Ricoh LCIT RT5090 Quick start guide
LCIT RT5090
Machine Code: D732
Field Service Manual
November, 2014
Safety, Conventions, Trademarks
Conventions
Common Terms
This is a list of symbols and abbreviations used in this manual.
Symbol What it means
Screw
Connector
E-ring
Clip ring
Harness clamp
FFC Flexible Film Cable
JG Junction Gate
LE Leading Edge of paper
LEF Long Edge Feed
SEF Short Edge Feed
TE Trailing Edge of paper
[A] Short Edge Feed (SEF)
[B] Long Edge Feed (LEF)
1
Warnings, Cautions, Notes
In this manual, the following important symbols and notations are used.
• A Warning indicates a potentially hazardous situation. Failure to obey a Warning could result in
death or serious injury.
• A Caution indicates a potentially hazardous situation. Failure to obey a Caution could result in
minor or moderate injury or damage to the machine or other property.
• Obey these guidelines to avoid problems such as misfeeds, damage to originals, loss of valuable
data and to prevent damage to the machine.
• This information provides tips and advice about how to best service the machine.
Responsibilities of the Customer Engineer
Reference Material for Maintenance
• Maintenance shall be done using the special tools and procedures prescribed for maintenance of
the machine described in the reference materials (service manuals, technical bulletins, operating
instructions, and safety guidelines for customer engineers).
•Use only consumable supplies and replacement parts designed for use of the machine.
The Aim of Anti-tip Components and Precautions
The anti-tip components are necessary for meeting the requirements of IEC60950-1, the international
standard for safety.
The aim of these components is to prevent the products, which are heavy in weight, from toppling as a
result of people running into or leaning onto the products, which can lead to serious accidents such as
persons becoming trapped under the product. (U.S.: UL60950-1, Europe: EN60950-1)
Therefore, removal of such components must always be with the consent of the customer.
Do not remove them at your own judgment.
2
TABLE OF CONTENTS
Safety, Conventions, Trademarks......................................................................................................................1
Conventions.................................................................................................................................................... 1
Common Terms...................................................................................................................................... 1
Warnings, Cautions, Notes...........................................................................................................................2
Responsibilities of the Customer Engineer.................................................................................................... 2
Reference Material for Maintenance...................................................................................................2
The Aim of Anti-tip Components and Precautions....................................................................................... 2
1. Replacement and Adjustment
Removing Trays...................................................................................................................................................5
Door and Covers................................................................................................................................................ 7
Front Cover..................................................................................................................................................... 7
Rear Cover......................................................................................................................................................7
Top Cover....................................................................................................................................................... 8
Side Cover...................................................................................................................................................... 8
Left Top Cover.................................................................................................................................................9
Right Top Cover..............................................................................................................................................9
Left Rear Cover.............................................................................................................................................10
Right Rear Cover..........................................................................................................................................10
Right Cover...................................................................................................................................................11
Inner Covers................................................................................................................................................. 11
Inner Upper Cover.............................................................................................................................. 11
Inner Lower Cover...............................................................................................................................12
Paper Feed........................................................................................................................................................13
Paper Feed Units..........................................................................................................................................13
When reinstalling the paper feed unit............................................................................................... 13
Paper Feed, Separation and Pickup Rollers.............................................................................................. 14
Top Tray (Tray 1)................................................................................................................................ 14
Middle Tray (Tray 2)...........................................................................................................................16
Bottom Tray (Tray 3)........................................................................................................................... 18
LCIT Motors.......................................................................................................................................................22
Transport Motors, LCIT Exit Motor............................................................................................................. 22
1st, 2nd, and 3rd Transport Motors ..................................................................................22
LCIT Exit Motor ...............................................................................................................................22
3
Feed Motors, Grip Motors................................................................................................................. 23
Reinstallation........................................................................................................................................24
Lift Motors..................................................................................................................................................... 24
1st, 3rd Lift Motors..............................................................................................................................24
2nd Lift Motor......................................................................................................................................25
Exit Roller Lift Motor.....................................................................................................................................26
Cooling Fan .................................................................................................................................................27
Electrical Components..................................................................................................................................... 29
Paper Feed and End Sensors......................................................................................................................29
When reinstalling the sensor bracket.................................................................................................29
Lift Sensor......................................................................................................................................................30
LCIT Exit Sensor............................................................................................................................................31
Exit Roller Lift Sensor....................................................................................................................................31
Removing the Vertical Feed Unit.................................................................................................................32
1st Transport, 1st Relay Upper, Lower Sensors.........................................................................................34
2nd Relay Sensor, 2nd Transport Sensor.................................................................................................. 35
3rd Relay Sensor, 3rd Transport Sensor....................................................................................................36
Main Control Board.................................................................................................................................... 36
Paper Height, Paper Width Sensors...........................................................................................................37
Paper Height Sensors..........................................................................................................................37
Paper Width Sensors.......................................................................................................................... 37
Adjustment........................................................................................................................................................ 39
Side Registration Adjustment.......................................................................................................................39
Double Feed Problem from LCIT........................................................................................................ 39
4
1. Replacement and Adjustment
Removing Trays
• Tray 2 weighs 27 kg (60 lb) empty. Trays 1 and 3 weigh 20 kg (44 lb) each 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 LCIT has not been docked to the copier. Removing the tray while the
LCIT is standing alone can unbalance the LCIT and cause it to fall over.
• Only one set of carrying handles is attached to the side of Tray 2. Follow the procedure below to
attach and use these handles to move Tray 1, 2, or 3.
1. Pull the tray [A] out of the LCIT 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 .
6. With one person on each side of the tray, lift it carefully and remove it from the rails.
5
1. Replacement and Adjustment
6
Door and Covers
Front Cover
1. Open the front door [A].
2. Front cover [A] ( x2)
Rear Cover
1. Rear cover [A] ( x2)
Door and Covers
7
Table of contents
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