Service Manual
Page 8
...121 Image-formation process 122 Step 1: Pre-exposure 123 Step 2: Primary charging 123 Step 3: Laser-beam exposure 124 Step 4: Development 124 Step 5: Primary transfer 124 Step 6: Secondary transfer 125 Step 7: Separation 126 Step 8: Fusing 126 Step 9: ITB cleaning 127 Step 10: ... Paper feed ...145 Skew-feed prevention 146 OHT detection 146 Fusing and delivery unit 147 Loop control ...147 Pressure-roller pressurization control 148 Duplexing unit (HP Color LaserJet CP3525dn and HP Color LaserJet CP3525x only) ...150 Duplexing reverse and feed control 151 Duplex pickup operation 151...
...121 Image-formation process 122 Step 1: Pre-exposure 123 Step 2: Primary charging 123 Step 3: Laser-beam exposure 124 Step 4: Development 124 Step 5: Primary transfer 124 Step 6: Secondary transfer 125 Step 7: Separation 126 Step 8: Fusing 126 Step 9: ITB cleaning 127 Step 10: ... Paper feed ...145 Skew-feed prevention 146 OHT detection 146 Fusing and delivery unit 147 Loop control ...147 Pressure-roller pressurization control 148 Duplexing unit (HP Color LaserJet CP3525dn and HP Color LaserJet CP3525x only) ...150 Duplexing reverse and feed control 151 Duplex pickup operation 151...
Service Manual
Page 138
... motor Drives the photosensitive drum (cyan), developing unit (magenta/cyan), and primary charging roller (cyan) DC motor Drives the photosensitive drum (black), developing unit (black), and ITB drive roller, and secondary transfer roller DC motor Lifter motor Cyan/black scanner... mirror in the cyan/black laser scanner Drives the scanner DC motor mirror in the yellow/ magenta laser scanner Developing Drives the developing Stepping motor disengagement motor unit disengagement Duplex reverse motor (HP Color LaserJet CP3525dn and HP Color LaserJet CP3525x only) Drives the duplex...
... motor Drives the photosensitive drum (cyan), developing unit (magenta/cyan), and primary charging roller (cyan) DC motor Drives the photosensitive drum (black), developing unit (black), and ITB drive roller, and secondary transfer roller DC motor Lifter motor Cyan/black scanner... mirror in the cyan/black laser scanner Drives the scanner DC motor mirror in the yellow/ magenta laser scanner Developing Drives the developing Stepping motor disengagement motor unit disengagement Duplex reverse motor (HP Color LaserJet CP3525dn and HP Color LaserJet CP3525x only) Drives the duplex...
Service Manual
Page 447
... Check the separation roller and MP-tray separation roller to verify that the pickup motor is set correctly Place the secondary-transfer-roller unit in the actuator-drive mode. If the motor is functioning properly. The TOP sensor is defective Run the sensor test ... the duplex area (HP Color LaserJet CP3525dn and HP Color LaserJet CP3525x only) Table 7-21 Causes and solutions for duplexing reverse jams Cause Solution The duplex reverse roller is not set correctly. Replace the MP-tray pickup roller and MP-tray separation roller. The secondary transfer roller is worn or...
... Check the separation roller and MP-tray separation roller to verify that the pickup motor is set correctly Place the secondary-transfer-roller unit in the actuator-drive mode. If the motor is functioning properly. The TOP sensor is defective Run the sensor test ... the duplex area (HP Color LaserJet CP3525dn and HP Color LaserJet CP3525x only) Table 7-21 Causes and solutions for duplexing reverse jams Cause Solution The duplex reverse roller is not set correctly. Replace the MP-tray pickup roller and MP-tray separation roller. The secondary transfer roller is worn or...