Service Manual
Page 6
... 6-20 Laser/Scanner Assembly Removal 6-24 Figure 6-21 Solenoid Removal (1 of 2 6-25 Figure 6-22 Solenoid Removal (2 of 2 6-26 Figure 6-23 Pickup Roller Assembly Removal (1 of the Printer 1-9 Figure 2-1 Printer Space Requirements 2-4 Figure 2-2 Toner Cartridge Distribution 2-6 Figure 3-1 Self-test Page for HP LaserJet 5L 3-7 Figure 3-2 Self-test Page for HP LaserJet 6L 3-8 Figure 3-3 Engine Test Button 3-10 Figure...
... 6-20 Laser/Scanner Assembly Removal 6-24 Figure 6-21 Solenoid Removal (1 of 2 6-25 Figure 6-22 Solenoid Removal (2 of 2 6-26 Figure 6-23 Pickup Roller Assembly Removal (1 of the Printer 1-9 Figure 2-1 Printer Space Requirements 2-4 Figure 2-2 Toner Cartridge Distribution 2-6 Figure 3-1 Self-test Page for HP LaserJet 5L 3-7 Figure 3-2 Self-test Page for HP LaserJet 6L 3-8 Figure 3-3 Engine Test Button 3-10 Figure...
Service Manual
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... 1-6 Related Documentation 1-11 Environmental Requirements 2-3 Printer Dimensions 2-4 Indicator Lights (1 of 2 3-4 Indicator Lights (Continued 2 of 2 3-5 Front Panel Button Usage 3-6 Life Expectancy of Consumables 4-3 Cleaning Printer Components 4-7 Solenoid and Photosensors 5-17 Printer Timing 5-19 Printer Status Messages (1 of 2 7-8 Printer Status Messages (Continued 2 of 2 7-9 Unclearable Error 7-9 Service and Error Messages (1 of 3 7-10 Service and...
... 1-6 Related Documentation 1-11 Environmental Requirements 2-3 Printer Dimensions 2-4 Indicator Lights (1 of 2 3-4 Indicator Lights (Continued 2 of 2 3-5 Front Panel Button Usage 3-6 Life Expectancy of Consumables 4-3 Cleaning Printer Components 4-7 Solenoid and Photosensors 5-17 Printer Timing 5-19 Printer Status Messages (1 of 2 7-8 Printer Status Messages (Continued 2 of 2 7-9 Unclearable Error 7-9 Service and Error Messages (1 of 3 7-10 Service and...
Service Manual
Page 56
... lines. This switch causes the print engine to drive the Laser/Scanner motor. For a detailed explanation of paper movement, and the interaction of photosensors and solenoid with the other print processes. Functional Overview 5 - 5 Functional 5 Overview Print Engine Control System Laser and Scanner Drive Based on the top of the printer, is...
... lines. This switch causes the print engine to drive the Laser/Scanner motor. For a detailed explanation of paper movement, and the interaction of photosensors and solenoid with the other print processes. Functional Overview 5 - 5 Functional 5 Overview Print Engine Control System Laser and Scanner Drive Based on the top of the printer, is...
Service Manual
Page 57
..., distributes +5 V DC and +12 V DC as follows: +5 V DC: Formatter PCA Photosensors DC Controller Circuitry Laser/Beam Detect Circuitry +12 V DC: +12VA DC: Motor Scanner Motor Solenoid High Voltage Power Supply Overcurrent/Overvoltage Protection There are all printer settings and downloaded fonts and macros while in this printer: • Fuse F101 provides...
..., distributes +5 V DC and +12 V DC as follows: +5 V DC: Formatter PCA Photosensors DC Controller Circuitry Laser/Beam Detect Circuitry +12 V DC: +12VA DC: Motor Scanner Motor Solenoid High Voltage Power Supply Overcurrent/Overvoltage Protection There are all printer settings and downloaded fonts and macros while in this printer: • Fuse F101 provides...
Service Manual
Page 66
... advance the paper to either of the paper's leading edge, so that only one , main input area. Paper motion begins when the DC Controller energizes solenoid SL1. First, the paper kick plate pushes the paper against the pick-up /Face-down lever. Two actions occur as a result of the fusing area...
... advance the paper to either of the paper's leading edge, so that only one , main input area. Paper motion begins when the DC Controller energizes solenoid SL1. First, the paper kick plate pushes the paper against the pick-up /Face-down lever. Two actions occur as a result of the fusing area...
