Minolta PagePro 1200 Series Service Manual

PagePro 1200 Series Service ManualP/N 1750056-001

PagePro 1200 Series Safety101-4. Other Precautions• When handling circuit boards, observe the guidelines presented in “HANDLING of PWBs”.• The PC Drum

PagePro 1200 Series Troubleshooting100Symptom Possible Cause RemedyBlank print0951o211No Toner Cartridge Install a Toner Cartridge.Toner empty Replace

PagePro 1200 Series Troubleshooting101Symptom Possible Cause RemedyToner smudges on backside0951o226Dust or damage on the Fusing Roller.Replace the Fu

PagePro 1200 Series Troubleshooting102Symptom Possible Cause RemedyWhite/black lines and bands0951o222Scratch on the PC Drum Replace the Drum Cartridg

1038. Wiring Diagrams8-1. PagePro 1250E Wiring Diagram1221PJ321SL1FEED1+24V1212PJ221TH1109PJ48765432110987654321CN1F+5VCH_L_REMT_VRT_MON_VT_MON_IB_VRC

1048-2. PagePro 1200W Wiring Diagram1221PJ321SL1FEED1+24VPaper Take-up Solenoid1212PJ221TH1Thermistor109PJ48765432110987654321CN1F+5VCH_L_REMT_VRT_MON

PagePro 1200 Series Safety114. Precautions for Dis/Reassembly• Be sure to unplug the printer from the outlet before attempting to service the printer.

PagePro 1200 Series Safety12Precautionary Information on the PC Drum Inside the Imaging Cartridge • Use care not to contaminate the surface of the PC

PagePro 1200 Series Safety13the U.S.A., Canada(CDRH Regulation)• This machine is certified as a Class I Laser product under Radiation Performance Stan

PagePro 1200 Series Safety14Finland, SwedenNorwayLUOKAN 1 LASERLAITEKLASS 1 LASER APPARATVAROITUS!Laitteen käyttäminen muulla kuin tässä käyttöohjeess

PagePro 1200 Series Safety151-7. Laser Safety Label• A laser safety label is attached to the outside of the machine as shown below.1-8. Laser Caution

PagePro 1200 Series Safety161-9. PRECAUTIONS FOR HANDLING THE LASER EQUIPMENT• When a disassembly job needs to be performed in the laser beam path, su

PagePro 1200 Series Installation172INSTALLATION2. Installation2-1. Installation EnvironmentWhen installing the printer, please avoid the types of loca

PagePro 1200 Series Installation182-4. Installation SpacePagePro 1200W shown belowC4127o507AA3.9 in. (100 mm)3.9 in. (100 mm)23.2 in. (589 mm)11.8 in.

PagePro 1200 Series Installation19PagePro 1250E shown belowC4127o007AA3.9 in. (100 mm)3.9 in. (100 mm)23.6 in. (600 mm)11.8 in.5.9 in.35.1 in. (891 mm

PagePro 1200 Series Installation20

PagePro 1200 Series General Information213GENERAL INFORMATION3. General Information3-1. Specifications(1) PrinterType Desk-Top Laser Beam PrinterPrint

PagePro 1200 Series General Information22Multi-purpose Tray (plain paper: 150 sheets)Manual Feed Tray (1 sheet)Second Paper Cassette Unit (plain paper

PagePro 1200 Series General Information23(2) Second Paper Cassette Unit (Option)Toner Cartridge Life(replacement T/C)6,000 prints or more (in continuo

PagePro 1200 Series General Information24(3) ControllerPagePro 1200W:PagePro 1250E:CPU M38073M4ASIC N1-Chips(Naltec original ASIC) Imaging MethodBand

PagePro 1200 Series General Information253-2. Parts IdentificationPagePro 1200W shown below1 Face-up Tray2 Face-down Tray3 Manual Feed Tray4 Multi-pur

PagePro 1200 Series General Information26PagePro 1250E shown below1 Face-up Tray2 Face-down Tray3 Manual Feed Tray4 Multi-purpose Tray5 Paper Cassette

PagePro 1200 Series General Information27PagePro 1250E shown below11 Face-up / Face-down Selection Switch12 Face-up Exit Roller13 Power Cord Socket14

PagePro 1200 Series General Information283-3. Components LayoutPagePro 1250E shown below.Note: The PagePro 1200W multipurpose tray has no cover.* 4,

PagePro 1200 Series General Information293-4. Drive Section(1) OverviewThe Main Motor (M1) transmits the drive to the rollers of the printer and the S

PagePro 1200 Series Table of ContentsiiiContents1. Safety Precautions for Inspection and Service ...

