Service manual

HL-5030/5040/5050/5070N SERVICE MANUAL
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5. GUIDELINES FOR LEAD FREE SOLDER ............................................................ 4-62
CHAPTER 5 PERIODIC MAINTENANCE............................................... 5-1
1. CONSUMABLE PARTS...........................................................................................5-1
1.1 Drum Unit..........................................................................................................................5-1
1.2 Toner Cartridge.................................................................................................................5-3
2. PERIODICAL REPLACEMENT PARTS ..................................................................5-8
2.1 Fixing Unit .........................................................................................................................5-9
2.2 Paper Feeding Kit............................................................................................................5-12
3. PERIODICAL CLEANING......................................................................................5-14
3.1 Cleaning the Printer Exterior...........................................................................................5-14
3.2 Cleaning the Drum Unit ..................................................................................................5-14
3.3 Cleaning the Scanner Window .......................................................................................5-15
3.4 Cleaning the Electrical Terminals ...................................................................................5-16
4. MTBF / MTTR........................................................................................................5-17
CHAPTER 6 TROUBLESHOOTING ....................................................... 6-1
1. INTRODUCTION.....................................................................................................6-1
1.1 Initial Check ......................................................................................................................6-1
1.2 Warnings for Maintenance Work......................................................................................6-2
1.3 Identify the Problem..........................................................................................................6-3
2. OPERATOR CALLS & SERVICE CALLS................................................................6-4
2.1 Operator Calls...................................................................................................................6-4
2.2 Service Calls.....................................................................................................................6-5
3. ERROR MESSAGE.................................................................................................6-6
3.1 Error Message in the Status Monitor ................................................................................6-6
3.2 Error Message Printouts...................................................................................................6-7
4. PAPER PROBLEMS................................................................................................6-8
4.1 Paper Loading Problems..................................................................................................6-8
4.2 Paper Jams ......................................................................................................................6-9
4.2.1 Clearing jammed paper....................................................................................................... 6-9
4.2.2 Causes & countermeasures.............................................................................................. 6-13
4.3 Paper Feeding Problems................................................................................................6-14
5. SOFTWARE SETTING PROBLEMS.....................................................................6-16
6. MALFUNCTIONS ..................................................................................................6-19
7. IMAGE DEFECTS .................................................................................................6-24
7.1 Image Defect Examples .................................................................................................6-24
7.2 Diameter of Rollers.........................................................................................................6-24
7.3 Troubleshooting Image Defect .......................................................................................6-25
7.4 Location of Grounding Contacts .....................................................................................6-44
7.4.1 Drum unit ..........................................................................................................................6-44
7.4.2 Printer body & Paper cassette .......................................................................................... 6-44
8. INCORRECT PRINTOUT......................................................................................6-45
9. NETWORK PROBLEM..........................................................................................6-48