Ricoh JP735 Manual de servicio

C252/C261 SERVICE MANUAL 001701MIU CÓPIA NÃO CONTROLADACÓPIA NÃO CONTROLADA

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SERVICE PROGRAM MODE C252 5-2 SM 5.1.2 MAIN MENU NO.1: INPUT MODE No. Name Note 1-3 Original Sensor 1-26 Master End Sensor 1-27 Ink Detection

SERVICE PROGRAM MODE SM 5-3 C252 Service Tables 5.1.3 MAIN MENU NO.2: OUTPUT MODE No. Name Note 2-3 Master Eject Motor 2-6 Vacuum Fan Motor 2-7 A

SERVICE PROGRAM MODE C252 5-4 SM 5.1.5 MAIN MENU NO.3: TEST MODE No. Name Function 3-1 Firmware Suffix Information "5.1.6 3-4 All Indicators

SERVICE PROGRAM MODE SM 5-5 C252 Service Tables 5.1.8 SP6-42: IMAGE ADJUSTMENT PATTERN PRINT This test pattern is used for master feeding speed adju

DIP SWITCHES C252 5-6 SM 5.2 DIP SWITCHES 5.2.1 OVERVIEW DIPSW No. Bit No. Name Settings 1 to 4 Paper Registration Position Adjust "5.2.2

DIP SWITCHES SM 5-7 C252 Service Tables 5.2.2 DIPSW101 NO.1 TO 4 – PAPER REGISTRATION POSITION ADJUSTMENT Purpose: To match the printing leading e

DIP SWITCHES C252 5-8 SM 5.2.3 DIPSW101 NO.5 TO 8 – MASTER WRITING POSITION ADJUSTMENT Purpose: To match the printing side-to-side on the print pap

DIP SWITCHES SM 5-9 C252 Service Tables 5.2.4 DIPSW102 NO.1 TO 3 – THERMAL HEAD ENERGY CONTROL The default is -7%. This means that during printing

DIP SWITCHES C252 5-10 SM 5.2.5 DIPSW103 NO.1 TO 4 – SCANNING SPEED ADJUSTMENT Purpose: To adjust the sub-scan magnification for scanning by changi

DIP SWITCHES SM 5-11 C252 Service Tables 5.2.6 DIPSW103 NO.5 TO 8 – MASTER FEEDING SPEED ADJUSTMENT Purpose: To adjust the sub-scan magnification

LEGEND PRODUCT CODE COMPANY GESTETNER LANIER RICOH SAVIN C252 JP730 C261 JP735 DOCUMENTATION HISTORY REV. NO. DAT

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DETAILED DESCRIPTIONSCÓPIA NÃO CONTROLADACÓPIA NÃO CONTROLADA

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MECHANISM OVERVIEW SM 6-1 C252 Detailed Descriptions 6. DETAILD SECTION DESCRIPTIONS 6.1 MECHANISM OVERVIEW 6.1.1 MAJOR PARTS 1. Tension roller

MECHANISM OVERVIEW C252 6-2 SM 6.1.2 ELECTRICAL COMPONENT LAYOUT C252D943.WMFC252D944.WMF7 8 9 1012 13 14 15 20 21 22 23 24 25 26272832 33 3

MECHANISM OVERVIEW SM 6-3 C252 Detailed Descriptions Boards No. Component Function 13 Operation Panel Board This board controls the operation pane

MECHANISM OVERVIEW C252 6-4 SM Sensors No. Component Function 3 Cutter HP Sensor Detects when the cutter is at the home position. 8 Master Set C

MECHANISM OVERVIEW SM 6-5 C252 Detailed Descriptions 6.1.3 DRIVE LAYOUT 1. Master Eject Motor 2. Scanner Motor 3. Pressure Plate Motor 4. Clampe

MASTER EJECT UNIT C252 6-6 SM 6.2 MASTER EJECT UNIT 6.2.1 OVERVIEW The master eject unit removes the used master from the drum. (!: Digital Dupl

MASTER EJECT UNIT SM 6-7 C252 Detailed Descriptions 6.2.2 MASTER CLAMPER OPENING MECHANISM Clamper Mechanism Clamper motor [A] - opens the clampe

