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Oki
24DX manual View a
Models:
24DX
1
71
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Troubleshooting
Specifications
Parts list
Interconnect Signal Diagram
Parts Replacement Methods
System Configuration
One side wire-bonding head
Check at the time of assembly
ERROR74
Tray auto Setting switch
Page 71
Image 71
F
Latch
5
View A
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3
2
4
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4
D
View A
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40930701TH DRAFT Vesion
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Page 71
Image 71
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Page 72
Contents
Draft Version
LED Page Printer
Preface
Contents
105
Connector IMSA-9714N-14A
Lever-Paper end & Lever-Paper near end
101
192
Interconnection Diagram 213 PCB Layout 214
191
Functions 191 Appearance and Parts Name
Parts List
OKI HSP
System Configuration
Shows the printer unit configuration
Printer Configuration
Optional Configuration
40930701TH Draft Vesion
Specification
Temperature and humidity
Safety Standards
Shows an OKIPAGE24DX / OKIPAGE24dx block diagram
OKIPAGE24DX / OKIPAGE24dx block diagram
PS ROM
Main Control Board BOARD-FFF
Program/font ROMs
PCL ROM
Menu
Eeprom
LAN
ON/X-OFF Rbst X-ON
Board-FSL or Board-FSL-2 4MB 8MB
Power Supply Unit
OFF
Shows the sensor layout diagram
LED Head
Electro-photographic Process
40930701TH Draft Vesion
40930701TH Draft Vesion
Paper Eject roller
PWM1-P Cluch for hopping PWM2-P Cluch for Registration
DMON-N Drum Motor HMON-N Hopping Motor
Duplex Unit OFF Paper Tray Printer
Printer Stacker Duplex Printing Timing Chart
Duplex Unit
DUPRSNS-N Rear Sensor inDUPLEX Unit DUPFSNS-N Front Sensor
Hopping Motor Front Feeder Duplex Unit 1st Tray
Pressure Roller Regist Roller
Start printing. after the paper turns off the Write Sensor
180 FF Cam Micro SW Front Feeder Plate
Home position
~30
Front Hopping Shaft
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
Retracting paper Sending out paper
SNS DUP
Roller
LED LED LED LED LED LED LED
STRB4-N STRB3-N Data
LSI Eeprom
Clock
STRB1-N STRB2-N STRB3-N STRB4-N
Read
Data
Clock Load
STRB4~1
Direct
CPU
One side wire-bonding head
Correction
Total 5200 clocks
LED Correction Data
Clock Load DATA3~0 STRB1-N STRB2-N STRB3-N STRB4-N
Printing operation timing chart is shown below
Paper Jam Detection
Cover Open
Stirring Gear
Toner Low Detection
T1 2.727/4 727 SEC
Toner Full state
Toner LOW state
SW1 SW2 SW3 SW4
Stacker-full Detection
Size Detection
Paper size
Precautions for Parts Replacement
Service Tools Place of use
Parts Layout
Roller
Guide
Photo sensor Motor Solenoid Assy
This section explains how to below
How to Change Parts
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
118
Cleaning
Periodic Replacing Part
119
120
Troubleshooting Tips
Points to Check before Correcting Image Problems
Tips for Correcting Image Problems
121
Preparation for Troubleshooting
Troubleshooting Flow
DUPLEX, Simplex
122
Category LCD status message Trouble or status Remedy
Received and abandoned until the completion of a job
123
124
Manual A4 Size Request
125
Load the requested paper in tray
126
FFF
127
DUP R SNS on ~ DUP F SNS on
128
DUP Insns on
DUP Insns OFF
129
If the error occurs frequently, see chapter
Trouble or status Remedy Message
130
Category
LCD Ready
Trouble or status Remedy
131
Category LCD
132
Time-out between the printer and the operator panel
ERROR74
ERROR80
133
YES END
Printer does not work normally after being turned on
134
Message shown in the LCD display? Replace the Main board
135
Yes Is
Initializing
INLETSW1
Power Connector
136
137
Replace the Gear ASSY-CLUTCH Z50
JAM error Paper input jam 1st tray
138
139
Replace the front feeder paper sensor assembly
Paper input jam front feeder
140
Paper feed jam
Go to on the next page a
141
142
143
Paper exit jam
144
Duplex Input JAM
145
Duplex Feed JAM1
Duplex Feed JAM
Sensor F/R
146
Is the Duplex Front sensor lever operating normally?
