User Guide
Page 13
TROUBLESHOOTING 4-1 4.1 PAPER PATH 4-1 4.1.1 COPY & SCAN DOCUMENT PATH 4-2 4.1.2 PRINTER PAPER PATH 4-2 4.2 CLEARING JAMS 4-3 4.2.1 CLEARING PAPER JAMS 4-3 SM i B173 PREVENTIVE MAINTENANCE 2-1 REPLACEMENT AND ADJUSTMENT 3. REPLACEMENT AND ADJUSTMENT 3-1 3.1 GENERAL PRECAUTIONS ON DISASSEMBLY 3-1 ...BOARD 3-17 3.11 SMPS (ALSO KNOWN AS POWER SUPPLY UNIT 3-18 3.12 FUSER ASS'Y (ALSO KNOWN AS FUSING UNIT 3-19 3.13 FAN ...3-20 3.14 LSU (LASER SCANNING UNIT 3-21 3.15 DRIVE ASS'Y 3-22 3.16 TRANSFER ASS'Y 3-23 3.17 FEED ASS'Y 3-24 3.18 PICK UP ASS'Y AND SOLENOID 3-26 TROUBLESHOOTING 4....
TROUBLESHOOTING 4-1 4.1 PAPER PATH 4-1 4.1.1 COPY & SCAN DOCUMENT PATH 4-2 4.1.2 PRINTER PAPER PATH 4-2 4.2 CLEARING JAMS 4-3 4.2.1 CLEARING PAPER JAMS 4-3 SM i B173 PREVENTIVE MAINTENANCE 2-1 REPLACEMENT AND ADJUSTMENT 3. REPLACEMENT AND ADJUSTMENT 3-1 3.1 GENERAL PRECAUTIONS ON DISASSEMBLY 3-1 ...BOARD 3-17 3.11 SMPS (ALSO KNOWN AS POWER SUPPLY UNIT 3-18 3.12 FUSER ASS'Y (ALSO KNOWN AS FUSING UNIT 3-19 3.13 FAN ...3-20 3.14 LSU (LASER SCANNING UNIT 3-21 3.15 DRIVE ASS'Y 3-22 3.16 TRANSFER ASS'Y 3-23 3.17 FEED ASS'Y 3-24 3.18 PICK UP ASS'Y AND SOLENOID 3-26 TROUBLESHOOTING 4....
User Guide
Page 16
... remote fax 5-10 5.5 ENGINE TEST MODE 5-11 5.5.1 TO ENTER THE ENGINE TEST MODE 5-11 5.5.2 DIAGNOSTIC 5-11 5.5.3 STATUS PRINT 5-13 DETAILED DESCRIPTIONS 6. SERVICE TABLES 5. DETAILED DESCRIPTIONS 6-1 6.1 PRINTER COMPONENTS 6-1 6.1.1 FRONT VIEW 6-1 6.1.2 REAR VIEW 6-1 6.2 SYSTEM LAYOUT 6-2 B173 iv SM
... remote fax 5-10 5.5 ENGINE TEST MODE 5-11 5.5.1 TO ENTER THE ENGINE TEST MODE 5-11 5.5.2 DIAGNOSTIC 5-11 5.5.3 STATUS PRINT 5-13 DETAILED DESCRIPTIONS 6. SERVICE TABLES 5. DETAILED DESCRIPTIONS 6-1 6.1 PRINTER COMPONENTS 6-1 6.1.1 FRONT VIEW 6-1 6.1.2 REAR VIEW 6-1 6.2 SYSTEM LAYOUT 6-2 B173 iv SM
User Guide
Page 19
...normal operation, user maintenance, or prescribed service condition. WARNING Never operate or service the printer with the protective cover removed from Laser/Scanner assembly. The laser system and printer are not considered to be followed to persons. ADVARSEL. - UNDG UDSAETTELSE FOR STR LNING.... user tries to repair the machine. 2. Laser Safety Statement The Printer is certified as a Class I STR LEN. to conform to prevent accidents while servicing the machine. RADIAZIONE LASER INVISIBILE IN CASO DI APERTURA. RADIACION LASER IVISIBLE CUANDO SE ABRE. VARNING - AVATTAESSA ...