PagePro 1200 Series General Information303-5. Electrical Components Layout(1) PrinterM1 Main Motor S2 Interlock SwitchM2 Cooling Fan Motor PE1 Paper E

PagePro 1200 Series General Information31(2) ControllerPagePro 1200W shown belowPagePro 1250E shown belowPWB-P Controller BoardPWB-M Interface BoardPW

PagePro 1200 Series General Information32(3) Second Paper Cassette Unit (option)PI2 Paper Empty SensorPWB-A Connecting BoardSL21 Paper Take-up Solenoi

PagePro 1200 Series General Information333-6. Electrical Parts Function(1) PrinterSymbol Name FunctionH1 Heater LampA halogen lamp that supplies heat

PagePro 1200 Series General Information34(2) Second Paper Cassette Unit (option)Symbol Name FunctionSL21 Paper Take-up SolenoidControls gears and clut

PagePro 1200 Series General Information353-7. Explanation of Control PanelThe control panel has two indicator lights (LEDs) and one button.(1) Indicat

PagePro 1200 Series General Information36(2) Indicator Status* Displayed in the Status Monitor (within the printer status window box) of the PC.Ready

PagePro 1200 Series General Information37(3) Control Panel Button FunctionThe panel button is used to perform the various operations as detailed below

PagePro 1200 Series General Information38(4) To Reset the Counter of the Toner CartridgePerform the following procedure to reset the toner cartridge c

PagePro 1200 Series General Information39(6) Test Print Function (PagePro 1250E only)The configuration page should be printed out in order to ensure t

PagePro 1200 Series Table of Contentsiv7-4. Troubleshooting for Paper Misfeeds ...937-5.

PagePro 1200 Series General Information403-8. Electrical Service Parts on P.W.Boards(1) PagePro 1250E PWB-P (Controller Board)Symbol Item ExplanationC

PagePro 1200 Series General Information41(2) PagePro 1200W WB-P (Controller Board)PWB-M (Interface Board)PWB-OP (Operation Panel Board)Symbol Item Exp

PagePro 1200 Series General Information42(3) PU1 (Power Unit)F1 Protection Fuse (100-120 V area: 5 A, 125 V),(220-240 V area: 4 A, 250 V)F2 Protection

PagePro 1200 Series General Information43(4) HV1 (High Voltage Unit)C Drum Charging Voltage terminal (DC-1400 V max)B Developing Voltage terminal (DC-

PagePro 1200 Series General Information443-9. Timing Chart(1) Print Starting(2) Print Ending4127s070Print command(/PRINT)Polygon Motor (M5)Paper Take-

PagePro 1200 Series Mechanical / Electrical454MECHANICAL/ELECTRICAL4. Mechanical/Electrical4-1. Paper PathPaper can be fed into the printer either fro

PagePro 1200 Series Mechanical / Electrical464-2. Paper Take-up Section(1) Multi-purpose TrayMechanism• When the Paper Take-up Solenoid is energized,

PagePro 1200 Series Mechanical / Electrical47Paper Empty DetectionThere is a Paper Empty Sensor provided on the upper side of the Multi-purpose Tray.

PagePro 1200 Series Mechanical / Electrical48Cassette Type DetectionThe Second Paper Cassette Unit is provided with a Cassette Type Detecting Switch t

PagePro 1200 Series Mechanical / Electrical494-3. Drum Charge(1) Overview• The PC Drum is charged with static electricity before laser exposure.• The

PagePro 1200 Series Safety51. SAFETY PRECAUTIONS FOR INSPECTION AND SERVICE• When performing inspection and service procedures, observe the following

PagePro 1200 Series Mechanical / Electrical504-4. Laser ExposureLaser exposure is the process of creating an invisible static charge image on the PC D

PagePro 1200 Series Mechanical / Electrical51PRINTING AREA• The controller sends the VIDEO signal at the appropriate paper size to the engine (Control

PagePro 1200 Series Mechanical / Electrical524-5. Development(1) OverviewToner is applied to the invisible static image on the PC Drum and a toner ima

