Operating Instructions
Page 8
... Off mode, see Auto Off Time in"User Tools" ⇒ P.40 ❖ Specification Auto Off mode Power consumption Default interval FW780 1.0 W 30 minute -Recycled Paper Please contact your sales or service representative for recommended recycled paper types that this machine model meets ... 1 minute after the last copying or printing job has been completed. iv When a product meets the ENERGY STAR Guidelines for developing and introducing energy-efficient office equipment to establish an international energy-saving system for energy efficiency, the Partner shall place the ENERGY...
... Off mode, see Auto Off Time in"User Tools" ⇒ P.40 ❖ Specification Auto Off mode Power consumption Default interval FW780 1.0 W 30 minute -Recycled Paper Please contact your sales or service representative for recommended recycled paper types that this machine model meets ... 1 minute after the last copying or printing job has been completed. iv When a product meets the ENERGY STAR Guidelines for developing and introducing energy-efficient office equipment to establish an international energy-saving system for energy efficiency, the Partner shall place the ENERGY...
Service Manual
Page 13
... the main switch is turned off or open while the main switch is turned on , the machine will suddenly start turnig to perform the developer initialization. The copier is operating. Keep hands away from electrified or mechanically driven components. 5. Try to be near the copier and easily accessible...1. The inside and the metal parts of the copier and the peripherals are non-toxic, but if you get medical attention. Toner and developer are supplied with your eyes by accident, it may cause it to the table. Never operate the copier without the ozone filters installed. 2....
... the main switch is turned off or open while the main switch is turned on , the machine will suddenly start turnig to perform the developer initialization. The copier is operating. Keep hands away from electrified or mechanically driven components. 5. Try to be near the copier and easily accessible...1. The inside and the metal parts of the copier and the peripherals are non-toxic, but if you get medical attention. Toner and developer are supplied with your eyes by accident, it may cause it to the table. Never operate the copier without the ozone filters installed. 2....
Service Manual
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... representative who has completed the training course on the main control board has a lithium battery which can explode if replaced incorrectly. Dispose of used toner, developer, and organic photoconductors according to dispose of replaced parts in accordance with local regulations.
... representative who has completed the training course on the main control board has a lithium battery which can explode if replaced incorrectly. Dispose of used toner, developer, and organic photoconductors according to dispose of replaced parts in accordance with local regulations.
Service Manual
Page 15
PAPER PATH 1-3 3. DRIVE LAYOUT 1-7 6. ELECTRICAL COMPONENT LAYOUT 1-8 DETAILED SECTION DESCRIPTIONS 1. CHARGE 2-3 2.1 OVERVIEW 2-3 2.2 CHARGE CORONA CIRCUIT 2-4 2.3 CORONA UNIT VENTILATION 2-5 3. DEVELOPMENT 2-13 4.1 OVERVIEW 2-13 4.2 DRIVE MECHANISM 2-14 4.3 CROSS-MIXING 2-15 4.4 TONER DENSITY CONTROL 2-16 4.4.1 Toner Near End Condition 2-17 SM i A163 MECHANICAL COMPONENT LAYOUT 1-6 5. DRUM PROCESSES 1-4 4. ...
PAPER PATH 1-3 3. DRIVE LAYOUT 1-7 6. ELECTRICAL COMPONENT LAYOUT 1-8 DETAILED SECTION DESCRIPTIONS 1. CHARGE 2-3 2.1 OVERVIEW 2-3 2.2 CHARGE CORONA CIRCUIT 2-4 2.3 CORONA UNIT VENTILATION 2-5 3. DEVELOPMENT 2-13 4.1 OVERVIEW 2-13 4.2 DRIVE MECHANISM 2-14 4.3 CROSS-MIXING 2-15 4.4 TONER DENSITY CONTROL 2-16 4.4.1 Toner Near End Condition 2-17 SM i A163 MECHANICAL COMPONENT LAYOUT 1-6 5. DRUM PROCESSES 1-4 4. ...
