5.
1.
CONSUMABLE PARTS........................................................................................... 5-1
1.1
Drum Unit..........................................................................................................................5-1
1.2
Toner Cartridge.................................................................................................................5-3
2.
2.1 Fixing Unit .........................................................................................................................5-9
2.2 Paper Feeding Kit............................................................................................................5-12
3.
PERIODICAL CLEANING...................................................................................... 5-14
3.1
3.2
Cleaning the Drum Unit ..................................................................................................5-14
3.3
3.4
4.
MTBF / MTTR........................................................................................................ 5-17
1.
INTRODUCTION..................................................................................................... 6-1
1.1
Initial Check ......................................................................................................................6-1
1.2
1.3
Identify the Problem ..........................................................................................................6-3
2.
2.1
Operator Calls...................................................................................................................6-4
2.2
Service Calls.....................................................................................................................6-5
3.
ERROR MESSAGE................................................................................................. 6-6
3.1
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
4.3
Paper Feeding Problems................................................................................................6-14
5.
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
7.4
7.4.1 Drum unit .......................................................................................................................... 6-44
8.
INCORRECT PRINTOUT ...................................................................................... 6-45
9.
NETWORK PROBLEM.......................................................................................... 6-48
HL-5030/5040/5050/5070N SERVICE MANUAL
v