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MASTER EJECT UNIT C252 6-8 SM 6.2.3 MASTER EJECT ROLLER MECHANISM Mechanism Master eject motor [A] ↓ Gears [B] ↓ Master eject rollers [C] – t

MASTER EJECT UNIT SM 6-9 C252 Detailed Descriptions 6.2.4 PRESSURE PLATE MECHANISM Mechanism Pressure plate motor [A] ↓ Gears [B] ↓ Pressure p

SCANNER UNIT C252 6-10 SM 6.3 SCANNER UNIT 6.3.1 SCANNER DRIVE Mechanism Scanner motor [A] ↓ Gears [B] ↓ 1st feed roller [C], 2nd feed roller

IMAGE PROCESSING SM 6-11 C252 Detailed Descriptions 6.4 IMAGE PROCESSING 6.4.1 IMAGE PROCESSING FLOW Image processing is done by the IPU (Image Proc

MASTER FEED C252 6-12 SM 6.5 MASTER FEED 6.5.1 OVERVIEW The master feed unit makes an image on the master and feeds the master to the drum. (!: D

MASTER FEED SM 6-13 C252 Detailed Descriptions 6.5.2 MASTER FEED MECHANISM Mechanism Master feed motor [A] (stepper motor) ↓ Gears [B] ↓ Plat

MASTER FEED C252 6-14 SM 6.5.3 CLAMPER AND TENSION ROLLER MECHANISM Mechanism Clamper motor [A] ↓ Gears [B] ↓ Link [C] ↓ Drum guide [D] ↓

MASTER FEED SM 6-15 C252 Detailed Descriptions 6.5.4 CUTTER MECHANISM [A]: Cutter motor [B]: Cutter HP sensor • When the cutter starts, the dru

MASTER FEED C252 6-16 SM 6.5.5 MASTER SET COVER SENSOR [A]: Master set cover sensor [B]: Master set cover • If the cover is closed properly, t

DRUM SM 6-17 C252 Detailed Descriptions 6.6 DRUM 6.6.1 OVERVIEW Procedure Ink is supplied inside the drum, through the drum shaft. ↓ The ink rol

SM i C252/C261 C252/C261 TABLE OF CONTENTS INSTALLATION 1. INSTALLATION...

DRUM C252 6-18 SM 6.6.2 DRUM DRIVE MECHANISM Mechanism Main motor [A] (dc motor) ↓ Belt [B] ↓ Gears [C] ↓ The drum only rotates in one dire

DRUM SM 6-19 C252 Detailed Descriptions 6.6.3 INK SUPPLY MECHANISM Mechanism Ink pump motor [A] ↓ Gears [B] ↓ Gear rotation converted into pi

DRUM C252 6-20 SM 6.6.4 INK ROLLER MECHANISM Mechanism Main motor ↓ Gears [A] ↓ Ink roller [B] rotates ↓ Gears [C] ↓ Doctor roller [D] ro

DRUM SM 6-21 C252 Detailed Descriptions 6.6.5 INK SUPPLY CONTROL Mechanism When the ink level is low, the pins [A] do not touch the ink. ↓ The

DRUM C252 6-22 SM 6.6.6 DETECTION OF MASTERS ON THE DRUM [A]: Drum master sensor [B]: Black patch on the screen [C]: Black patch on the clampe

PAPER FEED SM 6-23 C252 Detailed Descriptions 6.7 PAPER FEED 6.7.1 OVERVIEW This mechanism feeds blank copy paper into the printer. (!: Handling

PAPER FEED C252 6-24 SM 6.7.2 PAPER FEED MECHANISM Mechanism Main motor [A] ↓ Belt and gears ↓ Paper feed clutch [B] ↓ Turns the paper feed

PAPER FEED SM 6-25 C252 Detailed Descriptions 6.7.3 PAPER FEED / SEPARATION PRESSURE MECHANISM [A]: Standard position (35 to 81.5 g/m2, 9.3 to 21