Service Manual
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... 2-21 5.3 PAPER SEPARATION 2-21 5.4 PICK-OFF MECHANISM 2-22 5.5 T/S CORONA CIRCUIT 2-23 6. Rev. 06/2004 4.4.2 Recovery From Toner (Near) End condition 2-17 4.4.3 Toner Density Sensor 2-18 4.5 DEVELOPMENT BIAS 2-19 4.5.1 Basic Concept 2-19 4.5.2 Manual Image Density Bias 2-19 4.6 TONER SUPPLY 2-20 5. FUSING AND PAPER EXIT 2-27 8.1 OVERVIEW 2-27 8.2 DRIVE MECHANISM 2-28 8.2.1 Fusing Unit...
... 2-21 5.3 PAPER SEPARATION 2-21 5.4 PICK-OFF MECHANISM 2-22 5.5 T/S CORONA CIRCUIT 2-23 6. Rev. 06/2004 4.4.2 Recovery From Toner (Near) End condition 2-17 4.4.3 Toner Density Sensor 2-18 4.5 DEVELOPMENT BIAS 2-19 4.5.1 Basic Concept 2-19 4.5.2 Manual Image Density Bias 2-19 4.6 TONER SUPPLY 2-20 5. FUSING AND PAPER EXIT 2-27 8.1 OVERVIEW 2-27 8.2 DRIVE MECHANISM 2-28 8.2.1 Fusing Unit...
Service Manual
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...) Reproduction Ratio: 1 : 1 (±0.5%) Exposure System: Slit exposure via fiber optic array Exposure Lamp: Fluorescent lamp (26 W) Development: Dual-component dry toner system (Type 410, 2 bags) Toner Replenishment: Cartridge system (750g toner/cartridge) Toner Consumption: 1,860 A1... or D copies per cartridge (6% original) Development Bias: Negative Toner Density Control: Direct toner density detection by induction sensor Image Density Adjustment: Development bias control + exposure control Paper Separation: Dual wire ac corona and pick...
...) Reproduction Ratio: 1 : 1 (±0.5%) Exposure System: Slit exposure via fiber optic array Exposure Lamp: Fluorescent lamp (26 W) Development: Dual-component dry toner system (Type 410, 2 bags) Toner Replenishment: Cartridge system (750g toner/cartridge) Toner Consumption: 1,860 A1... or D copies per cartridge (6% original) Development Bias: Negative Toner Density Control: Direct toner density detection by induction sensor Image Density Adjustment: Development bias control + exposure control Paper Separation: Dual wire ac corona and pick...
Service Manual
Page 29
...light from the drum surface onto the paper. 6. Image Transfer Copy paper is applied to align the copy paper and the developed image on the drum surface. 3. The negative charge pulls the toner particles from the quenching lamp electrically neutralizes the surface of the paper.... Development The magnetic developer brush on the development roller comes in contact with the latent image on the drum surface. Pre-Transfer Lamp The pre-transfer lamp (PTL)...
...light from the drum surface onto the paper. 6. Image Transfer Copy paper is applied to align the copy paper and the developed image on the drum surface. 3. The negative charge pulls the toner particles from the quenching lamp electrically neutralizes the surface of the paper.... Development The magnetic developer brush on the development roller comes in contact with the latent image on the drum surface. Pre-Transfer Lamp The pre-transfer lamp (PTL)...
Service Manual
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... 4. Main Drive Unit 12. Table 13. Paper Spool SM 14. Paper Registration Rollers 16. Manual Feed Table 19. Hot Roller 7. T/S Corona Unit 11. Gas Spring 9. Development Unit 17. Original Table 22. 2nd Press Rollers 23. OPC Drum 10. Toner Cartridge 18. Charge Corona Unit 20. 2nd Original Feed Roller 21. Fusing...
... 4. Main Drive Unit 12. Table 13. Paper Spool SM 14. Paper Registration Rollers 16. Manual Feed Table 19. Hot Roller 7. T/S Corona Unit 11. Gas Spring 9. Development Unit 17. Original Table 22. 2nd Press Rollers 23. OPC Drum 10. Toner Cartridge 18. Charge Corona Unit 20. 2nd Original Feed Roller 21. Fusing...
