Ricoh SK5040 Quick start guide

High Capacity Stacker SK5040

Machine Code: D3DK

Field Service Manual

Ver 1.0

Latest Release: Feb, 2018

Initial Release: Feb, 2018

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

Black

Cyan

Magenta

Yellow

B/W, BW

Black and White

Full color

[A] Short Edge Feed (SEF)

[B] Long Edge Feed (LEF)

Table of Contents

1. Replacement and Adjustment ............................................................................................................ 3

Common Procedures.............................................................................................................................. 3

Roll-Away Cart D456 .......................................................................................................................... 3

Covers................................................................................................................................................. 3

Jogger Unit........................................................................................................................................ 11

Straight Paper Path .............................................................................................................................. 17

Motors ............................................................................................................................................... 17

Sensors............................................................................................................................................. 18

Proof Tray............................................................................................................................................. 22

Motors ............................................................................................................................................... 22

Sensors............................................................................................................................................. 23

Shift Tray .............................................................................................................................................. 27

Paper Shift Operation ....................................................................................................................... 27

Paper Jogging................................................................................................................................... 40

Shift Tray Lift Control........................................................................................................................ 49

Shift Tray Level Adjustment.............................................................................................................. 61

Paddle Roller .................................................................................................................................... 69

Cleaning the Exit/Shift Rollers and Shafts ....................................................................................... 70

Anti-Static Brush Replacement......................................................................................................... 72

Switches, Solenoid ............................................................................................................................... 73

Door Switches................................................................................................................................... 73

Front Door Lock Solenoid................................................................................................................. 75

Fans...................................................................................................................................................... 78

Cooling Fan Motor for Paper Transport Motors ............................................................................... 78

Cooling Fan for Entrance Motor ....................................................................................................... 78

Paper Cooling Fan Motors................................................................................................................ 79

Boards .................................................................................................................................................. 85

Main Board........................................................................................................................................ 85

PSU................................................................................................................................................... 86

Operation Panel PCB ....................................................................................................................... 87

Registration Adjustment / Skew Correction.......................................................................................... 88

Skew Check...................................................................................................................................... 88

Registration Adjustment ................................................................................................................... 88

Skew Correction ............................................................................................................................... 89

2. Detailed Descriptions........................................................................................................................ 92

Overview............................................................................................................................................... 92

Main Motors ...................................................................................................................................... 92

Sensors............................................................................................................................................. 93

Electrical Components...................................................................................................................... 94

Paper Path........................................................................................................................................ 98

Jogger Unit........................................................................................................................................ 99

Paper Path.......................................................................................................................................... 100

Paper Path Motors.......................................................................................................................... 100

Paper Path Sensors........................................................................................................................ 101

Paper Shift and Alignment.................................................................................................................. 102

Paper Shift ...................................................................................................................................... 102

Paper Alignment: Jogging .............................................................................................................. 103

Shift Tray Lift and Height Adjustment............................................................................................. 108

Air Assistance..................................................................................................................................... 110

1.Replacement and Adjustment

1. Replacement and Adjustment

Common Procedures

Roll-Away Cart D456

To prevent damage to the tray switches at the back of the machine, always remove the tray

cart before moving the stacker unit.

Always remove the cart before servicing.

1. Open the front door.

2. Pull out the cart.

Covers

Rear Lower Cover, Rear Upper Cover

The rear lower cover should be removed before the rear upper cover.

1.Replacement and Adjustment

1. Remove the rear lower cover [A] ( x4)

2. Remove the rear upper cover [A] ( x4)

Corner Cover

1. Remove the rear lower cover and rear upper cover (see the previous section).

2. Remove the corner cover [A] ( x4).

Left Exit Cover Plate

If a peripheral unit has been installed downstream of the stacker, this cover was removed at installation.

1.Replacement and Adjustment

1. Remove the left exit cover plate [A] ( x2)

Left Cover

1. Remove the left exit cover plate (Left Exit Cover Plate)

2. Remove the left cover [A] ( x4)

Remove the last screw carefully. The left cover may fall suddenly because there are no hooks

holding it in place.

Never place your hand or fingers below the bottom edge of the cover when removing it.

Top Door

1. Open the top door.

2. Remove the "L" hinges [A] from the right and left ends of the door.

1.Replacement and Adjustment

3. Pull the door away from the stacker.

4. You may want to re-insert the "L" hinges in their holes so that they do not get misplaced.

Front Door

1. Remove the top door (Top Door)

2. Open the front door.

3. Remove the covers [A] ( x2 each)

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Table of contents

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