137 | Oki 24DX specs

			25 26
SW1				CN3
			1	2
		PC501
		F2
		F1
		CN2
CN5	1
CN5	3	1	15
		1	15
			CN6
		CN7
		1	15
		CL2
		CH
		FG
		CB
		DB
		SB

TNSNS	WRSNS
SW1
PSIN2	PSIN1

Figure 6-3 Connector and Pin Location

40930701TH DRAFT Vesion

137 /

Image 118

Oki 24DX manual 137

Contents

LED Page Printer Draft Version Preface Contents 101 Connector IMSA-9714N-14ALever-Paper end & Lever-Paper near end 105 Functions 191 Appearance and Parts Name Interconnection Diagram 213 PCB Layout 214191 192 Parts List System Configuration OKI HSP Printer Configuration Shows the printer unit configuration Optional Configuration 40930701TH Draft Vesion Specification Temperature and humidity Safety Standards Shows an OKIPAGE24DX / OKIPAGE24dx block diagram OKIPAGE24DX / OKIPAGE24dx block diagram PCL ROM Main Control Board BOARD-FFFProgram/font ROMs PS ROM Eeprom Menu ON/X-OFF Rbst X-ON LAN Board-FSL or Board-FSL-2 4MB 8MB Power Supply Unit Shows the sensor layout diagram OFF Electro-photographic Process LED Head 40930701TH Draft Vesion 40930701TH Draft Vesion Paper Eject roller DMON-N Drum Motor HMON-N Hopping Motor PWM1-P Cluch for hopping PWM2-P Cluch for Registration DUPRSNS-N Rear Sensor inDUPLEX Unit DUPFSNS-N Front Sensor Printer Stacker Duplex Printing Timing ChartDuplex Unit Duplex Unit OFF Paper Tray Printer Hopping Motor Front Feeder Duplex Unit 1st Tray Pressure Roller Regist Roller Start printing. after the paper turns off the Write Sensor Front Hopping Shaft Home position~30 180 FF Cam Micro SW Front Feeder Plate Gear E Clutch Feed Gear D Align Roller Main Motor Power Supply 40930701TH Draft Vesion Image drum Paper Transfer roller Heater Separation Claw Image Drum Cleaning Roller Power Supply Transfer Roller Roller SNS DUPRetracting paper Sending out paper Clock STRB4-N STRB3-N DataLSI Eeprom LED LED LED LED LED LED LED Clock Load ReadData STRB1-N STRB2-N STRB3-N STRB4-N Direct STRB4~1 One side wire-bonding head CPU Correction Total 5200 clocks LED Correction Data Printing operation timing chart is shown below Clock Load DATA3~0 STRB1-N STRB2-N STRB3-N STRB4-N Paper Jam Detection Cover Open Toner Low Detection Stirring Gear Toner LOW state Toner Full stateT1 2.727/4 727 SEC Paper size Stacker-full DetectionSize Detection SW1 SW2 SW3 SW4 Precautions for Parts Replacement Service Tools Place of use Parts Layout Roller Guide Photo sensor Motor Solenoid Assy How to Change Parts This section explains how to below 40930701TH Draft Vesion Unlock this part before removing 40930701TH Draft Vesion 40930701TH Draft Vesion 40930701TH Draft Vesion 40930701TH Draft Vesion 40930701TH Draft Vesion 40930701TH Draft Vesion 40930701TH Draft Vesion 40930701TH Draft Vesion 40930701TH Draft Vesion 40930701TH Draft Vesion 40930701TH Draft Vesion View a 40930701TH Draft Vesion 40930701TH Draft Vesion 40930701TH Draft Vesion 40930701TH Draft Vesion 40930701TH Draft Vesion 40930701TH Draft Vesion 40930701TH Draft Vesion 40930701TH Draft Vesion 40930701TH Draft Vesion 40930701TH Draft Vesion 40930701TH Draft Vesion 40930701TH Draft Vesion 40930701TH Draft Vesion 40930701TH Draft Vesion 40930701TH Draft Vesion 40930701TH Draft Vesion 40930701TH Draft Vesion 40930701TH Draft Vesion 40930701TH Draft Vesion 40930701TH Draft Vesion Pull the Duplex Unit out of the unit Printer Groove PLATE-Earth F/R 40930701TH Draft Vesion 40930701TH Draft Vesion From the results of installation View 40930701TH Draft Vesion Periodic Replacing Part Cleaning118 119 Tips for Correcting Image Problems Troubleshooting TipsPoints to Check before Correcting Image Problems 120 Troubleshooting Flow Preparation for Troubleshooting121 Category LCD status message Trouble or status Remedy 122DUPLEX, Simplex 123 Received and abandoned until the completion of a job 