Service Manual
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Hot Roller Drive Gear 4. Main Motor 16. Fusing Drive Chain 2. Drum Drive Gear 7. Original Feed Drive Pulley 8. Development Unit Relay Gear 12. Original Feed Drive Belt A163 1-7 SM 5. Development Unit 11. Fusing Drive Sprocket/Gear 5. Paper Registration Roller Clutch 14. Drum Drive Relay Gear 15. Exit Unit Drive Belt 3. Development Drive Chain 13. Original Feed Roller Pulley 9. Toner Collection Coil Drive Gear 6. Original Feed Roller One Way Pulley 10. DRIVE LAYOUT Rev. 5/95 11 12 13 15 16 14 1 23 10 4 5 6 9 8 7 1.
Hot Roller Drive Gear 4. Main Motor 16. Fusing Drive Chain 2. Drum Drive Gear 7. Original Feed Drive Pulley 8. Development Unit Relay Gear 12. Original Feed Drive Belt A163 1-7 SM 5. Development Unit 11. Fusing Drive Sprocket/Gear 5. Paper Registration Roller Clutch 14. Drum Drive Relay Gear 15. Exit Unit Drive Belt 3. Development Drive Chain 13. Original Feed Roller Pulley 9. Toner Collection Coil Drive Gear 6. Original Feed Roller One Way Pulley 10. DRIVE LAYOUT Rev. 5/95 11 12 13 15 16 14 1 23 10 4 5 6 9 8 7 1.
Service Manual
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ELECTRICAL COMPONENT DESCRIPTIONS Refer to the electrical component layout on to supply toner to the development unit. 31 Solenoids Pick-off Pawl Moves the pick-off pawls against the drum. 6 Switches Main Supplies power to the copier. 17 Original & Paper Cuts ... Sensors Door Open Indicates "Door Open" in the operation panel and prohibits the key operation. 29 Toner Density Detects the density of toner in the developer. 26 Original Registration Detects when the original lead edge passes at the front of the exposure glass. 4 Light Detects the intensity of the Point to...
ELECTRICAL COMPONENT DESCRIPTIONS Refer to the electrical component layout on to supply toner to the development unit. 31 Solenoids Pick-off Pawl Moves the pick-off pawls against the drum. 6 Switches Main Supplies power to the copier. 17 Original & Paper Cuts ... Sensors Door Open Indicates "Door Open" in the operation panel and prohibits the key operation. 29 Toner Density Detects the density of toner in the developer. 26 Original Registration Detects when the original lead edge passes at the front of the exposure glass. 4 Light Detects the intensity of the Point to...
Service Manual
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... remaining on the drum surface after cleaning. 1 Power Packs Charge/Bias/Grid Provides high voltage power for the charge Power Pack corona, charge grid, and development bias. 19 Transfer/ Separation Provides high voltage power for the transfer corona and separation. 16 Thermistors Hot Roller Monitors the hot roller's surface temperature. 8 Pressure...
... remaining on the drum surface after cleaning. 1 Power Packs Charge/Bias/Grid Provides high voltage power for the charge Power Pack corona, charge grid, and development bias. 19 Transfer/ Separation Provides high voltage power for the transfer corona and separation. 16 Thermistors Hot Roller Monitors the hot roller's surface temperature. 8 Pressure...
Service Manual
Page 48
The development roller bias also varies. (See the section on development bias.) SM 2-12 A163 Rev. 5/95 3.4 MANUAL ID CONTROL Manual ID Level 1 2 3 4 5 6 7 Light Sensor Output [V] 0.78 0.892 0.899 0.938 1.02 1.24 1.45 Manual ID Level 8 9 10 11 12 13 14 Light Sensor Output [V] 1.53 1.73 1.93 2.13 2.33 2.52 2.72 3.4.1 Manual ID Control The user can select one of the light output by the exposure lamp (as measured by the light sensor) varies. For each level, the intensity of 14 manual ID levels. This is shown in the above table.
