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Oki
24DX manual
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Contents
Main
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CONTENTS
2. OPERATION DESCRIPTION ...................................................................... 14
6. TROUBLESHOOTING PROCEDURES ...................................................... 120
APPENDIX D MULTI FEEDER MAINTENANCE................................................ 218
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1. CONFIGURATION 1.1 System Configuration
Figure 1-1
Printer
: Paper feeding : Singal flow
*: Consumables : produced by third vender
1.2 Printer Configuration
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1.4 Specification
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Figure 2-1 OKIPAGE24DX / OKIPAGE24dx block diagram
2.1 Main Control Board (BOARD-FFF)
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Board-FSL or Board-FSL-2
(4MB) (8MB)
2.2 Power Supply Unit
Figure 2-3
Figure 2-3 shows the sensor layout diagram.
2.3 Electro-photographic Process
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Figure 2-5
Figure 2-6
Figure 2-7
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(i) Read of correction data
(ii) Transfer of correction data to head driver correction data
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(i) Read of correction data
(ii) Transfer of correction data to head driver correction data
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2.4 Paper Jam Detection
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2.6 Toner Low Detection
Magnet Protrusion
Stirring Bar Stirring Gear
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2.7 Stacker-full Detection
2.8 Page Size Detection
3.1 Precautions for Parts Replacement
Table 3-1 shows the tools required for field replacement of printed circuit boards and units.
Figure 3-1
3.2 Parts Layout
Figure 3-2
Figure 3-3
Figure 3-4
3.3 How to Change Parts
This section explains how to change parts and assemblies appearing in the disassembly diagram below.
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5. PERIODIC MAINTENANCE 5.1 Periodic Replacing Part
5.2 Cleaning
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6.4 Preparation for Troubleshooting
6.5 Troubleshooting Flow
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1The printer does not work normally after being turned on.
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40930701TH DRAFT Vesion 136 /
FRONT
IC5 IC6 IC31
IC7 IC8 IC30
Figure 6-1 Connector and Pin Location
C2C3
C1
INLET L3 SW1
L4
Figure 6-3 Connector and Pin Location
[JAM error] 2-1 Paper input jam (1st tray)
A
2-2 Paper input jam (front feeder)
B
A
2-3 Paper feed jam
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2-4 Paper exit jam
2-5 Duplex INPUT JAM
2-6 Duplex FEED JAM1
2-7 Duplex FEED JAM 2
2-8 Duplex FEED JAM 3
3Paper size error
4Fuser unit error (ERROR 71), (ERROR 72), (ERROR 73)
A
B
A
B
7I/F time-out occurs between the printer and the operator panel (ERROR 80) .
5I/F time-out between printer and optional tray (ERROR 81) .
6I/F time-out between printer and Duplex Unit (ERROR 83)
8Message cannot be received through the parallel interface.
9Message cannot be received through the serial interface.
0Data cannot be received through the OKI HSP interface
ASynchronous serial I/O error (ERROR 74)
C
1Image are light or blurred a whole.
2Dark background density
3Black paper is output.
4Black belts or stripes in the vertical direction
5Cyclic error
Notes:
6Print voids
7Poor fusing
8White belts or streaks in the vertical direction
9Snowy print of high density pattern
0Blockly faded print
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7. WIRING DIAGRAM 7.1 Interconnect Signal Diagram
SENSOR
STUKKER FULL
3P
STKFULL
BOARD-LEX
to Printer Unit
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7.2 PCB Layout
Socket for FLASH SIMM
PCL ROM (EVEN1)
PS ROM (EVEN)
PCL ROM (ODD1)
(2) Power supply board (AC120V/230V)
(3) Power supply board (High voltage)
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(4) LEX-PCB
12 1
ROM
CPU
MAIN
M
7.3 Resistance Check
M
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7.4 Program/Font ROM Location
(1) In case of EP ROM or OTP ROM
40439501 40439601 40439701 40439801
Note
Note: short plug (TA1) setting setting: 1pin2pin
(2) In case of MASK ROM
IC7 IC8 IC30
RS232C
MUPIS
FANENDLOW2NDTRAY CLRCLH
8. PARTS LIST
Figure 8-1 Printer Unit
Table 8-1 Printer Unit
Figure 8-2 Frame-Main Unit
Table 8-2 Frame-Main Unit (1/2)
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Table 8-2 Frame-Main Unit (2/2)
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Figure 8-3 Base Unit
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Table 8-3 Base Unit (1/2)
Table 8-3 Base Unit (2/2)
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Figure 8-4 Duplex Unit
Table 8-4 Duplex Unit (1/2)
Table 8-4 Duplex Unit (2/2)
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Appendix A CENTRONICS PARALLEL INTERFACE
Connector pin arrangement
Cable is not provided. 3) Table of parallel I/F signals
C
R1
R2
+5V 74LS19 or equivalent
6) Timing charts Compatible mode a) Data receiving timing
b) On-line off-line switching timing by ON-LINE SW
c) Off-line on-line switching timing by ON-LINE SW
SELECT ACKNOWLEDGE
ON-LINE SW BUSY
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Appendix B RS-232C SERIAL INTERFACE
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2. DESCRIPTION OF OPERARTION 2.1 Driving Mechanism
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3.1 Precautions Concerning Parts Replacement
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3.3 Parts Replacement Methods
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4.3 Troubleshooting Method
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5. CONNECTION DIAGRAM 5.1 Interconnection Diagram
BOARD-BBB
to PRINTER UNIT / 2nd TRAY 2nd tray/ 3rd tray auto setting switch
to 3rd TRAY
5.2 PCB Layout
BBB-PCB
IC1
CPU
6. PARTS LIST
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Table 6-1 High Capacity Second/ Third Paper Feeder (1/2)
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Table 6-1 High Capacity Second/ Third Paper Feeder (2/2)
Appendix D MULTI FEEDER MAINTENANCE 1. OUTLINE 1.1 Functions
1.2 External View and Component Names
* approximately 50 sheets of envelopes can be set at a time.
2. MECHANISM DESCRIPTION 2.1 General Mechanism
2.2 Hopper Mechanism
3.1 Precautions Concerning Parts Replacement
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5. CONNECTION DIAGRAM 5.1 Interconnection Diagram
AOLE - PCB
M
5.2 PCB Layout
6. PARTS LIST
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Table 6-1 Multi Feeder
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