Service Manual
Page 68
.... Paper Registration Sensor Detects the leading and trailing edges of each photosensor and the solenoid. Table 5-1 describes the function of the paper. Synchronizes the photosensitive drum and the top of 5L's PS204. Door Open/Cartridge Sensor (HP LaserJet 5L only) In the HP LaserJet 6L, SW101 performs the functions of the paper. If this sensor does not...
.... Paper Registration Sensor Detects the leading and trailing edges of each photosensor and the solenoid. Table 5-1 describes the function of the paper. Synchronizes the photosensitive drum and the top of 5L's PS204. Door Open/Cartridge Sensor (HP LaserJet 5L only) In the HP LaserJet 6L, SW101 performs the functions of the paper. If this sensor does not...
Service Manual
Page 69
The time period begins when the Paper Pickup Solenoid (SL1) is energized. • Delay Jams. Paper does not reach or clear a specific photosensor within a specified period of time. A paper jam can be detected under ...
The time period begins when the Paper Pickup Solenoid (SL1) is energized. • Delay Jams. Paper does not reach or clear a specific photosensor within a specified period of time. A paper jam can be detected under ...
Service Manual
Page 74
... Roller 6-20 Face-Up/Face-Down Lever 6-21 Fuser Exit Roller Assembly 6-22 Paper Exit Sensor Flag 6-23 Top Assemblies 6-24 Laser/Scanner Assembly 6-24 Solenoid 6-25 Pickup Roller Assembly 6-27 Paper Feed Frame 6-30 Transfer Roller Guide & Transfer Roller 6-34 Kick Plate 6-35 Separation Pad 6-37 Subpads 6-38 Feed Assembly...
... Roller 6-20 Face-Up/Face-Down Lever 6-21 Fuser Exit Roller Assembly 6-22 Paper Exit Sensor Flag 6-23 Top Assemblies 6-24 Laser/Scanner Assembly 6-24 Solenoid 6-25 Pickup Roller Assembly 6-27 Paper Feed Frame 6-30 Transfer Roller Guide & Transfer Roller 6-34 Kick Plate 6-35 Separation Pad 6-37 Subpads 6-38 Feed Assembly...
Service Manual
Page 98
Removal and 6 Replacement Figure 6-21 Solenoid 1 Remove the Printer Covers. 2 On the left side of the printer, remove the paper pickup gear (Figure 6-21, callout 1) by pressing the tabs in the center of 2) Removal and Replacement 6 - 25 Solenoid Removal (1 of the gear outward and pulling the gear off (Figure 6-21).
Removal and 6 Replacement Figure 6-21 Solenoid 1 Remove the Printer Covers. 2 On the left side of the printer, remove the paper pickup gear (Figure 6-21, callout 1) by pressing the tabs in the center of 2) Removal and Replacement 6 - 25 Solenoid Removal (1 of the gear outward and pulling the gear off (Figure 6-21).
Service Manual
Page 99
Figure 6-22 3 Remove the Solenoid connector (J204) from the DC Controller (Figure 6-22, callout 1). 4 Remove the self-tapping screw that holds the Solenoid in only one way. 6 - 26 Removal and Replacement Note Solenoid Removal (2 of 2) When reinstalling this part, the Paper Pickup Gear is keyed to go on the shaft in place (Figure 6-22, callout 2). 5 Unthread the wires from the printer chassis. 6 Lift the Solenoid off.
Figure 6-22 3 Remove the Solenoid connector (J204) from the DC Controller (Figure 6-22, callout 1). 4 Remove the self-tapping screw that holds the Solenoid in only one way. 6 - 26 Removal and Replacement Note Solenoid Removal (2 of 2) When reinstalling this part, the Paper Pickup Gear is keyed to go on the shaft in place (Figure 6-22, callout 2). 5 Unthread the wires from the printer chassis. 6 Lift the Solenoid off.