The development roller bias also varies. (See the section on development bias.) SM 2-12 A163 Rev. 5/95 3.4 MANUAL ID CONTROL Manual ID Level 1 2 3 4 5 6 7 Light Sensor Output [V] 0.78 0.892 0.899 0.938 1.02 1.24 1.45 Manual ID Level 8 9 10 11 12 13 14 Light Sensor Output [V] 1.53 1.73 1.93 2.13 2.33 2.52 2.72 3.4.1 Manual ID Control The user can select one of the light output by the exposure lamp (as measured by the light sensor) varies. For each level, the intensity of 14 manual ID levels. This is shown in the above table.
Service Manual
Page 49
... cross-mixing mechanism. In this machine, rotation of toner in its paddles and transports it to minimize toner scattering. The developer is developed. Also, in the development roller attract the developer to become higher than the air pressure around the development unit. DEVELOPMENT 4.1 OVERVIEW [D] [C] [B] Rev. 5/95 [A] When the main motor turns on, the paddle roller [A] and...
... cross-mixing mechanism. In this machine, rotation of toner in its paddles and transports it to minimize toner scattering. The developer is developed. Also, in the development roller attract the developer to become higher than the air pressure around the development unit. DEVELOPMENT 4.1 OVERVIEW [D] [C] [B] Rev. 5/95 [A] When the main motor turns on, the paddle roller [A] and...
Service Manual
Page 50
SM 2-14 A163 4.2 DRIVE MECHANISM [D] [C] [B] [A] [H] [G] [F] [I ] engaged in the toner supply condition. The toner agitator shaft [G] is on, the paddle roller [B], development roller [C], and mixing auger [D] in the development unit are driven through the gears [H] by the toner supply clutch [I ] [E] When the main motor [A] is rotated through the development drive chain [E] and gears [F].
SM 2-14 A163 4.2 DRIVE MECHANISM [D] [C] [B] [A] [H] [G] [F] [I ] engaged in the toner supply condition. The toner agitator shaft [G] is on, the paddle roller [B], development roller [C], and mixing auger [D] in the development unit are driven through the gears [H] by the toner supply clutch [I ] [E] When the main motor [A] is rotated through the development drive chain [E] and gears [F].
Service Manual
Page 51
...machine. The arrows in the above illustration show the developer movement directions within the development unit. The developer that is attracted to the development roller [A] is trimmed off by the doctor blade and directed to the left side of developer moved to the right by the mixing auger [F],...to the left by the doctor blade [B]. As the developer slides down the backspill plate to the paddle roller [D], part of the developer falls into two parts by the mixing auger. Cross-mixing also agitates the developer to develop the latent image on the toner and carrier particles....
...machine. The arrows in the above illustration show the developer movement directions within the development unit. The developer that is attracted to the development roller [A] is trimmed off by the doctor blade and directed to the left side of developer moved to the right by the mixing auger [F],...to the left by the doctor blade [B]. As the developer slides down the backspill plate to the paddle roller [D], part of the developer falls into two parts by the mixing auger. Cross-mixing also agitates the developer to develop the latent image on the toner and carrier particles....
Service Manual
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TS 0 ~ 50 sheets Level (~ 30 m) 0 VTS < 4.25 1 4.25 ≤ VTS < 4.30 N2 3 4.30 ≤ VTS < 4.35 4.35 ≤ VTS < 4.40 4 4.40 ≤ VTS < 4.45 5 4.45 ≤ VTS 0 VTS < 4.35 1 4.35 ≤ VTS < 4.38 L 2 4.38 ≤ VTS < 4.40 3 4.40 ≤ VTS < 4.42 4 4.42 ≤ VTS < 4.45 5 4.45 ≤ VTS 0 VTS < 4.00 1 4.00 ≤ VTS < 4.10 H2 4.10 ≤ VTS < 4.20 3 4.20 ≤ VTS < 4.30 4 4.30 ≤ VTS < 4.40 5 4.40 ≤ VTS 51 ~ 100 sheets (30 ~ 60 m) VTS < 4.00 4.00 ≤ VTS < 4.10 4.10 ≤ VTS < 4.20 4.20 ≤ VTS < 4.30 4.30 ≤ ...
