirror Turns the polygonal mirror. LCT Lift Lifts up and lowers the LCT bottom plate.
  • Page 10 14 August 1997 ELECTRICAL COMPONENT DESCRIPTIONS Symbol Index Description Note Registration Detects the leading edge of the copy paper to determine the stop timing of the paper feed clutch, and detects misfeeds. Image Density Detects the density of various patterns on the (ID) drum during process control.
  • Page 11 ELECTRICAL COMPONENT DESCRIPTIONS 14 August 1997 Symbol Index Description Note Main Supplies power to the copier. Front Cover Cuts the dc power line and detects whether Safety the front cover is open or not. Magnetic Clutches Toner Supply Turns the toner supply roller to supply toner to the development unit.
  • Page 12 14 August 1997 ELECTRICAL COMPONENT DESCRIPTIONS Symbol Index Description Note Tray Turns on when the main switch is off to keep (option) paper dry in the paper tray. Thermistors Fusing Monitors the temperature at the central area of the hot roller. Thermofuses Fusing Provides back-up overheat protection in the...

  • Page 13: Drive Layout

    DRIVE LAYOUT 14 August 1997 1.4 DRIVE LAYOUT A217v501.cdr The development drive mechanism has been changed. (See Drive Mechanism for more information.) : New or modified components. 1. Toner Supply Clutch 9. Transfer Belt Drive Gear 2. Development Gear 10. Cleaning Blade Drive Gear 3.
  • Page 14 14 August 1997 DRIVE LAYOUT 2. DIFFERENCES FROM THE A133 MACHINE Unit Item Details Main Reasons A133 A217 Scanner Scanner speed 200 mm/s 250 mm/s Increased Scanner lamp 75V 200W 75V 140W High sensitivity Image Analog Process 1 pc 2 pcs...

  • Page 15: Image Processing

    EX-IPU 14 August 1997 3. IMAGE PROCESSING 3.1 EX-IPU 3.1.1 OVERVIEW E v e n Analog Process IC 1 (GARD1S) O d d Analog Process IC 2 A217D505.vsd Analog signals for odd and even pixels from the SBU undergo analog processing and A/D conversion individually, then these signals go to GA1.

  • Page 16: Analog Processing

    14 August 1997 EX-IPU 3.1.2 ANALOG PROCESSING f r o m S B U E V E N Multi- plexer Vref (GARD1S) Analog Process IC 1 f r o m S B U O D D Analog Process IC 2 Vref NVRAM A217D504.vsd...

  • Page 17: Auto Image Density (Ads)

    EX-IPU 14 August 1997 3.1.3 AUTO IMAGE DENSITY (ADS) f r o m S B U E V E N Multi- plexer Vref Analog Process IC 1 (GARD1S) f r o m S B U Vref O D D Multi- plexer NVRAM Analog Process IC 2...

  • Page 18: Development Drive Mechanism

    14 August 1997 DEVELOPMENT DRIVE MECHANISM 4. DEVELOPMENT 4.1 DEVELOPMENT DRIVE MECHANISM A217D508.cdr In the A133 machine, the main motor drives the development roller and the toner supply roller. However, in this machine, the development drive motor [A] drives the development drive gear [B], which drives the gears in the development unit and the toner supply roller, which is driven by the gear [C] when the toner supply clutch [D] activates.

  • Page 19: Image Fusing

    FUSING TEMPERATURE CONTROL 14 August 1997 5. IMAGE FUSING 5.1 FUSING TEMPERATURE CONTROL 5.1.1 OVERVIEW A217D507.cdr 5.1.2 ON/OFF CONTROL NOTE: The following explanation is for the 230V machine only. To prevent the power supply from the inlet from fluctuating when the fusing lamp turns on, this machine controls the fusing temperature as follows.
  • Page 20 14 August 1997 FUSING TEMPERATURE CONTROL 6. ENERGY SAVER AND ENERGY STAR The energy star and energy saver functions are the same as for the A133 machine. The programming modes for these energy saver functions are as follows. - 115V machine - Mode Method Selectable values...

  • Page 21: Installation Procedure

    FUSING TEMPERATURE CONTROL 14 August 1997 7. INSTALLATION PROCEDURE The installation procedure of this machine is completely the same as for the A133 machine except for the followings. 1. Do the following step after step 31 of the installation procedure for the A133 machine.

