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3.1 Precautions when replacing parts ……………………………… 3-1
3.1.1 Precautions when assembling and disassembling ……… 3-1
3.1.2 Preautions when handling PBA …………………………… 3-1
3.1.3 Releasing Plastic Latches ………………………………… 3-1
3.2 Replacing a Maintenance Parts ………………………………… 3-2
3.2.1 Fuser Unit …………………………………………………… 3-2
3.2.2 Pick up roller ………………………………………………… 3-3
3.3 General Disassembly …………………………………………… 3-4
3.3.1 Cover Unit …………………………………………………… 3-4
3.3.2 Front Cover Unit …………………………………………… 3-8
3.3.3 OPE Unit……………………………………………………… 3-9
3.3.4 HVPS Board ………………………………………………… 3-10
3.3.5 Main PBA …………………………………………………… 3-11
3.3.6 SMPS Board ………………………………………………… 3-11
3.3.7 Fuser Control Board ………………………………………… 3-12
3.3.8 LSU …………………………………………………………… 3-12
3.3.9 SOLENOID ………………………………………………… 3-13
3.3.10 Drive-Exit Bracket ………………………………………… 3-14
3.3.11 Drive-Fuser Bracket ……………………………………… 3-15
4.1 Alignment and Adjustments ……………………………………… 4-1
4.1.1 Control Panel ………………………………………………… 4-1
4.1.2 Understanding The Status LED …………………………… 4-2
4.1.3 Menu Overview ……………………………………………… 4-3
4.1.4 Tech Mode …………………………………………………… 4-7
4.1.5 Firmware Upgrade ………………………………………… 4-16
4.2 Troubleshooting…………………………………………………… 4-22
4.2.1 Procedure of Checking the Symptoms …………………… 4-22
4.2.2 Error Message and Troubleshooting ……………………… 4-23
4.2.3 Feeding Problems and solutions ………………………… 4-48
chapter 4
Alignment & Troubleshooting
Contents
chapter 3
Maintenance and Disassembly
Содержание CLP-670N
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