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