  • Page 22: Service Tables

    14 August 1997 SP MODE 8. SERVICE TABLES 8.1 SP MODE NOTE: 1) Items marked “#” are new or modified items. 2) In the Function column, comments are in italics. 3) In the Settings column, the default value is in bold letters. 4) An asterisk "...
  • Page 23 SP MODE 14 August 1997 Mode No. Function Settings Class 1 Class 2 1002 * Side-to-Side Adjusts the printing side-to-side +9 ~ -9 Registration registration from the 3rd paper feed 0.1 mm/step (3rd paper feed: station using the Trimming Area + 0.0 mm Option PFU tray Pattern (SP2902-3, No.10).
  • Page 24 14 August 1997 SP MODE Mode No. Function Settings Class 1 Class 2 1008 * Duplex Jogger Adjusts the stop position of the side +4 ~ -4 Fence jogger fence span of the duplex unit. 0.5 mm/step Adjustment + 0.0 mm (Side Fence) Use the / key to toggle between + and -.
  • Page 25 SP MODE 14 August 1997 Mode No. Function Settings Class 1 Class 2 The specification is 3 2 mm. See "Replacement and Adjustment - Copy Image Adjustments" for details on SP2101. 2101 * Trailing Edge Adjusts the trailing edge erase 0.0 ~ 9.0 Erase Margin margin.
  • Page 26 14 August 1997 SP MODE Mode No. Function Settings Class 1 Class 2 Toner Supply Selects the toner supply ratio for Ratio Fixed Supply Mode. (Fixed Supply Mode) Use a higher value if the user tends to make lots of copies that have a high proportion of black.
  • Page 27 SP MODE 14 August 1997 Mode No. Function Settings Class 1 Class 2 If the user uses thicker paper, the current may have to be increased to ensure sufficient transfer of toner. Transfer Current Adjusts the current applied to the 10 ~ 60 Adjustment transfer belt during copying on the...
  • Page 28 14 August 1997 SP MODE Mode No. Function Settings Class 1 Class 2 Test Pattern Prints the test patterns for digital video processing. Printing See section 2.2.2 for how to print test patterns. (Digital Video 0. Not used 1. Vertical Stripes 2.
  • Page 29 SP MODE 14 August 1997 Mode No. Function Settings Class 1 Class 2 3103 * ID Sensor Displays the current VSG and VSP VSP= Output Display output. VSG= If the ID sensor does not detect the ID pattern, "VSP=5.0v/VSG=5.0v" is displayed.
  • Page 30 14 August 1997 SP MODE Mode No. Function Settings Class 1 Class 2 Trailing Edge Adjusts the trailing edge margin for 0.0 ~ 0.9 Erase Margin scanning. 0.1 mm/step (Scanning) 0.5 mm See the comment for SP 4012-1. Left Side Erase Adjusts the left side margin for 0.0 ~ 0.9 Margin...
  • Page 31 SP MODE 14 August 1997 Mode No. Function Settings Class 1 Class 2 GA 1 Setting The value of the standard AGC gain 0 ~ 255 (L-GAIN2) for the analog processing IC 2 after 1 /step automatic white level adjustment in the factory.
  • Page 32 14 August 1997 SP MODE Mode No. Function Settings Class 1 Class 2 Input the setting for all 8 bits at once as a decimal value. (e.g. To set the MTF filter strength of the the generation mode to 'weak', the input value should be 16 as shown below, assuming all other parameters are at the 'zero' setting.
  • Page 33 SP MODE 14 August 1997 Mode No. Function Settings Class 1 Class 2 This is used only in the Japanese model. 4904 * GA4 Setting Selects whether LD PWM laser pulse 0: OFF (Laser Pulse positioning feature is performed or 1: ON Positioning) not.
  • Page 34 14 August 1997 SP MODE Mode No. Function Settings Class 1 Class 2 GA4 Setting Selects the image processing mode (Image Process used for Letter areas in Letter/Photo mode in Letter/ mode. Photo mode: 0: 1 x 1 dot processing Letter areas) 1: Error diffusion with 1 x 1 dot processing...
  • Page 35 SP MODE 14 August 1997 Mode No. Function Settings Class 1 Class 2 Do not change the value. 2: 140-line 3: 180-line 4905 Path setting Do not change the value (MSU video in) 4907 * GA4 Setting Selects whether the auto letter/photo Disabled (Auto separation is performed in the...
  • Page 36 14 August 1997 SP MODE Mode No. Function Settings Class 1 Class 2 17 * GA4 Setting Selects whether an image which 0: Not (Background overlaps a background numbering converted Pattern Merge pattern is converted from positive to 1: Converted Method) negative or not.
  • Page 37 SP MODE 14 August 1997 Mode No. Function Settings Class 1 Class 2 HDD Setting Decides the disk drive motor (spindle (Spindle motor) stop timing. Control) Yes: The hard disk stops in low power mode. The first copy after returning to standby will take longer. No: The hard disk keeps going in low power mode HDD Setting...
  • Page 38 14 August 1997 SP MODE Mode No. Function Settings Class 1 Class 2 5106 * ADS Level Selects the image density level that 1 ~ 7 Selection is used in ADS mode. 1 notch /step 5118 * Disable Copying Selects whether the copy function is disabled or not.
  • Page 39 SP MODE 14 August 1997 Mode No. Function Settings Class 1 Class 2 5803 1 ~ 9 Input Check Displays the signals received from sensors and switches. See the "INPUT CHECK" section for details. 5804 Output Check Turns on the electrical components individually for test purposes.
  • Page 40 14 August 1997 SP MODE Mode No. Function Settings Class 1 Class 2 If a low temperature is selected, it takes more time to reach the ready condition. 5990 SP Mode Data Prints all the system parameter lists. Printing See the "SYSTEM PARAMETER (All Data) AND DATA LISTS"...
  • Page 41 SP MODE 14 August 1997 Mode No. Function Settings Class 1 Class 2 Use the / key to toggle between + and -. For details on the correct way to use SP 6006, see the ADF service manual. 6009 ADF Free Run Performs an ADF free run.
  • Page 42 14 August 1997 SP MODE Mode No. Function Settings Class 1 Class 2 ROM/CPU Displays the ROM version for the Version copy application on the SCU board. (Copy App.) ROM/CPU Displays the CPU version for the Version fusing controller on the BCU board. (BCU:68340) ROM/CPU Displays the ROM version for AC...
  • Page 43 OUTPUT CHECK TABLE (SP5804) 14 August 1997 8.2 OUTPUT CHECK TABLE (SP5804) NOTE: Items marked “#” are new or modified items. Description Description Not used Not used Not used Not used Not used Not used Relay Clutch Not used Registration Clutch Not used Paper Feed Clutch Not used...
  • Page 44 14 August 1997 OUTPUT CHECK TABLE (SP5804) Not used Not used...