PAPER FEED C252 6-26 SM 6.7.4 REGISTRATION ROLLER MECHANISM Registration Roller Drive Registration motor [A] ↓ Belt [B] ↓ Turns the lower regi

PAPER FEED SM 6-27 C252 Detailed Descriptions Registration Roller Up/Down Mechanism • After the printing paper is caught between the drum and the

C252/C261 ii SM 3.7 PAPER FEED...3-14 3.7.1 PAPER FEED RO

PAPER FEED C252 6-28 SM 6.7.5 REGISTRATION SENSOR CLEANING NOTE: This mechanism is attached only for the China model. Dust on the registration se

PAPER FEED SM 6-29 C252 Detailed Descriptions 6.7.6 PRINTING PRESSURE MECHANISM • When not in the printing cycle, the two solenoids [A] remain o

PAPER FEED C252 6-30 SM 6.7.8 PAPER TABLE MECHANISM Table lifting / lowering Mechanism The user moves the paper feed tray adjustment lever [A] up

PAPER FEED SM 6-31 C252 Detailed Descriptions Table side fence lock mechanism The lock levers [A] hold the side fences in position. Side fence fr

PAPER DELIVERY C252 6-32 SM 6.8 PAPER DELIVERY 6.8.1 OVERVIEW Procedure The exit pawl [A] and the air knife [B] separate the paper from the drum.

PAPER DELIVERY SM 6-33 C252 Detailed Descriptions 6.8.2 PAPER DELIVERY UNIT DRIVE MECHANISM Mechanism Main motor [A] ↓ Belt and gear [B] ↓ Shaft [C

PAPER DELIVERY C252 6-34 SM 6.8.3 PAPER SEPARATION FROM THE DRUM Air knife • The air from the air knife fan motor [A] separates the paper from th

PAPER DELIVERY SM 6-35 C252 Detailed Descriptions 6.8.4 EXIT PAWL DRIVE MECHANISM • During printing, the distance between the exit pawl [A] and t

PAPER DELIVERY C252 6-36 SM • When printing finishes and the printing pressure is released, the cam follower arm [F] is engaged by the printing

TIMING CHART SM 6-37 C252 Detailed Descriptions 6.9 TIMING CHART 6.9.1 MASTER EJECT / MASTER FEED Master Eject Position Sn.Feed Start Timing Sn.Cl

SM iii C252/C261 SERVICE TABLES 5. SERVICE TABLES... 5-1 5.1 SERVICE PROGRAM

TIMING CHART C252 6-38 SM 6.9.2 MASTER WRAPPING Master Eject Position Sn.Feed Start Timing Sn.Main MotorPaper Feed CluthRegistration Sn.Pressure

TIMING CHART SM 6-39 C252 Detailed Descriptions 6.9.3 PRINTING Master Eject Position Sn.Feed Start Timing Sn.Main MotorPaper Feed ClutchPressure

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SPECIFICATIONSCÓPIA NÃO CONTROLADACÓPIA NÃO CONTROLADA

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SPECIFICATIONS SM 7-1 C252 Specifications SPECIFICATIONS 1. GENERAL SPECIFICATIONS Configuration Desktop Master Process Digital with 300 dpi thermal

SPECIFICATIONS C252 7-2 SM Master type 280 mm width (B4), 50 m/roll 240 mm width (LG), 50 m/roll Yield 100 masters/roll Maximum run length per maste

C261 SERVICE MANUAL CÓPIA NÃO CONTROLADACÓPIA NÃO CONTROLADA

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SM 8-1 C261 C261 OVERALL INFORMATION The C261 is released as the successor to the C252. A new model code assigned to the C261, it is in full complian

C252/C261 iv SM 6.6.2 DRUM DRIVE MECHANISM ...6-18 6.6.3 INK SUPPLY MECHANISM...

