Canon LBP 2460 Service Manual - Page 263
Action, M-22 Registration Roller not rotating paper deck, M-23 Poor Output from the High-Voltage
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CHAPTER 4 1. Gears are damaged. Action: Replace any damaged gears. 2. The registration clutch is defective. Action: Disconnect registration clutch connector J17. Measure the resistance between connectors J17-1 and J17-2 on the cable side. If it is not about 210 , replace the registration clutch. 3. The DC controller PCB is defective. Action: Replace the DC controller PCB. M-22 Registration Roller not rotating (paper deck) 1. Gears are damaged. Action: Replace any damaged gears. 2. Defective registration clutch. Action: Remove connector J102. Measure the resistance between connectors J102-7 and J102-8 on the clutch side. If it is not about 210 , replace the registration clutch. 3. Defective paper deck driver PCB Action: Replace the paper deck driver PCB. M-23 Poor Output from the High-Voltage Power Supply 1. A terminal of the high-voltage contacts is dirty or burnt out. Action: Clean the terminals of the high-voltage contact. Replace if is burnt out. 2. The high-voltage power supply PCB is defective. Action: Replace the high-voltage power supply PCB. 3. The DC controller PCB is defective. Action: Replace the DC controller PCB. M-24 Feed Roller not rotating (paper deck) 1. Gears are damaged. Action: Replace any damaged gears. 2. Defective feed clutch. Action: Remove connector J102. Measure the resistance between connectors J102-9 and J102-10 on the clutch side. If it is not about 210 , replace the feed clutch. 3. Defective paper deck driver PCB Action: Replace the paper deck driver PCB. 4 - 49