  • Page 45: Test Points/Dip Switches/Leds

    TEST POINTS/DIP SWITCHES/LEDS 14 August 1997 8.3 TEST POINTS/DIP SWITCHES/LEDS 8.3.1 DIP SWITCHES BCU (Base Engine Control Unit): DIP SW201 Function Copy Speed 250 mm/s 200 mm/s Development Unit Twin color Mono color Type Duplex Unit Installed Not installed SC Generation Disabled Enabled Destination...

  • Page 46: Replacement And Adjustment

    14 August 1997 HDD UNIT REPLACEMENT 9. REPLACEMENT AND ADJUSTMENT 9.1 HDD UNIT REPLACEMENT A217R506.cdr 1. Turn off the main switch and unplug the machine 2. Remove the rear cover. 3. Remove the wire clamp [A] (1 screw). 4. Remove the HDD unit assembly [B] (3 screws, 2 connectors). 5.
  • Page 47 DEVELOPMENT MOTOR & TONER SUPPLY CLUTCH REPLACEMENT 14 August 1997 9.2 DEVELOPMENT MOTOR & TONER SUPPLY CLUTCH REPLACEMENT A217R507.cdr A217R508.cdr 1. Turn off the main switch and unplug the machine. 2. Remove the rear cover. 3. Remove the HDD unit (see HDD unit replacement). 4.
  • Page 48 14 August 1997 DEVELOPMENT MOTOR & TONER SUPPLY CLUTCH REPLACEMENT A217R509.cdr A217R510.CDR 9. Remove the development drive motor assembly [H] (3 screws, 3 connectors). 10. Remove the gear cover [I] (2 screws). 11. Remove the development drive holder [J] (1 E-ring, 3 screws). 12.

  • Page 49: Fusing Unit Removal

    FUSING UNIT REMOVAL 14 August 1997 9.3 FUSING UNIT REMOVAL CAUTION Allow time for the unit to cool before doing the following procedure. A217R511.CDR 1. Turn off the main switch and unplug the machine. 2. Open the front cover. 3. Remove the stopper bracket [A] (1 screw). 4.
  • Page 50 14 August 1997 CLEANING ROLLER REPLACEMENT 9.4 CLEANING ROLLER REPLACEMENT A217R512.cdr 1. Remove the fusing unit (see Fusing Unit Removal). 2. Remove the fusing unit cover [A] (1 screw). 3. Open the fusing exit cover [B], then remove the fusing exit cover/cleaning roller assembly (2 screws).

