1.31 DC Gear Holder Assy ........................................................................................... IV-23
1.36 Paper Tray ............................................................................................................ IV-25
CHAPTER V
MAINTENANCE AND SERVICING
1.
2.
3.
LIST OF STANDARD TOOLS ............................................................................................ V-2
4.
CHAPTER VI
TROUBLESHOOTING
1.
INTRODUCTION ..............................................................................................................VI-1
1.1
Initial Check ............................................................................................................ VI-1
1.2
Basic Procedure ..................................................................................................... VI-2
2.
2.1
Test Printing ........................................................................................................... VI-2
3.
IMAGE DEFECTS ............................................................................................................VI-3
3.1
Image Defect Examples ......................................................................................... VI-3
3.2
4.
5.
5.1
Paper Jams ..........................................................................................................VI-19
5.2
Incomplete Paper Feed ........................................................................................VI-22
6.
OPERATION ..................................................................................................................VI-23
6.1
6.2
DRAM Test ...........................................................................................................VI-25
7.
STATUS MESSAGE LIST ............................................................................................... VI-26
APPENDICES
1.
Engine Block Diagram ....................................................................................................... A-1
2.
3.
4.
Main PCB Circuitry Diagram (2/8) ..................................................................................... A-4
5.
Main PCB Circuitry Diagram (3/8) ..................................................................................... A-5
6.
Main PCB Circuitry Diagram (4/8) ..................................................................................... A-6
7.
Main PCB Circuitry Diagram (5/8) ..................................................................................... A-7
8.
Main PCB Circuitry Diagram (6/8) ..................................................................................... A-8
9.
Main PCB Circuitry Diagram (7/8) ..................................................................................... A-9
10.
Main PCB Circuitry Diagram (8/8) ................................................................................... A-10
11.
12.
iii