Ricoh RT5120 Quick start guide

Vacuum Feed LCIT RT5120
Machine Code: D3EW
Field Service Manual
Ver 1.0
Latest Release: Feb, 2018
Initial Release: Feb, 2018
(c) 2018 Ricoh Co.,Ltd.

Symbols, Abbreviations
This manual uses several symbols and abbreviations. The meaning of those symbols and abbreviations
are as follows:
Symbol
What it means
Clip ring
Screw
Connector
Clamp
E-ring
Flat Flexible Cable
Timing Belt
SEF
Short Edge Feed
LEF
Long Edge Feed
K
Black
C
Cyan
M
Magenta
Y
Yellow
B/W, BW
Black and White
FC
Full color
[A] Short Edge Feed (SEF)
[B] Long Edge Feed (LEF)

1
Table of Contents
1. Replacement and Adjustment ............................................................................................................ 4
Exterior Covers....................................................................................................................................... 4
Right Upper Cover .............................................................................................................................. 4
Right Lower Cover .............................................................................................................................. 4
Rear Right Cover ................................................................................................................................ 5
Rear Left Cover .................................................................................................................................. 5
Left Top Cover .................................................................................................................................... 6
Center Top Cover ............................................................................................................................... 6
Right Top Cover.................................................................................................................................. 7
Front Corner Cover............................................................................................................................. 7
Top Cover ........................................................................................................................................... 8
Top Cover Interlock Switch............................................................................................................... 10
Rear Corner Cover ........................................................................................................................... 14
Front Door......................................................................................................................................... 14
Upper Inner Cover ............................................................................................................................ 15
Lower Inner Cover ............................................................................................................................ 16
Tray Front Cover (Tray 1, 2)............................................................................................................. 16
Paper Feed Unit (Trays 1, 2)................................................................................................................ 17
Paper Tray ........................................................................................................................................ 17
Paper Feed Belt Unit ........................................................................................................................ 17
Paper Feed Belt................................................................................................................................ 21
Paper End Sensor 1 ......................................................................................................................... 23
Paper End Sensor 2 ......................................................................................................................... 24
Suction Fan Shutter Solenoid........................................................................................................... 26
Paper Feed Sensor........................................................................................................................... 27
Transport Roller Unit......................................................................................................................... 29
Float/Separation/Return Fan Duct.................................................................................................... 29
Float/Separation/Return Fan Bracket............................................................................................... 32
Float Fan........................................................................................................................................... 35
Separation Fan ................................................................................................................................. 36
Return Fan........................................................................................................................................ 37
Float Fan Shutter Solenoid............................................................................................................... 39
Return Solenoid ................................................................................................................................ 40
Paper Upper Limit Sensor 1, 2 ......................................................................................................... 41
Paper Height Middle Sensor............................................................................................................. 44
Paper Lower Limit Sensor ................................................................................................................ 45
LCIT Paper Length Sensors 1 and 2................................................................................................ 47