PagePro 1200 Series Mechanical / Electrical53(2) Explanation of Each PartNo. Name Description1 Toner Hopper Contains toner.2 Toner Agitating ScrewAgit

PagePro 1200 Series Mechanical / Electrical544-6. Image Transfer(1) Overview• Image transfer is the process of transferring the toner image created on

PagePro 1200 Series Mechanical / Electrical55(1) Overview• The toner image transferred onto the paper is securely fixed to the paper.• A heat roller s

PagePro 1200 Series Mechanical / Electrical56At 600 dpiThe printer is initialized upon power supply. The printer then starts warming up and the Heater

PagePro 1200 Series Mechanical / Electrical57Temperature immediately after temperature control startsThe state before discon-tinuation of temperature

PagePro 1200 Series Mechanical / Electrical584-8. Paper Exit(1) Face-up/Face-down Selection MechanismAfter fusing, the paper is ejected onto the Face-

PagePro 1200 Series Maintenance / Disassembly595MAINTENANCE/DISASSEMBLY5. Precautions for Maintenance/Disassembly5-1. Precautions for Disassembly (1)

PagePro 1200 Series Safety6WARNING3. Do not throw toner or the toner bottle into a fire.• Do not throw toner or the Toner Bottle (Imaging Cartridge, T

PagePro 1200 Series Maintenance / Disassembly60(3) Instructions for Handling the PWBs with MOS ICsThe following precautions must be observed when hand

PagePro 1200 Series Maintenance / Disassembly615-2. Maintenance Schedule List*The Toner Cartridge and Drum Cartridge are user replaceable items.5-3. R

PagePro 1200 Series Maintenance / Disassembly6235013504350535413544Tapping screw 3923 Tapping screwIllust No. D x L (mm) Illust No. D x L (mm)97359735

PagePro 1200 Series Maintenance / Disassembly635-5. Disassembly Procedures(1) Disassembly Procedure ChartPaper Take-up RollerController Board (PWB-P)R

PagePro 1200 Series Maintenance / Disassembly64Paper Take-up RollerController Board (PWB-P)Right CoverTop Cover, Rear CoverCooling Fan Motor (M2)Fusin

PagePro 1200 Series Maintenance / Disassembly65Second Paper Take-up RollerSecond Paper Cassette Unit(18)Connecting Board (PWB-A)(20)Cassette Type Dete

PagePro 1200 Series Maintenance / Disassembly66(2) Before Disassembly ProcedureBefore disassembling the machine, remove the following components:• Ton

PagePro 1200 Series Maintenance / Disassembly67PagePro 1250E shown belowC4127o029Drum CartridgeToner CartridgeFace-up Tray4127s028a4127s028b4127s101

PagePro 1200 Series Maintenance / Disassembly68(3) Replacing the Image Transfer Roller1. Swing down to the front the levers of the right and left bush

PagePro 1200 Series Maintenance / Disassembly69(4)Removal of the Paper Separator Unit1. Place the printer with its backside down and remove the Paper

PagePro 1200 Series Safety71-2. CautionWARNING9. Maintain a grounded connection at all times. • Connect the power cord to an electrical outlet that i

PagePro 1200 Series Maintenance / Disassembly70(6) Removal of the Controller Board (PWB-P)1. Remove the panel and panel button (three screws).2. Unplu

PagePro 1200 Series Maintenance / Disassembly71(7) Removal of the Left Cover1. Remove the Left Cover (two screws and tabs at two places).NOTE• When re

PagePro 1200 Series Maintenance / Disassembly72NOTE• When reinstalling the Front Cover, first fit tabs (at two places on the bottom) of the Front Cove

PagePro 1200 Series Maintenance / Disassembly73(9) Replacement of the Paper Take-up Roller1. Remove the Right Cover, Left Cover, Paper Separator Unit,

PagePro 1200 Series Maintenance / Disassembly74(11) Removal of the Paper Empty Sensor (PE1)1. Remove the Right Cover, Left Cover, Paper Separator Unit

PagePro 1200 Series Maintenance / Disassembly75(13) Removal of the Fusing Unit1. Remove the Right Cover, Left Cover, Top Cover, and Rear Cover.2. Remo