Does the outlet sensor lever operate smoothly
Paper size error
147
148
Fuser unit error Error 71, Error 72, Error
149
150
F time-out between printer and optional tray Error
F time-out between printer and Duplex Unit Error
151
Message cannot be received through the parallel interface
152
Message cannot be received through the serial interface
OK?
Synchronous serial I/O error Error
Data cannot be received through the OKI HSP interface
153
Abnormal images
154
Replace the image drum cartridge
Replace the Main board or Power Supply Unit High Voltage
Image are light or blurred a whole
155
Enter keys. Set the LED head drive time. Refer to Section
Dark background density
Black paper is output
156
Refer to Section
Black belts or stripes in the vertical direction
157
Enter keys. Set the LED head drive time
158
Cyclic error
159
Print voids
160
Poor fusing
Yes Replace the LED head Has the trouble been removed?
White belts or streaks in the vertical direction
161
162
Snowy print of high density pattern
Blockly faded print
163
164
165
Interconnect Signal Diagram
To Printer Unit
166
Main board BOARD-FFF
PCB Layout
167
168
Power supply board AC120V/230V
Power supply board High voltage
ROM
169
LEX-PCB
CPU
170
Resistance Check
171
Case of EP ROM or OTP ROM
Program/Font ROM Location
172
Case of Mask ROM
173
Printer Unit
174
Duplex Unit ODA
175
SMCD6X280BDX10BL
Frame-Main
176
Frame-Main Unit 1/2
177
PLATE-FG F
178
Frame-Main Unit 2/2
Roller ASS.-BK
Base Unit
179
GEAR-Z58
180
Base Unit 1/2
GEAR-Z38 NK3-16SUS
BRACKET-AC
181
Base Unit 2/2
182
PULLEY-MXL25
183
Duplex Unit 1/2
GEAR-Z40S6
NK2-12SUS
184
Duplex Unit 2/2
SPRING-SL
185
Connector pin arrangement
High
186
LOW
187
Timing charts Compatible mode Data receiving timing
On-line → off-line switching timing by ON-LINE SW
Off-line → on-line switching timing by ON-LINE SW
INPUT. Prime Busy Select
Nibble Mode Conforms to Ieee 1284 spec ECP Mode
188
189
Appendix B RS-232C Serial Interface
Input
190
Input Output
191
Functions
Appearance and Parts Name
192
Driving Mechanism
193
194
Hopper Mechanism
195
Precautions Concerning Parts Replacement
4PP4076-5395P1
196
OKI P/N
This section describes the layout of the main components
197
198
Parts Replacement Methods
199
200
201
202
203
204
205
206
207
208
209
210
Precautions Prior to the Troubleshooting
Preparations for the Troubleshooting
211
Troubleshooting Method
YES
212
To 3rd Tray
Interconnection Diagram 2nd tray/ 3rd
Tray auto Setting switch
To Printer Unit 2nd Tray
BBB-PCB
214
215
High Capacity Second/ Third Paper Feeder 1/2
216
High Capacity Second/ Third Paper Feeder 2/2
217
Approximately 50 sheets of envelopes can be set at a time
External View and Component Names
218
Main functions are the followings Paper that can be used
219
General Mechanism
220
221
222
223
224
Check at the time of assembly
225
226
227
228
229
230
231
232
Checkfeeder
233
Check Feeder
234
235
Interconnection Diagram
236
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