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CHAPTER 5 PERIODIC MAINTENANCE ...............................................5-1
1. CONSUMABLE PARTS................................ ................................ ...........................5-1
1.1 Drum Unit..........................................................................................................................5-1
1.2 Toner Cartridge.................................................................................................................5-2
2. PERIODICAL REPLACEMENT PARTS...................................................................5-4
3. PERIODICAL CLEANING................................ ................................ ........................5-5
3.1 Cleaning the Printer Exterior.............................................................................................5-5
3.2 Cleaning the Drum Unit.....................................................................................................5-5
3.3 Cleaning the Scanner Window..........................................................................................5-6
3.4 Cleaning the Electrical Terminals .....................................................................................5-6
4. MTBF / MTTR..........................................................................................................5-7
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.....................................................................................................................6-4
3. ERROR MESSAGES...............................................................................................6-6
3.1 Error Messages in the Status Monitor ..............................................................................6-6
3.2 Error Message Printouts ...................................................................................................6-8
4. PAPER PROBLEMS................................................................................................6-9
4.1 Paper Load Problems .......................................................................................................6-9
4.2 Paper Jams.....................................................................................................................6-10
4.2.1 Clearing the jammed paper............................................................................................... 6-10
4.2.2 Causes & countermeasures.............................................................................................. 6-11
4.3 Paper Feeding Problems ................................................................................................6-12
5. SOFTWARE SETTING PROBLEMS .....................................................................6-14
6. MALFUNCTIONS...................................................................................................6-18
7. IMAGE DEFECTS..................................................................................................6-23
7.1 Image Defect Examples..................................................................................................6-23
7.2 Troubleshooting Image Defect........................................................................................6-24
7.3 Location of Grounding Contacts .....................................................................................6-41
7.3.1 Drum unit .......................................................................................................................... 6-41
7.3.2 Printer body & paper cassette........................................................................................... 6-41
8. INCORRECT PRINTOUT ......................................................................................6-42
9. NETWORK PROBLEM (FOR HL-1270N ONLY)....................................................6-45
9.1 Installation Problem ........................................................................................................6-45
9.2 Intermittent Problem........................................................................................................6-46
9.3 TCP/IP Troubleshooting..................................................................................................6-47
9.4 UNIX Troubleshooting.....................................................................................................6-47