PagePro 1200 Series Maintenance / Disassembly76(14) Disassembly the Fusing Unit1. Remove the sensor fixing bracket and the Paper Exit Sensor.2. Remove

PagePro 1200 Series Maintenance / Disassembly773. Remove the two mounting screws.4. Pressing the right and left tabs (at two places), separate the upp

PagePro 1200 Series Maintenance / Disassembly787. Remove the lamp holder (two screws).8. Pull out the Heater Lamp.NOTES• Use care not to touch the lam

PagePro 1200 Series Maintenance / Disassembly7911. Remove the Fusing Paper Separators (at four places).12. Remove the Thermistor (one screw).NOTE• Rou

PagePro 1200 Series Safety8CAUTION2. Precautions for Servicing with Covers and Parts Removed.• Wherever feasible, keep all parts and covers mounted wh

PagePro 1200 Series Maintenance / Disassembly80(15) Removal of the Power Unit and High Voltage Board1. Remove the Right Cover, Left Cover, Top Cover,

PagePro 1200 Series Maintenance / Disassembly818. Remove the Paper Take-up Sensor (one connector).4127s0554121s078

PagePro 1200 Series Maintenance / Disassembly82(16) Removal of the Main Motor Assy1. Remove the Right Cover, Left Cover, Paper Separator Unit, Front C

PagePro 1200 Series Maintenance / Disassembly835. Remove the cartridge positioning plate (tabs at four places).6. Remove the Main Motor Assy (four scr

PagePro 1200 Series Maintenance / Disassembly84(17) Replacement of the Second Paper Take-up Roller1. Separate the printer and Second Paper Cassette Un

PagePro 1200 Series Maintenance / Disassembly853. Remove the Second Paper Take-up Unit (six screws).(19) Removal of the Connecting Board (PWB-A)1. Rem

PagePro 1200 Series Maintenance / Disassembly86(20) Removal of the Cassette Type Detecting Switch (SW21)1. Remove the Cassette Type Detecting Switch.(

PagePro 1200 Series Adjustment876ADJUSTMENT6. Adjustment6-1. Adjustment of Image RegistrationAfter Mechanical Control Board (Controller Board) is repl

PagePro 1200 Series Adjustment88

PagePro 1200 Series Troubleshooting897TROUBLESHOOTING7. Troubleshooting7-1. Paper Misfeed Detection(1) OverviewThe printer determines if paper is left

PagePro 1200 Series Safety91-3. Used Batteries PrecautionsALL AreasCAUTIONDanger of explosion if battery is incorrectly replaced.Replace only with the

PagePro 1200 Series Troubleshooting90purpose Tray (Paper Take-up Solenoid is energized, causing the Paper Take-up Roller to start turning) or within a

PagePro 1200 Series Troubleshooting917-2. PagePro 1250E Malfunction DetectionWhen any of the following malfunctions is detected, the drive for all ele

PagePro 1200 Series Troubleshooting927-3. PagePro 1200W Malfunction DetectionWhen any of the following malfunctions is detected, the drive for all ele

PagePro 1200 Series Troubleshooting937-4. Troubleshooting for Paper Misfeeds(1) Paper misfeed occurred when the Power switch is turned ON(2) Paper mis

PagePro 1200 Series Troubleshooting94(3) Paper misfeed occurred at the paper exit sectionCheck RemedyIs the leading edge out of the Exit Roller?→YesRe

PagePro 1200 Series Troubleshooting957-5. Troubleshooting For Malfunctions(1) No power(2) FATAL ERROR 02: Polygon Motor(3) FATAL ERROR 01: Main Motor(

PagePro 1200 Series Troubleshooting96Is there electrical conduction across con-nectors 1 and 3 of the Fusing Unit?→NoReplace the Fusing Unit.Or, repla

PagePro 1200 Series Troubleshooting97(5) FATAL ERROR 03: Fuser Fan(6) FATAL ERROR 04: H.V(7) FATAL ERROR 09: Engine I/F(8) FATAL ERROR 20: Controller

PagePro 1200 Series Troubleshooting987-6. Image Quality TroubleshootingWhen an image problem occurs, exchange the Toner Cartridge and/or Drum Cartridg

PagePro 1200 Series Troubleshooting99Symptom Possible Cause RemedyBlank print0951o211No Toner Cartridge Install a Toner Cartridge.Toner empty Replace