C261 8-2 SM 1. INSTALLATION 1.2 INSTALLATION PROCEDURE 1.2.1 MAIN BODY Accessory check Description Change: The accessories are changed (C261 only

SM 8-3 C261 C261 Change: C252/C261: Note the way to install the master roll. Reason: To set the master leading edge at the correct position. 7. Se

C261 8-4 SM 3. REPLACEMENT AND ADJUSTMENT 3.9 DRUM 3.9.2 CLOTH SCREEN Change: C252/C261: The mylar seal of the metal screen was changed only at

SM 8-5 C261 C261 • Make sure that the correct side of the screen is facing up. In addition, make sure that the stays for securing the cloth screen a

C261 8-6 SM • Make sure that the correct end of the metal screen is overlapping. (The right side overlaps, as viewed from the non-operation side

SM 8-7 C261 C261 3.9.4 INK PUMP ADJUSTMENT Change: C252/C261: To improve the accuracy of the adjustment, the plunger adjustment was changed. Purpose

C261 8-8 SM 6. After tightening, repeat step 4 and step 5. 7. Re-tighten the two screws [A]. 8. Check that the piston motion is smooth. 9. R

SM 8-9 C261 C261 4. TROUBLESHOOTING 4.5 OTHERS These procedures also apply to the C252. Subject: Black line on the copy Symptom The left or/and ri

C261 8-10 SM Solution For cause 1: 1. Measure the distance from the paper edge to the black line (this distance is ‘X mm’). 2. Move the side f

SM 8-11 C261 C261 Subject: Areas of the original that are of an orange color do not show on the master. Symptom Areas of the original that have an

SM v C252/C261 3.5 OTHERS...8-9 4. DETAILED SECT

C261 8-12 SM 6. DETAILED SECTION DESCRIPTIONS 6.4 IMAGE PROCESSING 6.4.1 IMAGE PROCESSING FLOW Grayscale Processing: Change: C261 only: The Te

SM 8-13 C261 C261 6.6 DRUM 6.6.6 DETECTION OF MASTER ON THE DRUM Drum master sensor Change: C261 only: A VR (Variable Resistor) [A] was added for

C261 8-14 SM The adhesive parts [A] are only at the sides of the mylar seal for the metal screen. (They were removed from the trailing edge.) Th

SM 8-15 C261 C261 6.8 PAPER DELIVERY 6.8.1 PAPER DELIVERY UNIT DRIVE MECHANISM Change: • C261 only: The paper delivery performance was improved by

C261 8-16 SM 6.10 MAIN CONTROL BOARD • C252/C261: An explanation about the main control board was added. The main motor controller board [A] i

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IMPORTANT SAFETY NOTICES PREVENTION OF PHYSICAL INJURY 1. Before disassembling or assembling parts of the digital duplicator, make sure that the

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Symbols This manual uses several symbols. The meaning of those symbols are as follows: ! See or Refer to  Core tech manual  Clip ring  E-ring

INSTALLATION PREVENTIVE MAINTENANCE REPLACEMENT AND ADJUSTMENT TROUBLESHOOTING SERVICE TABLES DETAILED DESCRIPT

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INSTALLATIONCÓPIA NÃO CONTROLADACÓPIA NÃO CONTROLADA

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INSTALLATION REQUIREMENTS SM 1-1 C252 Installation 1. INSTALLATION 1.1 INSTALLATION REQUIREMENTS Carefully select the installation location because e

INSTALLATION REQUIREMENTS C252 1-2 SM 1.1.4 MINIMUM SPACE REQUIREMENTS Place the machine near a power source, providing minimum clearance as shown

INSTALLATION PROCEDURE SM 1-3 C252 Installation 1.2 INSTALLATION PROCEDURE 1.2.1 MAIN BODY Accessory Check Make sure that you have all the accessor

INSTALLATION PROCEDURE C252 1-4 SM Installation Procedure CAUTION To avoid serious injury, do not connect the power plug to the machine until you

INSTALLATION PROCEDURE SM 1-5 C252 Installation 3. Open the right side cover, and take out the accessory bag [A]. 4. Insert both spools into a n

C252/C261 SERVICE MANUAL CÓPIA NÃO CONTROLADACÓPIA NÃO CONTROLADA

INSTALLATION PROCEDURE C252 1-6 SM 6. Open the master making unit cover, and insert the leading edge of the master roll under the platen roller. T

INSTALLATION PROCEDURE SM 1-7 C252 Installation 9. Open the front door. 10. Release the ink holder lock lever [A] and pull out the ink holder [B].