Service Manual
Page 103
Figure 6-26 Paper Feed Frame 1 Remove the Printer Covers. 2 Remove the Pickup Roller Assembly (Figures 6-23 through 6-24). 3 Disconnect the following: • Solenoid from the DC Controller at J204 (Figure 6-22, callout 1) • Two connectors from the Laser/Scanner (Figure 6-26, callout 1) • Connector from Top Cover/EP Cartridge Sensor on HP LaserJet 5L only (Figure 6-26, callout 2) • Connector from Switch 101 (Figure 6-26, callout 3) • Connector from Front Control Panel (Figure 6-26, callout 4) Paper Feed Frame Removal (1 of 4) 6 - 30 Removal and Replacement
Figure 6-26 Paper Feed Frame 1 Remove the Printer Covers. 2 Remove the Pickup Roller Assembly (Figures 6-23 through 6-24). 3 Disconnect the following: • Solenoid from the DC Controller at J204 (Figure 6-22, callout 1) • Two connectors from the Laser/Scanner (Figure 6-26, callout 1) • Connector from Top Cover/EP Cartridge Sensor on HP LaserJet 5L only (Figure 6-26, callout 2) • Connector from Switch 101 (Figure 6-26, callout 3) • Connector from Front Control Panel (Figure 6-26, callout 4) Paper Feed Frame Removal (1 of 4) 6 - 30 Removal and Replacement
Service Manual
Page 117
... (4) screws (Figure 6-40, callout 1). Note Figure 6-40 DC Controller 1 Remove the Printer Covers. 2 Disconnect the motor connector from the motor (Figure 6-39, callout 1). 3 Disconnect the Solenoid connector from the DC Controller (Figure 6-22, callout 1). 4 Remove the back sheet metal plate and disconnect the PS202/PS204 connector (Figure 6-29). 5 Remove the AC...
... (4) screws (Figure 6-40, callout 1). Note Figure 6-40 DC Controller 1 Remove the Printer Covers. 2 Disconnect the motor connector from the motor (Figure 6-39, callout 1). 3 Disconnect the Solenoid connector from the DC Controller (Figure 6-22, callout 1). 4 Remove the back sheet metal plate and disconnect the PS202/PS204 connector (Figure 6-29). 5 Remove the AC...
Service Manual
Page 126
PAPER DELIVERY SENSOR signal (POSNS) MOTOR DRIVE signal (MA, /MA, MB, /MB) PAPER PICK-UP SENSOR signal (PISNS) PICK-UP SOLENOID DRIVE signal (CPUD) PAPER-OUT SENSOR signal (PAPERSNS) 7 Troubleshooting Figure 7-1 Paper Path and Components DC Controller PCA Face-down Delivery Roller Face-down Delivery Deflector ... Roller PS201 Paper Exit Sensor Transfer Roller Motor Paper Path and Components Manual Input Slot Paper Input Bin Pick-up Roller SL1 Paper Pick-up Solenoid Feed Sub Roller PS202 Paper Paper PS203 Out Sensor Registration Sensor Feed Roller Troubleshooting 7-5
PAPER DELIVERY SENSOR signal (POSNS) MOTOR DRIVE signal (MA, /MA, MB, /MB) PAPER PICK-UP SENSOR signal (PISNS) PICK-UP SOLENOID DRIVE signal (CPUD) PAPER-OUT SENSOR signal (PAPERSNS) 7 Troubleshooting Figure 7-1 Paper Path and Components DC Controller PCA Face-down Delivery Roller Face-down Delivery Deflector ... Roller PS201 Paper Exit Sensor Transfer Roller Motor Paper Path and Components Manual Input Slot Paper Input Bin Pick-up Roller SL1 Paper Pick-up Solenoid Feed Sub Roller PS202 Paper Paper PS203 Out Sensor Registration Sensor Feed Roller Troubleshooting 7-5
Service Manual
Page 127
... J201 J204 J301 J302 J304 SW101 SW201 PS201 DC Controller PCA Components Control Panel Connector (Formatter PCA) Fusing Assembly Formatter PCA Connection Paper Pickup Solenoid (SL1) Developer Bias Contact J202 J206 J207 J208 J209 Transfer Roller Contact Primary Roller Contact +12A Vdc Shutoff Switch Engine Test Print Switch Fusing...Paper-Out Photosensors (PS203 and PS202) Fusing Assembly (thermistor feedback) Scanner Motor Laser Driver/Beam Detect Circuitry Door Open/No Toner Cartridge Photosensor (PS204) (HP LaserJet 5L only) Motor 110 volt only Input Power Receptacle 7-6 Troubleshooting
... J201 J204 J301 J302 J304 SW101 SW201 PS201 DC Controller PCA Components Control Panel Connector (Formatter PCA) Fusing Assembly Formatter PCA Connection Paper Pickup Solenoid (SL1) Developer Bias Contact J202 J206 J207 J208 J209 Transfer Roller Contact Primary Roller Contact +12A Vdc Shutoff Switch Engine Test Print Switch Fusing...Paper-Out Photosensors (PS203 and PS202) Fusing Assembly (thermistor feedback) Scanner Motor Laser Driver/Beam Detect Circuitry Door Open/No Toner Cartridge Photosensor (PS204) (HP LaserJet 5L only) Motor 110 volt only Input Power Receptacle 7-6 Troubleshooting
Service Manual
Page 148
... Test to observe: • Motor rotation • Solenoid action • Kick plate motion • Paper Pickup Roller motion • Drive Roller, Transfer Roller, Fuser Roller and Gear, and Delivery Roller Motion. To override PS204 and SW101 1 Remove the Printer Covers (Figures 6-2, 6-3, and 6-4). 2 For HP LaserJet 5LPrinter only: Press the Door Open flag down... Check If paper is not moving through the paper path, you to observe paper motion. (See procedures earlier in this chapter.) Troubleshooting 7-27 For both HP LaserJet 5L and 6L Printers: Press SW101 (Figure 7-7, callout 3).
