1-1-1
3A6
CONTENTS
1-1 Specifications
1-1-1 Specifications ....................................................................................................................................... 1-1-1
1-1-2 Part names and their functions ............................................................................................................ 1-1-2
1-1-3 Machine cross section .......................................................................................................................... 1-1-3
1-1-4 Drive system ........................................................................................................................................ 1-1-4
(1) Feedshift section ........................................................................................................................... 1-1-4
(2) Duplex unit .................................................................................................................................... 1-1-5
1-2 Installation
1-2-1 Unpacking ............................................................................................................................................ 1-2-1
1-3 Troubleshooting
1-3-1 Paper misfeed detection ...................................................................................................................... 1-3-1
(1) Paper misfeed indication............................................................................................................... 1-3-1
(2) Paper misfeed detection conditions .............................................................................................. 1-3-2
(3) Paper misfeeds ............................................................................................................................. 1-3-3
(1) Paper jams in the duplex unit when the main switch is turned on. ........................................ 1-3-3
(2) Paper jams in the feedshift section during copying (jam in feedshift section). ...................... 1-3-3
(3) Paper jams in the duplex unit during copying (jam in duplex paper conveying
section 1). .............................................................................................................................. 1-3-3
(4) Paper jams in the duplex unit during copying (jam in duplex paper conveying
section 2). .............................................................................................................................. 1-3-3
1-3-2 Electrical problems ............................................................................................................................... 1-3-4
(1) The feedshift solenoid does not operate. ...................................................................................... 1-3-4
(2) The feedshift motor does not operate. .......................................................................................... 1-3-4
1-3-3 Mechanical problems ........................................................................................................................... 1-3-5
(1) Paper jams. ................................................................................................................................... 1-3-5
(2) Abnormal noise is heard. .............................................................................................................. 1-3-5
1-4 Assembly and Disassembly
1-4-1 Precautions for assembly and disassembly ......................................................................................... 1-4-1
(1) Precautions ................................................................................................................................... 1-4-1
1-4-2 Procedure for assembly and disassembly ........................................................................................... 1-4-2
(1) Adjusting the margin for printing ................................................................................................... 1-4-2
(2) Adjusting the amount of slack at the registration roller ................................................................. 1-4-3
(3) Adjusting the center line of image printing .................................................................................... 1-4-4
2-1 Mechanical construction
2-1-1 Feedshift section .................................................................................................................................. 2-1-1
(1) Paper conveying operation in the feedshift section ...................................................................... 2-1-2
2-1-2 Duplex unit ........................................................................................................................................... 2-1-3
2-2 Electrical Parts Layout
2-2-1 Electrical parts layout ........................................................................................................................... 2-2-1
2-3 Appendixes
Periodic maintenance procedures .................................................................................................................. 2-3-1