Rico LCIT RT5110 Quick start guide

LCIT RT5110
Machine Code:D3ET
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 ............................................................................................................ 3
Removing Trays ..................................................................................................................................... 3
Doors and Covers................................................................................................................................... 5
Top Covers ......................................................................................................................................... 5
Left Rear Cover .................................................................................................................................. 6
Right Rear Cover ................................................................................................................................ 6
Right Cover......................................................................................................................................... 7
Inner Covers ....................................................................................................................................... 7
Jam LED ............................................................................................................................................... 10
Jam LED (LCIT Exit)......................................................................................................................... 10
Jam LED (1st to 3rd Tray Unit)......................................................................................................... 10
Paper Feed ........................................................................................................................................... 12
Paper Feed Unit................................................................................................................................ 12
Paper Feed, Separation and Pickup Rollers .................................................................................... 13
LCT Motors........................................................................................................................................... 19
Transport Motors, LCT Exit Motor .................................................................................................... 19
Lift Motors ......................................................................................................................................... 20
Exit Roller Lift Motor ......................................................................................................................... 22
Cooling Fan....................................................................................................................................... 23
Electrical Components.......................................................................................................................... 24
Paper Feed and End Sensors .......................................................................................................... 24
Lift Sensor......................................................................................................................................... 25
LCT Exit Sensor................................................................................................................................ 25
Exit Roller Lift Sensor ....................................................................................................................... 26
Removing the Vertical Feed Unit...................................................................................................... 27
1st Transport, 1st Relay Upper, Lower Sensors .............................................................................. 29
2nd Relay Sensor, 2nd Transport Sensor........................................................................................ 29
3rd Relay Sensor, 3rd Transport Sensor.......................................................................................... 30
Main Control Board........................................................................................................................... 30
Paper Height, Paper Width Sensors ................................................................................................ 30
Adjustment............................................................................................................................................ 32
Side Registration Adjustment ........................................................................................................... 32
2. Troubleshooting ................................................................................................................................ 33
Double Feed Problem from LCT .......................................................................................................... 33
3. Detailed Descriptions........................................................................................................................ 34
Specifications........................................................................................................................................ 34
Mechanical Component Layout............................................................................................................ 35

2
Overview Layout ............................................................................................................................... 35
Drive Layout...................................................................................................................................... 36
Electrical Components...................................................................................................................... 37
Roller Drive Layout ........................................................................................................................... 41
Paper Transport Layout.................................................................................................................... 42
Paper Handling..................................................................................................................................... 43
Paper Feed Rollers........................................................................................................................... 43
Paper Feed Motors........................................................................................................................... 43
Paper Separation.............................................................................................................................. 44
Paper Detection and Lift ................................................................................................................... 47
Lift Sensor......................................................................................................................................... 48
Paper Size Detection........................................................................................................................ 49
Remaining Paper Detection.............................................................................................................. 50
Air Assist Feed Mechanism .............................................................................................................. 51
Paper End Detection......................................................................................................................... 52
Jam Detection LED........................................................................................................................... 52
Increased the Rigidity of the Side Fence.......................................................................................... 54

1.Replacement and Adjustment
3
1. Replacement and Adjustment
Removing Trays
The 1000-sheet tray weighs 27 kg (60 lb) empty. The 2000-sheet tray weighs 20 kg (44 lb)
empty.
To prevent damage to the tray and personal injury, never attempt to lift a tray alone or without
attaching the carrying handles, especially if a tray is loaded with paper.
Two people on each side of the tray should lift the carrying handles together to lift and move
the tray.
Never remove the tray if the LCT has not been docked to the copier. Removing the tray while
the LCT is standing alone can unbalance the LCT and cause it to fall over.
Only one set of carrying handles is attached to the side of Tray 4. Follow the procedure below
to attach and use these handles to move Tray 3, 4, or 5.
1. Pull the tray out of the LCT until it stops.
2. Remove the screws from the right rail ( x3).
3. Remove the screws from the left rail ( x3).
You do not need to remove screw for the stopper pin bracket at the back of the left rail.
4. Remove carrying handles [A] and [B] from the right side of the tray ( x 2 ea.)
5. Use the same screws to attach the carrying handles at and .

1.Replacement and Adjustment
4
6. With one person on each side of the tray, lift it carefully and remove it from the rails.

1.Replacement and Adjustment
5
Doors and Covers
Top Covers
The top covers must be removed in order from left to right.
1. Open the front door.
2. Disconnect the front [A] and rear [B] ( x4).
3. Remove the top left cover.
4. Remove the left flat cover ( x2).

1.Replacement and Adjustment
6
5. Remove the center flat cover ( x2).
6. Remove the right flat cover ( x2).
Left Rear Cover
1. Remove the left rear cover [A] ( x8).
Right Rear Cover
1. Remove the left rear cover. (Left Rear Cover)