...normal operation, user maintenance, or prescribed service condition. WARNING Never operate or service the printer with the protective cover removed from Laser/Scanner assembly. The laser system and printer are not considered to be followed to persons. ADVARSEL. - UNDG UDSAETTELSE FOR STR LNING.... user tries to repair the machine. 2. Laser Safety Statement The Printer is certified as a Class I STR LEN. to conform to prevent accidents while servicing the machine. RADIAZIONE LASER INVISIBILE IN CASO DI APERTURA. RADIACION LASER IVISIBLE CUANDO SE ABRE. VARNING - AVATTAESSA ...
User Guide
Page 20
... to repair the damaged cord or reuse it is got into an outlet. If it . A fire can occur when an over current condition flows in a printer cartridge contains a chemical material, if swallowed, might harm a human body. A damaged power code must be inserted completely. The toner in the power cord. 3. Do not...
... to repair the damaged cord or reuse it is got into an outlet. If it . A fire can occur when an over current condition flows in a printer cartridge contains a chemical material, if swallowed, might harm a human body. A damaged power code must be inserted completely. The toner in the power cord. 3. Do not...
User Guide
Page 22
... reasons prior to applying power to drop small parts or objects in the memory. PRECAUTIONS FOR WHEN ASSEMBLY/DISASSEMBLY Replace parts very carefully. Remove the printer cable. 4. Examples of typical ESD's are commonly called "Electro statically Sensitive (ES) Devices", or ESD's. Disconnect the power cord before replacing or disassembling any electrostatic...
... reasons prior to applying power to drop small parts or objects in the memory. PRECAUTIONS FOR WHEN ASSEMBLY/DISASSEMBLY Replace parts very carefully. Remove the printer cable. 4. Examples of typical ESD's are commonly called "Electro statically Sensitive (ES) Devices", or ESD's. Disconnect the power cord before replacing or disassembling any electrostatic...
User Guide
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Preventive Maintenance PREVENTIVE MAINTENANCE 2. PREVENTIVE MAINTENANCE The cycle period shown below is for maintenance. Environmental conditions and use will change. Scanner Printer Component ADF Rubber ADF Pick-up Ass'y Friction Pad Paper Feed Roller Transfer Roller Fuser Replacement Cycle 20,000 Pages 60,000 Pages 60,000 pages 60,000 Pages 60,000 Pages 60,000 Pages Done by Service Service Service Service Service Service SM 2-1 B173 The cycle period shown is for reference only.
Preventive Maintenance PREVENTIVE MAINTENANCE 2. PREVENTIVE MAINTENANCE The cycle period shown below is for maintenance. Environmental conditions and use will change. Scanner Printer Component ADF Rubber ADF Pick-up Ass'y Friction Pad Paper Feed Roller Transfer Roller Fuser Replacement Cycle 20,000 Pages 60,000 Pages 60,000 pages 60,000 Pages 60,000 Pages 60,000 Pages Done by Service Service Service Service Service Service SM 2-1 B173 The cycle period shown is for reference only.
User Guide
Page 68
...from the set after if the tailing edge of paper passes the paper exit sensor.) B173 4-2 SM After receiving print job, the printer feeds the printing paper from the set . (Jam 2 occurs sometime after the leading edge of the paper has not exited out... from the cassette or manual feeder. 2. Scan ' Feed Roller ( Exit Roller B173T937.WMF 4.1.2 PRINTER PAPER PATH Engine Part Fuser 7 PR 1 3 L S U CR Toner Cartridge DR OPC SR 2 6 PTL TR FR 4 5 ! 4.1.1 COPY & SCAN DOCUMENT PATH Scanner Part 3 2 1 5 ...