INSTALLATION PROCEDURE C252 1-8 SM 13. Lower the paper feed tray adjustment lever [A], and install the paper table. ( x 2) NOTE: 1) When instal

INSTALLATION PROCEDURE SM 1-9 C252 Installation 15. Install the paper delivery table. ( x 2) 16. Release the paper feed side plate lock levers

INSTALLATION PROCEDURE C252 1-10 SM 17. Load paper into the paper table. 18. Shift the paper feed tray adjustment lever [A] up to the paper feedin

INSTALLATION PROCEDURE SM 1-11 C252 Installation 20. Attach the original table [A]. 21. Firmly insert the power plug in the outlet. 22. Turn on the

INSTALLATION PROCEDURE C252 1-12 SM 1.2.2 ADDITIONAL DRUMS (OPTION) There are two types of drum units: B4 size Color Drum: Color Drum Type 7 (M)

INSTALLATION PROCEDURE SM 1-13 C252 Installation 1.2.3 INTERFACE BOARD (OPTION) Accessory Check Check the quantity and condition of the accessories

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PREVENTIVE MAINTENANCECÓPIA NÃO CONTROLADACÓPIA NÃO CONTROLADA

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MAINTENANCE TABLE SM 2-1 C252 Preventive Maintenance 2. PREVENTIVE MAINTENANCE 2.1 MAINTENANCE TABLE The following items should be maintained periodi

MAINTENANCE TABLE C252 2-2 SM Time Print Counter IntervalItem 6M 1Y 2Y 5Y 150K 300K600K 1.2M 3M EM Note Drum and Ink Supply Cloth Screen R R

REPLACEMENT AND ADJUSTMENTCÓPIA NÃO CONTROLADACÓPIA NÃO CONTROLADA

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GENERAL CAUTION SM 3-1 C252 Replacement and Adjustment 3. REPLACEMENT AND ADJUSTMENT 3.1 GENERAL CAUTION CAUTION Turn off the main power switch and

COVERS C252 3-2 SM 3.2.2 REAR COVER [A]: Rear cover ( x 5) C252R920.WMF[A] CÓPIA NÃO CONTROLADACÓPIA NÃO CONTROLADA

BOARDS SM 3-3 C252 Replacement and Adjustment 3.3 BOARDS 3.3.1 MPU • Rear cover (! 3.2.2) [A]: MPU ( x 8,  x 8) NOTE: 1) Check the dip switch

BOARDS C252 3-4 SM 3.3.2 PSU • Rear cover (! 3.2.2) [A]: PSU ( x 6,  x 3) NOTE: When the PSU is replaced, the thermal head voltage returns to

SCANNER SM 3-5 C252 Replacement and Adjustment 3.4 SCANNER 3.4.1 COVERS [A]: Right side cover ( x 2) [B]: Scanner cover ( x 4) C252R004.WMF

C252/C261 SERVICE MANUAL 001701MIU CÓPIA NÃO CONTROLADACÓPIA NÃO CONTROLADA

SCANNER C252 3-6 SM 3.4.2 1ST, 2ND FEED ROLLER / CIS (CONTACT IMAGE SENSOR) [A]: Upper cover ( x 4) [B]: Guide plate ( x 2) [C]: CIS ( x 1)

SCANNER SM 3-7 C252 Replacement and Adjustment 3.4.3 DOCUMENT SENSOR [A]: Upper guide plate ( x 2) [B]: Document sensor ( x 1) 3.4.4 SCANNER

MASTER FEED C252 3-8 SM 3.5 MASTER FEED 3.5.1 MASTER MAKING UNIT [A]: Master making unit ( x 2,  x 5) C252R008.WMF[A]CÓPIA NÃO CONTROLADACÓ

MASTER FEED SM 3-9 C252 Replacement and Adjustment 3.5.2 THERMAL HEAD • Master making unit (! 3.5.1) [A]: Open the platen roller unit. [B]: The

MASTER FEED C252 3-10 SM Installation If the following cautions are not followed, the thermal head will be installed incorrectly. 1. Fit the base

