TABLE OF CONTENTS
v
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