...from the set after if the tailing edge of paper passes the paper exit sensor.) B173 4-2 SM After receiving print job, the printer feeds the printing paper from the set . (Jam 2 occurs sometime after the leading edge of the paper has not exited out... from the cassette or manual feeder. 2. Scan ' Feed Roller ( Exit Roller B173T937.WMF 4.1.2 PRINTER PAPER PATH Engine Part Fuser 7 PR 1 3 L S U CR Toner Cartridge DR OPC SR 2 6 PTL TR FR 4 5 ! 4.1.1 COPY & SCAN DOCUMENT PATH Scanner Part 3 2 1 5 ...
User Guide
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... exited from the cassette. 2. Solution Replace the solenoid. Check and Cause A defective feed sensor actuator can cause incorrect timing. If the paper feeds into the printer. B173T910.WMF Replace the side-pad or assembly L or R if necessary. Jam-0 occurs if the paper feeds into the...
... exited from the cassette. 2. Solution Replace the solenoid. Check and Cause A defective feed sensor actuator can cause incorrect timing. If the paper feeds into the printer. B173T910.WMF Replace the side-pad or assembly L or R if necessary. Jam-0 occurs if the paper feeds into the...
User Guide
Page 79
... the actuator exit is deformed (Check if the lever part is deformed in shape). • Check if burrs occur in the assembly part of the printer, but Jam 2 occurs. • After the paper is stuck in the transfer roller and in the fuser roller: • This occurs when a guide claw breaks...
... the actuator exit is deformed (Check if the lever part is deformed in shape). • Check if burrs occur in the assembly part of the printer, but Jam 2 occurs. • After the paper is stuck in the transfer roller and in the fuser roller: • This occurs when a guide claw breaks...
User Guide
Page 84
... warming-up. Replace the SMPS, if necessary. 4.5.9 NO POWER Description When system power is not driving when printing, and paper does not feed into the printer, resulting "Jam 0". Check and Cause Check if the power input and SMPS output are normal. Replace the Main Board or Cover Open S/W. 4.5.8 DEFECTIVE MOTOR OPERATION...
... warming-up. Replace the SMPS, if necessary. 4.5.9 NO POWER Description When system power is not driving when printing, and paper does not feed into the printer, resulting "Jam 0". Check and Cause Check if the power input and SMPS output are normal. Replace the Main Board or Cover Open S/W. 4.5.8 DEFECTIVE MOTOR OPERATION...
User Guide
Page 86
... the transfer roller if occurred as No. 3. Straight thin black vertical line(s) occurs in the printing. Dark black vertical band(s) occur in the printing 2. Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer Check and Cause 1.
... the transfer roller if occurred as No. 3. Straight thin black vertical line(s) occurs in the printing. Dark black vertical band(s) occur in the printing 2. Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer Check and Cause 1.
User Guide
Page 87
... swab on the window of the developer has been expired, white lines or light image occur in the image. PRINTING QUALITY PROBLEMS Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer Check and Cause Foreign matter stuck onto the window of internal lenses of the reflex mirror with recommended cleaner(IPA) and a clean cotton...
... swab on the window of the developer has been expired, white lines or light image occur in the image. PRINTING QUALITY PROBLEMS Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer Check and Cause Foreign matter stuck onto the window of internal lenses of the reflex mirror with recommended cleaner(IPA) and a clean cotton...
User Guide
Page 88
... the right Gear that has a relatively small gap of the teeth in the printing periodically. (They may not occur on each print.) Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer Check and Cause Bad contacts of developer may be stained. B173 4-22 SM PRINTING QUALITY PROBLEMS 4.6.3 HORIZONTAL BLACK BAND Description Dark or blurry...
... the right Gear that has a relatively small gap of the teeth in the printing periodically. (They may not occur on each print.) Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer Check and Cause Bad contacts of developer may be stained. B173 4-22 SM PRINTING QUALITY PROBLEMS 4.6.3 HORIZONTAL BLACK BAND Description Dark or blurry...
User Guide
Page 89
... has expired. In case of 75.5 mm, or black spots occur elsewhere, the OPC drum surface is guaranteed for 60,000 sheets. Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer Check and Cause If dark or blurry black spots occur periodically, the rollers in a black image at intervals of 37.7 mm interval, take...