MASTER FEED SM 3-11 C252 Replacement and Adjustment 3.5.3 THERMAL HEAD VOLTAGE ADJUSTMENT CAUTION This adjustment is always required when the therm

MASTER FEED C252 3-12 SM 3.5.4 MASTER END SENSOR ADJUSTMENT Purpose: To ensure that the sensor detects the end mark (a solid black area) on the mas

MASTER EJECT SM 3-13 C252 Replacement and Adjustment 3.6 MASTER EJECT 3.6.1 MASTER EJECT UNIT [A]: Paper delivery cover ( x 5) [B]: Master ejec

PAPER FEED C252 3-14 SM 3.7 PAPER FEED 3.7.1 PAPER FEED ROLLER / FRICTION PAD [A]: Paper feed roller unit ( x 1) [B]: Paper guide [C]: Paper

PAPER FEED SM 3-15 C252 Replacement and Adjustment 3.7.2 PAPER FEED PRESSURE ADJUSTMENT The position of the spring can be changed in order to chang

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PAPER FEED C252 3-16 SM 3.7.3 PAPER SEPARATION PRESSURE ADJUSTMENT The position of the screw can be changed in order to change the amount of pressur

PRINTING SM 3-17 C252 Replacement and Adjustment 3.8 PRINTING 3.8.1 PRESS ROLLER CAUTION Take care to avoid possible injury. If the printing pres

PRINTING C252 3-18 SM 3.8.2 PAPER REGISTRATION ROLLER • Remove the paper table • Front cover (! 3.2.1) • Rear cover (! 3.2.2) • MPU (! 3.3.1)

PRINTING SM 3-19 C252 Replacement and Adjustment [A]: Bearing ( x 2) [B]: Slider bracket ( x 2) [C]: Plate ( x 4) [D]: Registration roller C

PRINTING C252 3-20 SM 3.8.3 PRESS ROLLER RELEASE LEVER ADJUSTMENT Purpose: To maintain the correct clearance between the press roller arms and press

PRINTING SM 3-21 C252 Replacement and Adjustment 3.8.4 PRINTING PRESSURE ADJUSTMENT Purpose: To make better print results without decreasing the ru

DRUM C252 3-22 SM 3.9 DRUM 3.9.1 PREPARATION Before attempting any of the procedures in this section, wipe off the ink around the ink roller. To do

DRUM SM 3-23 C252 Replacement and Adjustment Installation • Do not scratch the cloth screen or metal screen. • Properly insert the edge of the my

DRUM C252 3-24 SM 3.9.3 CLAMPER / METAL SCREEN • Remove the drum • Cloth screen (! 3.9.2) [A]: Clamper lever (1 hexagon screw) [B]: Clamper

DRUM SM 3-25 C252 Replacement and Adjustment Installation • Make sure that the correct end of the metal screen is overlapping. (The right side ov

It is the reader's responsibility when discussing the information contained within this document to maintain a level of confidentiality that is

DRUM C252 3-26 SM 3.9.4 INK PUMP ADJUSTMENT Purpose: To ensure the smooth operation of the ink pump plunger by properly positioning its holder. •

DRUM SM 3-27 C252 Replacement and Adjustment 7. Re-tighten the two screws [A]. 8. Check that the piston motion is smooth. 9. Reinstall the E-ri

DRUM C252 3-28 SM 3.9.5 DOCTOR ROLLER GAP ADJUSTMENT Purpose: To control the ink thickness around the ink roller. Standard: A 0.07mm gauge passes,

DRUM SM 3-29 C252 Replacement and Adjustment 3.9.6 INK DETECTION ADJUSTMENT Purpose: To ensure that the CPU detects a no ink condition. CAUTION: Bef

PAPER DELIVERY C252 3-30 SM 3.10 PAPER DELIVERY 3.10.1 PAPER DELIVERY UNIT • Rear cover (!3.2.2) [A]: Paper delivery cover ( x 5) [B]: Paper d

PAPER DELIVERY SM 3-31 C252 Replacement and Adjustment 3.10.2 DELIVERY BELT / PAPER EXIT SENSOR • Remove paper delivery unit (! 3.10.1) [A]: Va

