%Troubleshooting flow chart 5:
Troubleshooting flow chart 5: Printer Alarm 4
START
PRINTER ALARM 4 appears on the LCD display.
Power OFF, then power ON.
After a short delay, does "PRINTER ALARM 4" appear on the LCD display?
YES Remove the fuser assembly for testing (Refer to the Action Items Diagram). Check the resistance
between the thermistor contacts. At room temperature, it should read approximately 100 Kohms. (about
1.5 Kohms at high temperature).
Is the resistance correct?
NO Replace the fusing unit.
YES Does the thermistor contact correctly touch the contact assembly when the fusing unit is installed?
(Refer to the Action Items Diagram)
NO Adjust the contacts as necessary.
YES Refer to Action Item 10. Power OFF, then Power ON.
Does PRINTER ALARM 4 occur approximately 60 seconds after powering ON the unit?
YES Is the heater lamp of the fusing unit ON? To check, remove the stacker cover. Overide the cover
interlock. Light can be seen from the ends of the fuser when the heater lamp is ON.
NO Is the heater or thermistor open? Measure the resistance between the two heater contacts. Normal
resistance is approximately 0 ohms.
YES Replace the fusing unit.
NO Is the AC voltage from the fuser present at the contact assembly?
NO Replace the MCNT board. If the problem persists, replace the power supply board.
YES Replace the fusing unit.
Содержание OKIFAX 1050
Страница 1: ...Chapter 0 Front Cover...
Страница 14: ...Figure 1 4 2 OKIFAX 1050 Control Panel Figure 1 4 2 OKIFAX 1050 Control Panel...
Страница 15: ...Figure 1 4 3 OKIFAX 2350 Control Panel Figure 1 4 3 OKIFAX 2350 Control Panel...
Страница 16: ...Figure 1 4 4 OKIFAX 2450 Control Panel Figure 1 4 4 OKIFAX 2450 Control Panel...
Страница 25: ...Figure 1 5 1 Ambient Condition...
Страница 35: ...Telephone Directory for OKIFAX 1050 1 2 Example Telephone Directory for OKIFAX 1050 1 2 Example...
Страница 36: ...Telephone Directory for OKIFAX 1050 2 2 Example Telephone Directory for OKIFAX 1050 2 2 Example...
Страница 37: ...Telephone Directory for OKIFAX 2350 1 4 Example Telephone Directory for OKIFAX 2350 1 4 Example...
Страница 38: ...Telephone Directory for OKIFAX 2350 2 4 Example Telephone Directory for OKIFAX 2350 2 4 Example...
Страница 39: ...Telephone Directory for OKIFAX 2350 3 4 Example Telephone Directory for OKIFAX 2350 3 4 Example...
Страница 40: ...Telephone Directory for OKIFAX 2350 4 4 Example Telephone Directory for OKIFAX 2350 4 4 Example...
Страница 41: ...Telephone Directory for OKIFAX 2450 1 6 Example Telephone Directory for OKIFAX 2450 1 6 Example...
Страница 42: ...Telephone Directory for OKIFAX 2450 2 6 Example Telephone Directory for OKIFAX 2450 2 6 Example...
Страница 43: ...Telephone Directory for OKIFAX 2450 3 6 Example Telephone Directory for OKIFAX 2450 3 6 Example...
Страница 44: ...Telephone Directory for OKIFAX 2450 4 6 Example Telephone Directory for OKIFAX 2450 4 6 Example...
Страница 45: ...Telephone Directory for OKIFAX 2450 5 6 Example Telephone Directory for OKIFAX 2450 5 6 Example...
Страница 46: ...Telephone Directory for OKIFAX 2450 6 6 Example Telephone Directory for OKIFAX 2450 6 6 Example...
Страница 53: ...Figure 2 3 1 Unpacking Procedure 2...
Страница 54: ...Figure 2 3 2 Unpacking Procedure 3...
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Страница 98: ...Table 2 9 3 5 6 Feature Specifications Table 2 9 3 5 6 Feature Specifications Dual Access Combination Table 1 2...
Страница 100: ......
Страница 101: ...Users Initial Settings Users Initial Settings One Touch Key Operations...
Страница 118: ...2 9 7 Dual Access Operation for OKIFAX 2350 2450 2 9 7 Dual Access Operation for OKIFAX 2350 2450...
Страница 120: ......
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Страница 125: ...Case 2 Cancelling member s from a group...
Страница 126: ......
Страница 128: ...2 9 12 02 Procedure 2 9 12 02 Procedure Table 2 9 11 Default Settings of Dial Parameters...
Страница 135: ...Fig 2 9 4 Printed Data of Self diagnosis Print Test Example...
Страница 138: ...Fig 2 9 5 Typical Transmission Flow Fig 2 9 5 Typical Transmission Flow...
Страница 139: ...Fig 2 9 6 Typical Reception Flow Fig 2 9 6 Typical Reception Flow...
Страница 159: ...3 5 07 HOOK board Optional handset 3 5 07 HOOK board Optional handset Hook switch circuit...
Страница 160: ...3 5 08 TELU board Option For US and Canada 3 5 08 TELU board Option For US and Canada Speech network circuit...
Страница 163: ...Figure 3 5 2 OKIFAX 2350 2450 Block Diagram Figure 3 5 2 OKIFAX 2350 2450 Block Diagram...
Страница 167: ...Okifax 1050 300 bps Send Signal Okifax 1050 300 bps Send Signal...
Страница 168: ...Okifax 1050 300 bps Send Signal Okifax 1050 300 bps Send Signal...
Страница 169: ...Okifax 1050 G3 Send Picture Signal Okifax 1050 G3 Send Picture Signal...
Страница 170: ...Okifax 1050 G3 Receive Picture Signal Okifax 1050 G3 Receive Picture Signal...
