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24DX manual 40930701TH Draft Vesion
Models:
24DX
1
10
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Troubleshooting
Specs
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 10
Image 10
(4) Flash ROM module (72 pin SIMM, 4MB/8MB)
See 7.2 (1) for where to install.
40930701TH DRAFT Vesion
10 /
Page 9
Page 11
Page 10
Image 10
Page 9
Page 11
Contents
LED Page Printer
Draft Version
Preface
Contents
101
Connector IMSA-9714N-14A
Lever-Paper end & Lever-Paper near end
105
Functions 191 Appearance and Parts Name
Interconnection Diagram 213 PCB Layout 214
191
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-FFF
Program/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 Chart
Duplex 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 DUP
Retracting paper Sending out paper
Clock
STRB4-N STRB3-N Data
LSI Eeprom
LED LED LED LED LED LED LED
Clock Load
Read
Data
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 state
T1 2.727/4 727 SEC
Paper size
Stacker-full Detection
Size 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
Cleaning
118
119
Tips for Correcting Image Problems
Troubleshooting Tips
Points to Check before Correcting Image Problems
120
Troubleshooting Flow
Preparation for Troubleshooting
121
Category LCD status message Trouble or status Remedy
122
DUPLEX, 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
128
DUP Insns on
DUP R SNS on ~ DUP F SNS on
If the error occurs frequently, see chapter
129
LCD Ready
130
Category
Trouble or status Remedy Message
131
Trouble or status Remedy
132
Category LCD
133
ERROR74
ERROR80
Time-out between the printer and the operator panel
134
Printer does not work normally after being turned on
YES END
Initializing
135
Yes Is
Message shown in the LCD display? Replace the Main board
136
Power Connector
INLETSW1
137
138
JAM error Paper input jam 1st tray
Replace the Gear ASSY-CLUTCH Z50
Paper input jam front feeder
Replace the front feeder paper sensor assembly
139
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 JAM1
145
Is the Duplex Front sensor lever operating normally?
146
Sensor F/R
147
Paper size error
Does 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 Error
150
Message cannot be received through the parallel interface
151
Message cannot be received through the serial interface
152
153
Synchronous serial I/O error Error
Data cannot be received through the OKI HSP interface
OK?
154
Abnormal images
155
Replace the Main board or Power Supply Unit High Voltage
Image are light or blurred a whole
Replace the image drum cartridge
156
Dark background density
Black 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 direction
157
Refer to Section
Cyclic error
158
Print voids
159
Poor fusing
160
161
White belts or streaks in the vertical direction
Yes Replace the LED head Has the trouble been removed?
Blockly faded print
Snowy print of high density pattern
162
163
164
Interconnect Signal Diagram
165
166
To Printer Unit
167
PCB Layout
Main board BOARD-FFF
Power supply board High voltage
Power supply board AC120V/230V
168
CPU
169
LEX-PCB
ROM
Resistance Check
170
171
172
Program/Font ROM Location
Case of EP ROM or OTP ROM
173
Case of Mask ROM
174
Printer Unit
SMCD6X280BDX10BL
175
Duplex Unit ODA
176
Frame-Main
177
Frame-Main Unit 1/2
Roller ASS.-BK
178
Frame-Main Unit 2/2
PLATE-FG F
179
Base Unit
GEAR-Z38 NK3-16SUS
180
Base Unit 1/2
GEAR-Z58
Base Unit 2/2
181
BRACKET-AC
182
GEAR-Z40S6
183
Duplex Unit 1/2
PULLEY-MXL25
SPRING-SL
184
Duplex Unit 2/2
NK2-12SUS
Connector pin arrangement
185
LOW
186
High
Off-line → on-line switching timing by ON-LINE SW
Timing charts Compatible mode Data receiving timing
On-line → off-line switching timing by ON-LINE SW
187
188
Nibble Mode Conforms to Ieee 1284 spec ECP Mode
INPUT. Prime Busy Select
Appendix B RS-232C Serial Interface
189
Input Output
190
Input
Appearance and Parts Name
Functions
191
Driving Mechanism
192
193
Hopper Mechanism
194
Precautions Concerning Parts Replacement
195
OKI P/N
196
4PP4076-5395P1
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 Troubleshooting
210
Troubleshooting Method
211
212
YES
To Printer Unit 2nd Tray
Interconnection Diagram 2nd tray/ 3rd
Tray 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 Names
218
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
233
Checkfeeder
234
Interconnection Diagram
235
236
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