  • Page 51: Thermistor And Thermofuse Replacement

    THERMISTOR AND THERMOFUSE REPLACEMENT 14 August 1997 9.6 THERMISTOR AND THERMOFUSE REPLACEMENT A217R514.cdr A217R515.cdr 1. Remove the fusing unit (see Fusing Unit Removal). 2. Remove the fusing unit cover [A] (1 screw). 3. Disconnect the fusing lamp harnesses [B]. 4. Remove the fusing upper cover [C] (4 screws). 5.

  • Page 52: Fusing Lamp Replacement

    14 August 1997 FUSING LAMP REPLACEMENT 9.7 FUSING LAMP REPLACEMENT A217R516.cdr A217R517.cdr 1. Remove the fusing unit (see Fusing Unit Removal). 2. Remove the fusing unit cover [A] (1 screw). 3. Disconnect the fusing lamp harnesses [B]. 4. Remove the fusing upper cover [C] (4 screws). 5.

  • Page 53: Hot Roller Replacement

    HOT ROLLER REPLACEMENT 14 August 1997 9.8 HOT ROLLER REPLACEMENT A217R518.cdr 1. Remove the fusing lamp (see Fusing Lamp Replacement). 2. Remove the hot roller stripper pawl bracket (see the Hot Roller Stripper Pawl Removal). 3. Remove the screws [A] and swing down the pressure levers [B], then remove the pressure springs [C].

  • Page 54: Pressure Roller Replacement

    14 August 1997 PRESSURE ROLLER REPLACEMENT 9.9 PRESSURE ROLLER REPLACEMENT A217R519.cdr 1. Remove the hot roller (see Hot Roller Replacement) 2. Remove the lower fusing entrance guide [A] (2 screws). 3. Remove the fusing knob [B] (1 screw). 4. Remove the pressure roller [C] (2 C-rings, 2 bearings). NOTE: 1) When reinstalling the lower fusing entrance guide, tighten the screws using the middle hole on each side (this is the lowest fusing guide position).

  • Page 55: Service Call Condition

    10. SERVICE CALL CONDITION 10.1 SC CODE DESCRIPTIONS The following A133 SC codes have been re-assigned. NOTE: The meanings of these new SC codes are exactly the same as the previous SC codes. A133 machine A217 machine SC Code Description SC Code SC303...
  • Page 56 COPIER (A217) ELECTRICAL COMPONENT LAYOUT Symbol Index No. Description P-to P Printed Circuit Boards PCB1 H1 (1/2), G2 (2/2) PCB2 AC Drive A2 (1/2), A3 (2/2) PCB3 DC Power Supply G1 (1/2), E1 (2/2) PCB4 D5 (1/2), D6 (2/2) PCB5...
  • Page 57 By-pass Feed Paper Width E6 (1/2) By-pass Feed Paper End E6 (1/2) Tray Paper End C6 (1/2) Upper Relay D3 (1/2) Tray Upper Limit C6 (1/2) Lower Relay E3 (1/2) LCT Lower Limit F3 (1/2) LCT Paper End F3 (1/2) LCT Upper Limit G6 (1/2) Registration...
  • Page 58 SOL1 By-pass Pick-up E3 (1/2) SOL2 Junction Gate E3 (1/2) SOL3 LCT Pick-up F6 (1/2) SOL4 Pick-up C6 (1/2) SOL5 Separation C6 (1/2) Lamps Exposure B2 (1/2) Fusing B3 (1/2) Quenching G5 (1/2) Heaters Drum (option) B1 (2/2) Optics Anti-condensation B1 (2/2) (option) Tray (option)
  • Page 59 A217S500.CDR...
  • Page 60 A217S501.CDR...
  • Page 61 A217S502.CDR...
  • Page 62 A217S503.CDR...
  • Page 63 A217S504.CDR...
  • Page 64 DUPLEX UNIT AD50 Point to Point 1/2 COM +A [24] -1 Symbol Table +A [t24] AC Line -A [t24] EXIPU - SBU COM +B DC Line +B [t24] CN507 CN508 Relay Board Puls Duplex -B [t24] CGND CGND (See 2/2) Feed Signal Direction Voult1...
  • Page 65 AD50 Point to Point 2/2 (CB1) AC Drive Board(PCB2) RA101 FU101 Tray Heater RA102 (Option) Fusing Unit Fusing Door Zero Lamp Open Cross Control Detector Anti-Condensation Heater CN16 (Option) Drum Main SW Heater (SW6) (Option) CN14 CN12 CN101 CN103 CN104 CN102 CN105 Relay Board...

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