PAPER DELIVERY C252 3-32 SM 3.10.3 VACUUM FAN MOTOR POSITION • Remove the paper delivery unit (! 3.10.1) [A]: For the China model [B]: For oth

PAPER DELIVERY SM 3-33 C252 Replacement and Adjustment 3.10.4 EXIT PAWL ADJUSTMENT Purpose: To ensure that the exit pawls can move out of the way of

PAPER DELIVERY C252 3-34 SM Timing adjustment Standard: 0 or less than 0.5 mm • Front cover (! 3.2.1), Rear covers (! 3.2.2) Do this after the

PAPER DELIVERY SM 3-35 C252 Replacement and Adjustment 1. Turn the drum manually until the recess in the drum drive gear meets the positioning hole

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MAIN DRIVE C252 3-36 SM 3.11 MAIN DRIVE 3.11.1 MAIN DRIVE TIMING BELT ADJUSTMENT After the timing belt is replaced, correct belt tension must be a

MAIN DRIVE SM 3-37 C252 Replacement and Adjustment 3.11.2 MAIN MOTOR PULLEY POSITION After putting the pulley back on the main motor shaft, refer t

FIRMWARE UPDATE C252 3-38 SM 3.12 FIRMWARE UPDATE The firmware in the EPROM on the MPU can be upgraded replacing the EPROM. 1. Before upgrading

TROUBLESHOOTINGCÓPIA NÃO CONTROLADACÓPIA NÃO CONTROLADA

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ERROR CODES SM 4-1 C252 Trouble shooting 4. TROUBLESHOOTING 4.1 ERROR CODES No. Symptom Possible cause E-00 Clamper error The MPU cannot detect the

ELECTRICAL COMPONENT DEFECTS C252 4-2 SM 4.2 ELECTRICAL COMPONENT DEFECTS Component Condition Symptom Open The P jam indicator is lit whenever t

ELECTRICAL COMPONENT DEFECTS SM 4-3 C252 Trouble shooting Component Condition Symptom Open Clamper Open Sensor Shorted E-00 is displayed whenever th

FUSE, LED, VR, DIP-SW, AND TP TABLES C252 4-4 SM 4.3 FUSE, LED, VR, DIP-SW, AND TP TABLES 4.3.1 BLOWN FUSE CONDITIONS Main Board No. Rate Possib

FUSE, LED, VR, DIP-SW, AND TP TABLES SM 4-5 C252 Trouble shooting 4.3.4 TEST POINTS Main Board No. Function TP101 GND TP103 Measures the ink detect

The Service Manual contains information regarding service techniques, procedures, processes and spare parts of office equipment distributed by R

JAM DETECTION C252 4-6 SM 4.4 JAM DETECTION 4.4.1 MASTER EJECT JAM (E JAM LOCATION INDICATOR) Picking up the used master from the drum Check1: Wh

JAM DETECTION SM 4-7 C252 Trouble shooting Just after turning on the main switch Check: If the master eject sensor is on (master detected), the E jam

JAM DETECTION C252 4-8 SM 4.4.3 MASTER FEED JAM (D JAM LOCATION INDICATOR) Cutting the master (master not cut) Check: While the drum is rotating

JAM DETECTION SM 4-9 C252 Trouble shooting Clamping the master Check: When the master eject position sensor turns on (drum at master eject position

JAM DETECTION C252 4-10 SM 4.4.5 PAPER FEED JAM (A JAM LOCATION INDICATOR +  + ) Paper feed Check 1: If the registration sensor does not detect

JAM DETECTION SM 4-11 C252 Trouble shooting 4.4.6 PAPER DELIVERY JAM (C JAM LOCATION INDICATOR) Paper delivery Check 1: When the drum has turned 2

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SERVICE TABLESCÓPIA NÃO CONTROLADACÓPIA NÃO CONTROLADA

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SERVICE PROGRAM MODE SM 5-1 C252 Service Tables 5. SERVICE TABLES NOTE: The Service Program Mode is for use by service representatives only so that