... Test to observe: • Motor rotation • Solenoid action • Kick plate motion • Paper Pickup Roller motion • Drive Roller, Transfer Roller, Fuser Roller and Gear, and Delivery Roller Motion. To override PS204 and SW101 1 Remove the Printer Covers (Figures 6-2, 6-3, and 6-4). 2 For HP LaserJet 5LPrinter only: Press the Door Open flag down... Check If paper is not moving through the paper path, you to observe paper motion. (See procedures earlier in this chapter.) Troubleshooting 7-27 For both HP LaserJet 5L and 6L Printers: Press SW101 (Figure 7-7, callout 3).
Service Manual
Page 151
... V SCNTAC FG /SCNON SCNCLK +5 V APCSH /LON FG /VDOUT BDI +5 V GND Remarks Motor Drive Signal Motor Drive Signal Motor Drive Signal Motor Drive Signal 5L only Solenoid SL1 Pickup Drive (5L only) "L" when PS202 detects paper "L" when PS203 detects paper Scanner tachometer pulses "L" to rotate scanner motor Scanner clock reference APC sample hold Laser...
... V SCNTAC FG /SCNON SCNCLK +5 V APCSH /LON FG /VDOUT BDI +5 V GND Remarks Motor Drive Signal Motor Drive Signal Motor Drive Signal Motor Drive Signal 5L only Solenoid SL1 Pickup Drive (5L only) "L" when PS202 detects paper "L" when PS203 detects paper Scanner tachometer pulses "L" to rotate scanner motor Scanner clock reference APC sample hold Laser...
Service Manual
Page 172
Table 8-8 Ref LaserJet 5L Part No. Qty Description 1 RB1-7177-000CN RB1-7177-000CN 1 Paper Feed Frame 2 RY7-5008-000CN RY7-5008-000CN 1 Separation Pad Assembly 3 ...-7199-000CN 1 Back Grounding Clip 9 RG5-1947-000CN RG5-1947-000CN 1 Idler Roller Shaft Assembly 13 RH7-5139-000CN RH7-5139-000CN 1 Solenoid 14 RS5-2501-000CN RS5-2501-000CN 1 Kick Plate Spring 16 RB1-7185-000CN RB1-7185-000CN 1 Left Leg 17 RB1-7186-000CN RB1-...000CN 1 Paper Kick Plate 501 XB4-7401-0007 XB4-7401-0007 2 Screw, TP, PH, M4x10 Parts and 8 Diagrams Parts and Diagrams 8-19 LaserJet 6L Part No.
Table 8-8 Ref LaserJet 5L Part No. Qty Description 1 RB1-7177-000CN RB1-7177-000CN 1 Paper Feed Frame 2 RY7-5008-000CN RY7-5008-000CN 1 Separation Pad Assembly 3 ...-7199-000CN 1 Back Grounding Clip 9 RG5-1947-000CN RG5-1947-000CN 1 Idler Roller Shaft Assembly 13 RH7-5139-000CN RH7-5139-000CN 1 Solenoid 14 RS5-2501-000CN RS5-2501-000CN 1 Kick Plate Spring 16 RB1-7185-000CN RB1-7185-000CN 1 Left Leg 17 RB1-7186-000CN RB1-...000CN 1 Paper Kick Plate 501 XB4-7401-0007 XB4-7401-0007 2 Screw, TP, PH, M4x10 Parts and 8 Diagrams Parts and Diagrams 8-19 LaserJet 6L Part No.