Страница 171: ...Okifax 1050 Report Print Signal Okifax 1050 Report Print Signal...
Страница 173: ...Okifax 2350 2450 bps Send Okifax 2350 2450 bps Send...
Страница 174: ...Okifax 2350 2450 bps Receive Signal Okifax 2350 2450 bps Receive Signal...
Страница 175: ...Okifax 2350 2450 G3 Send Picture Signal Okifax 2350 2450 G3 Send Picture Signal...
Страница 176: ...Okifax 2350 2450 G3 Receive Picture Signal Okifax 2350 2450 G3 Receive Picture Signal...
Страница 177: ...Okifax 2350 2450 Report Print Signal Okifax 2350 2450 Report Print Signal...
Страница 179: ...CN3 28 8 V 0 1 A 0 to 0 1 A 15 to 6 5 V 3 0 VP P 3 6 VP P...
Страница 180: ...General functional description General functional description...
Страница 186: ...Block Diagram of TEL U option Block Diagram of TEL U option...
Страница 187: ...Relationship between NCUU and TEL U Relationship between NCUU and TEL U...
Страница 189: ...Expanded Memory Optional OKIFAX 1050 2350 2450...
Страница 193: ...Layout of Print Station Components Layout of Print Station Components...
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Страница 212: ...Figuree 3 21 1 Sensor Location Top View Figure 3 21 2 Detail of Sensor Lever...
Страница 218: ......
Страница 224: ...2 Reassembly procedure Reverse the disassembly procedures...
Страница 226: ...Title of Section...
Страница 227: ...Title of Section...
Страница 228: ...Title of Section...
Страница 241: ...HASH OK 1507 Figure 6 5 1 Self diagnosis Data...
Страница 243: ...Note After adjustment of levels check the copy quality by copying test charts or documents...
Страница 244: ...6 7 LED Test 6 7 LED Test 6 7 01 Purpose To check all LEDs on operation panel by lighting 6 7 02 Procedure...
Страница 260: ...90F2 Fuser error 90F3 Recording paper size error 90F4 Cover open...
Страница 262: ...7 1 Overall Troubleshooting Flow Chart 7 1 Overall Troubleshooting Flow Chart...
Страница 263: ...7 2 No LCD Operation 7 2 No LCD Operation...
Страница 264: ...7 3 ALARM LED On 7 3 ALARM LED On...
Страница 265: ...7 4 Printing Test Failure 7 4 Printing Test Failure...
Страница 266: ...7 5 No Local Copy 7 5 No Local Copy...
Страница 270: ...7 8 Auto Reception Failure 7 8 Auto Reception Failure...
Страница 274: ...7 11 LED Test 7 11 LED Test...
Страница 275: ...7 12 Tone Send Test 7 12 Tone Send Test...
Страница 276: ...7 13 High speed Modem Test 7 13 High speed Modem Test...
Страница 277: ...7 14 MF Send Test 7 14 MF Send Test...
Страница 278: ...7 15 Tone TEL FAX Send Test 7 15 Tone TEL FAX Send Test...
Страница 280: ...7 17 Power Supply Unit 7 17 Power Supply Unit...
Страница 283: ...7 20 Document Skew 7 20 Document Skew...
Страница 284: ...7 21 Document Jam 7 21 Document Jam...
Страница 287: ...Troubleshooting flow chart 1 Troubleshooting flow chart 1 The cover copy stacker is open...
Страница 288: ...Troubleshooting flow chart 2 Troubleshooting flow chart 2 Warning message to replace ID unit because of its life...
Страница 289: ...Troubleshooting flow chart 3 Troubleshooting flow chart 3 Engine controller error ROM RAM error...
Страница 290: ...Troubleshooting flow chart 4 Troubleshooting flow chart 4 Fan motor rotation error...
Страница 296: ...Troubleshooting flow chart 8 Troubleshooting flow chart 8...
Страница 297: ...Troubleshooting flow chart 9 Troubleshooting flow chart 9...
Страница 298: ...Troubleshooting flow chart 10 Troubleshooting flow chart 10...
Страница 299: ...Troubleshooting flow chart 11 Troubleshooting flow chart 11...
Страница 301: ...Troubleshooting flow chart 13 Troubleshooting flow chart 13...
Страница 302: ...Troubleshooting flow chart 14 Troubleshooting flow chart 15 Troubleshooting flow chart 14 Troubleshooting flow chart 15...
Страница 303: ......
Страница 304: ...Chapter 8 ASSEMBLY OKIFAX 1050 OKIFAX 1050...
Страница 305: ...ASSEMBLY OKIFAX 2350 2450 OKIFAX 2350 2450...
Страница 306: ...SECTION 1 CABINET ASSEMBLY OKIFAX 1050 OKIFAX 1050...
Страница 308: ...SECTION 2 CONTROL ASSEMBLY OKIFAX 1050 OKIFAX 1050...
Страница 309: ...SECTION 2 CONTROL ASSEMBLY OKIFAX 2350 OKIFAX 2350...
Страница 311: ...SECTION 3 PRINTER ASSEMBLY OKIFAX 2350 2450 OKIFAX 2350 2450...
Страница 315: ...SECTION 4 BASE ASSEMBLY OKIFAX 1050 OKIFAX 1050...
Страница 320: ...SECTION 7 CABLES OKIFAX 1050 OKIFAX 1050...
Страница 327: ...9 3 2 Parts Layout 9 3 2 Parts Layout This section describes the layout of the main components Fig 3 1...
Страница 333: ......
Страница 334: ...9 5 Connection Diagram 9 5 Connection Diagram 9 5 1 Interconnection Diagram...
Страница 335: ...9 5 2 PCB Layout 9 5 2 PCB Layout TQSB PCB...