TS 0 ~ 50 sheets Level (~ 30 m) 0 VTS < 4.25 1 4.25 ≤ VTS < 4.30 N2 3 4.30 ≤ VTS < 4.35 4.35 ≤ VTS < 4.40 4 4.40 ≤ VTS < 4.45 5 4.45 ≤ VTS 0 VTS < 4.35 1 4.35 ≤ VTS < 4.38 L 2 4.38 ≤ VTS < 4.40 3 4.40 ≤ VTS < 4.42 4 4.42 ≤ VTS < 4.45 5 4.45 ≤ VTS 0 VTS < 4.00 1 4.00 ≤ VTS < 4.10 H2 4.10 ≤ VTS < 4.20 3 4.20 ≤ VTS < 4.30 4 4.30 ≤ VTS < 4.40 5 4.40 ≤ VTS 51 ~ 100 sheets (30 ~ 60 m) VTS < 4.00 4.00 ≤ VTS < 4.10 4.10 ≤ VTS < 4.20 4.20 ≤ VTS < 4.30 4.30 ≤ ...
Service Manual
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... not operate. 4.4.2 Recovery From Toner (Near) End Condition After replacing the toner cartridge (opening and closing the original feed unit), the main motor rotates the development unit for 1 minute. A163 2-17 SM Then, copies can be made. This may fluctuate until 30 meters (A1/D size: 50 copies) after opening and closing...
... not operate. 4.4.2 Recovery From Toner (Near) End Condition After replacing the toner cartridge (opening and closing the original feed unit), the main motor rotates the development unit for 1 minute. A163 2-17 SM Then, copies can be made. This may fluctuate until 30 meters (A1/D size: 50 copies) after opening and closing...
Service Manual
Page 54
...The potential of CN104-A11 is 24 V when the connector is disconnected.) The sensor's sensitivity is used up, the effect of toner in the developer mixture. As the amount of the carrier on the feedback signal applied from CN104-A10. The active sensor element is near the sensor element, ...B20 CN104-A10 CN104-B21 [12V] TS Control TS. FB GND Coils The toner density sensor circuit controls the amount of toner in the developer increases, the effect of the coils changes, causing the current through the transformer to CN104-A10 decreases. Conversely, when the toner concentration drops as...
...The potential of CN104-A11 is 24 V when the connector is disconnected.) The sensor's sensitivity is used up, the effect of toner in the developer mixture. As the amount of the carrier on the feedback signal applied from CN104-A10. The active sensor element is near the sensor element, ...B20 CN104-A10 CN104-B21 [12V] TS Control TS. FB GND Coils The toner density sensor circuit controls the amount of toner in the developer increases, the effect of the coils changes, causing the current through the transformer to CN104-A10 decreases. Conversely, when the toner concentration drops as...
Service Manual
Page 55
... to the dark areas of the latent image. This prevents the positively charged toner from the development roller, resulting in the exposed areas. In addition to the development roller. 4.5 DEVELOPMENT BIAS 4.5.1 Basic Concept When the drum is exposed, most of about --100 volts (for white... corresponding to the background areas of the original. Bias (Volts) Manual ID Bias Manual ID Setting 4.5.2 Manual Image Density Bias The development bias is eliminated from the areas where light strikes the drum. After exposure, however, a small residual charge of the negative charge ...
... to the dark areas of the latent image. This prevents the positively charged toner from the development roller, resulting in the exposed areas. In addition to the development roller. 4.5 DEVELOPMENT BIAS 4.5.1 Basic Concept When the drum is exposed, most of about --100 volts (for white... corresponding to the background areas of the original. Bias (Volts) Manual ID Bias Manual ID Setting 4.5.2 Manual Image Density Bias The development bias is eliminated from the areas where light strikes the drum. After exposure, however, a small residual charge of the negative charge ...
Service Manual
Page 56
The toner agitator turns at 75 rpm and the toner supply rate is built into the developer. The toner particles thus ejected from the cartridge fall into the development unit and are mixed into the toner cartridge. SM 2-20 A163 An agitator [A] in a plastic strip [C] along one side of the agitator force toner...
The toner agitator turns at 75 rpm and the toner supply rate is built into the developer. The toner particles thus ejected from the cartridge fall into the development unit and are mixed into the toner cartridge. SM 2-20 A163 An agitator [A] in a plastic strip [C] along one side of the agitator force toner...