4.2
Load Paper Manually ......................................................................................................2-10
4.3
5.
5.1
5.2
5.3
Drum LED Indications .....................................................................................................2-14
5.4
Alarm LED Indications ....................................................................................................2-14
5.5
5.6
Other Control Features ...................................................................................................2-15
5.6.1 Sleep mode....................................................................................................................... 2-15
5.6.2 Test print mode ................................................................................................................. 2-16
6.
6.1
6.2
Functions ........................................................................................................................2-18
6.2.1 LED functions.................................................................................................................... 2-18
1.
ELECTRONICS ................................ ................................ ................................ .......3-1
1.1
General Block Diagram.....................................................................................................3-1
1.2
Main PCB Block Diagram .................................................................................................3-4
1.3
Main PCB..........................................................................................................................3-7
1.3.1 ASIC.................................................................................................................................... 3-7
1.3.2 ROM.................................................................................................................................. 3-10
1.3.3 Flash ROM ........................................................................................................................ 3-12
1.3.4 DRAM................................................................................................................................ 3-12
1.3.5 Optional RAM.................................................................................................................... 3-14
1.3.6 Optional serial I/O ............................................................................................................. 3-15
1.3.7 PCI bus ............................................................................................................................. 3-15
1.3.8 EEPROM........................................................................................................................... 3-16
1.3.9 Reset circuit ...................................................................................................................... 3-16
1.3.10 Engine I/O ......................................................................................................................... 3-17
1.4
Engine PCB ....................................................................................................................3-18
1.5
1.6
Power Supply..................................................................................................................3-19
2.
MECHANICS ................................ ................................ ................................ .........3-21
2.1
2.2
Paper Transfer ................................................................................................................3-23
2.2.1 Paper supply ..................................................................................................................... 3-23
2.2.2 Paper registration.............................................................................................................. 3-23
iii
TABLE OF CONTENTS