124 125 Manual A4 Size Request 126 Load the requested paper in tray 127 FFF DUP Insns OFF 128DUP Insns on DUP R SNS on ~ DUP F SNS on If the error occurs frequently, see chapter 129 LCD Ready 130Category Trouble or status Remedy Message 131 Trouble or status Remedy 132 Category LCD 133 ERROR74ERROR80 Time-out between the printer and the operator panel 134 Printer does not work normally after being turned onYES END Initializing 135Yes Is Message shown in the LCD display? Replace the Main board 136 Power ConnectorINLETSW1 137 138 JAM error Paper input jam 1st trayReplace the Gear ASSY-CLUTCH Z50 Paper input jam front feeder Replace the front feeder paper sensor assembly139 Paper feed jam 140 141 Go to on the next page a 142 Paper exit jam 143 Duplex Input JAM 144 Duplex Feed JAM Duplex Feed JAM1145 Is the Duplex Front sensor lever operating normally? 146Sensor F/R 147 Paper size errorDoes the outlet sensor lever operate smoothly Fuser unit error Error 71, Error 72, Error 148 149 F time-out between printer and Duplex Unit Error F time-out between printer and optional tray Error150 Message cannot be received through the parallel interface 151 Message cannot be received through the serial interface 152 153 Synchronous serial I/O error ErrorData cannot be received through the OKI HSP interface OK? 154 Abnormal images 155 Replace the Main board or Power Supply Unit High VoltageImage are light or blurred a whole Replace the image drum cartridge 156 Dark background densityBlack paper is output Enter keys. Set the LED head drive time. Refer to Section Enter keys. Set the LED head drive time Black belts or stripes in the vertical direction157 Refer to Section Cyclic error 158 Print voids 159 Poor fusing 160 161 White belts or streaks in the vertical directionYes Replace the LED head Has the trouble been removed? Blockly faded print Snowy print of high density pattern162 163 164 Interconnect Signal Diagram 165 166 To Printer Unit 167 PCB LayoutMain board BOARD-FFF Power supply board High voltage Power supply board AC120V/230V168 CPU 169LEX-PCB ROM Resistance Check 170 171 172 Program/Font ROM LocationCase of EP ROM or OTP ROM 173 Case of Mask ROM 174 Printer Unit SMCD6X280BDX10BL 175Duplex Unit ODA 176 Frame-Main 177 Frame-Main Unit 1/2 Roller ASS.-BK 178Frame-Main Unit 2/2 PLATE-FG F 179 Base Unit GEAR-Z38 NK3-16SUS 180Base Unit 1/2 GEAR-Z58 Base Unit 2/2 181BRACKET-AC 182 GEAR-Z40S6 183Duplex Unit 1/2 PULLEY-MXL25 SPRING-SL 184Duplex Unit 2/2 NK2-12SUS Connector pin arrangement 185 LOW 186High Off-line → on-line switching timing by ON-LINE SW Timing charts Compatible mode Data receiving timingOn-line → off-line switching timing by ON-LINE SW 187 188 Nibble Mode Conforms to Ieee 1284 spec ECP ModeINPUT. Prime Busy Select Appendix B RS-232C Serial Interface 189 Input Output 190Input Appearance and Parts Name Functions191 Driving Mechanism 192 193 Hopper Mechanism 194 Precautions Concerning Parts Replacement 195 OKI P/N 1964PP4076-5395P1 197 This section describes the layout of the main components Parts Replacement Methods 198 199 200 201 202 203 204 205 206 207 208 209 Preparations for the Troubleshooting Precautions Prior to the Troubleshooting210 Troubleshooting Method 211 212 YES To Printer Unit 2nd Tray Interconnection Diagram 2nd tray/ 3rdTray auto Setting switch To 3rd Tray 214 BBB-PCB 215 216 High Capacity Second/ Third Paper Feeder 1/2 217 High Capacity Second/ Third Paper Feeder 2/2 Main functions are the followings Paper that can be used External View and Component Names218 Approximately 50 sheets of envelopes can be set at a time General Mechanism 219 220 221 222 223 Check at the time of assembly 224 225 226 227 228 229 230 231 232 Check Feeder 233Checkfeeder 234 Interconnection Diagram 235 236 237 /237