... has expired. In case of 75.5 mm, or black spots occur elsewhere, the OPC drum surface is guaranteed for 60,000 sheets. Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer Check and Cause If dark or blurry black spots occur periodically, the rollers in a black image at intervals of 37.7 mm interval, take...
User Guide
Page 90
... 30 minutes after the machine is below than 10°C. PRINTING QUALITY PROBLEMS 4.6.5 LIGHT IMAGE Description The printed image is almost consumed. Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer Check and Cause Develop roller is stained when the toner of developer cartridge is light, with no ghost. Replace the AIO and try...
... 30 minutes after the machine is below than 10°C. PRINTING QUALITY PROBLEMS 4.6.5 LIGHT IMAGE Description The printed image is almost consumed. Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer Check and Cause Develop roller is stained when the toner of developer cartridge is light, with no ghost. Replace the AIO and try...
User Guide
Page 91
... and right springs of HVPS. SM 4-25 B173 Problem with the toner cartridge, replace the AIO and try to the bad blade. Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer Check and Cause No charge voltage in the side of the Developer and charge terminal of the transfer roller is not even, the...
... and right springs of HVPS. SM 4-25 B173 Problem with the toner cartridge, replace the AIO and try to the bad blade. Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer Check and Cause No charge voltage in the side of the Developer and charge terminal of the transfer roller is not even, the...
User Guide
Page 92
... the HVPS (SMPS). The life of the printing. The up-to-down movement of the transfer roller is not guaranteed when using recycled paper. Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer Check and Cause Recycled recording paper has been used.
... the HVPS (SMPS). The life of the printing. The up-to-down movement of the transfer roller is not guaranteed when using recycled paper. Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer Check and Cause Recycled recording paper has been used.
User Guide
Page 95
Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer B173T926.WMF Check and Cause Toner leakage due to remove contamination. And perform Self-Test 2 or 3 times to improperly sealed developer. PRINTING QUALITY PROBLEMS DDiiggiittaall ...
Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer B173T926.WMF Check and Cause Toner leakage due to remove contamination. And perform Self-Test 2 or 3 times to improperly sealed developer. PRINTING QUALITY PROBLEMS DDiiggiittaall ...
User Guide
Page 96
... to remove the contamination of the page is contaminated. Replace the transfer roller if contaminated severely. Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer Check and Cause Bad ground contacts in OPC and/or developer. PRINTING QUALITY PROBLEMS 4.6.14 STAINS ON... Remove contamination of the terminals of the AIO and the printer. B173T927.WMF Solution Perform the OPC Cleaning Mode Print 2 or 3 times. B173 4-30 SM Digital Digital Pri Digital Printer Digital Printer Digital Printer Check and Cause Transfer roller is printed. Pressure roller is...
... to remove the contamination of the page is contaminated. Replace the transfer roller if contaminated severely. Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer Check and Cause Bad ground contacts in OPC and/or developer. PRINTING QUALITY PROBLEMS 4.6.14 STAINS ON... Remove contamination of the terminals of the AIO and the printer. B173T927.WMF Solution Perform the OPC Cleaning Mode Print 2 or 3 times. B173 4-30 SM Digital Digital Pri Digital Printer Digital Printer Digital Printer Check and Cause Transfer roller is printed. Pressure roller is...
User Guide
Page 97
... Cause Bad ground contacts in OPC and/or developer. Troubleshooting SM 4-31 B173 B173T929.WMF Remove contamination of the terminals of the AIO. When the printer turns on the computer, and try printing again. Abnormal solenoid. Blank page is normal. PRINTING QUALITY PROBLEMS 4.6.16 BLANK PAGE PRINT OUT (2) Description 1. If not...
... Cause Bad ground contacts in OPC and/or developer. Troubleshooting SM 4-31 B173 B173T929.WMF Remove contamination of the terminals of the AIO. When the printer turns on the computer, and try printing again. Abnormal solenoid. Blank page is normal. PRINTING QUALITY PROBLEMS 4.6.16 BLANK PAGE PRINT OUT (2) Description 1. If not...