Service Manual
Page 185
... Screw Screw Screw Screw Screw Screw Screw (5L) Screw (6L) Screw (DC Controller PCA) (5L) Screw (DC Controller PCA) (6L) Screw (DC Controller PCA) Screw Separation Guide Assembly (5L) Separation Guide Assembly (6L) Separation Pad Assembly Solenoid Spur Assembly Inside (5L) Spur Assembly Inside (6L) Spur Assembly Outside (5L) Spur Assembly Outside (6L) Thermistor Cable Transfer...
... Screw Screw Screw Screw Screw Screw Screw (5L) Screw (6L) Screw (DC Controller PCA) (5L) Screw (DC Controller PCA) (6L) Screw (DC Controller PCA) Screw Separation Guide Assembly (5L) Separation Guide Assembly (6L) Separation Pad Assembly Solenoid Spur Assembly Inside (5L) Spur Assembly Inside (6L) Spur Assembly Outside (5L) Spur Assembly Outside (6L) Thermistor Cable Transfer...
Service Manual
Page 189
...000CN RH7-5139-000CN RS5-0796-000CN RS5-2501-000CN RY7-5005-000CN Description Door Sensor Cable (5L) Thermistor Cable Motor Cable Scanner Cable (5L) Laser Cable (5L) Control Panel PCA Cable (5L) Door Switch Cable (5L) Main Cover (6L) Transfer Guide Assembly (6L) EP/Cover Interlock (6L) Heating Element (110...DC Controller PCA (220 V) (6L) DC Controller PCA Case Assembly Scanner Cable (6L) Door Sensor Cable (6L) Fuse 102 (110 V) Main Motor (5L) Main Motor (6L) Solenoid Pressure Roller Gear Kick Plate Spring Gear Kit #1 A-10 Parts Index Fig. Table A-2 Numerical Parts List (continued) Part No.
...000CN RH7-5139-000CN RS5-0796-000CN RS5-2501-000CN RY7-5005-000CN Description Door Sensor Cable (5L) Thermistor Cable Motor Cable Scanner Cable (5L) Laser Cable (5L) Control Panel PCA Cable (5L) Door Switch Cable (5L) Main Cover (6L) Transfer Guide Assembly (6L) EP/Cover Interlock (6L) Heating Element (110...DC Controller PCA (220 V) (6L) DC Controller PCA Case Assembly Scanner Cable (6L) Door Sensor Cable (6L) Fuse 102 (110 V) Main Motor (5L) Main Motor (6L) Solenoid Pressure Roller Gear Kick Plate Spring Gear Kit #1 A-10 Parts Index Fig. Table A-2 Numerical Parts List (continued) Part No.
Service Manual
Page 202
...6-42 motor 6-43 paper exit sensor flag 6-23 paper feed frame 6-30 pickup roller assembly 6-27 pressure roller 6-20 separation pad 6-37 solenoid 6-25 strategy 6-3 subpads 6-38 top assemblies 6-24 transfer roller 6-34 repair philosophy 1-10 repetitive defects 7-15 repetitive image defect ruler 7-28... assemblies feed assembly 6-39 kick plate 6-35 laser/scanner assembly 6-24 paper feed frame 6-30 pickup roller assembly 6-27 separation pad 6-37 solenoid 6-25 transfer roller 6-34 transferring process 5-14 troubleshooting 7-1 to 7-32 drum rotation 7-23 high-voltage power supply check 7-24 image defects...
...6-42 motor 6-43 paper exit sensor flag 6-23 paper feed frame 6-30 pickup roller assembly 6-27 pressure roller 6-20 separation pad 6-37 solenoid 6-25 strategy 6-3 subpads 6-38 top assemblies 6-24 transfer roller 6-34 repair philosophy 1-10 repetitive defects 7-15 repetitive image defect ruler 7-28... assemblies feed assembly 6-39 kick plate 6-35 laser/scanner assembly 6-24 paper feed frame 6-30 pickup roller assembly 6-27 separation pad 6-37 solenoid 6-25 transfer roller 6-34 transferring process 5-14 troubleshooting 7-1 to 7-32 drum rotation 7-23 high-voltage power supply check 7-24 image defects...