Ricoh JP735 Service Manual download pdf (Page 16)

C252/C261 iv SM

6.6.2 DRUM DRIVE MECHANISM ..........................................................6-18

6.6.3 INK SUPPLY MECHANISM............................................................6-19

6.6.4 INK ROLLER MECHANISM ...........................................................6-20

6.6.5 INK SUPPLY CONTROL ................................................................6-21

6.6.6 DETECTION OF MASTERS ON THE DRUM ................................6-22

6.7 PAPER FEED..........................................................................................6-23

6.7.1 OVERVIEW ....................................................................................6-23

6.7.2 PAPER FEED MECHANISM ..........................................................6-24

6.7.3 PAPER FEED / SEPARATION PRESSURE MECHANISM ...........6-25

6.7.4 REGISTRATION ROLLER MECHANISM.......................................6-26

6.7.5 REGISTRATION SENSOR CLEANING .........................................6-28

6.7.6 PRINTING PRESSURE MECHANISM ...........................................6-29

6.7.7 RE-FEEDING MECHANISM...........................................................6-29

6.7.8 PAPER TABLE MECHANISM ........................................................6-30

6.8 PAPER DELIVERY..................................................................................6-32

6.8.1 OVERVIEW ....................................................................................6-32

6.8.2 PAPER DELIVERY UNIT DRIVE MECHANISM.............................6-33

6.8.3 PAPER SEPARATION FROM THE DRUM ....................................6-34

6.8.4 EXIT PAWL DRIVE MECHANISM..................................................6-35

6.9 TIMING CHART.......................................................................................6-37

6.9.1 MASTER EJECT/MASTER FEED..................................................6-37

6.9.2 MASTER WRAPPING ....................................................................6-38

6.9.3 PRINTING ......................................................................................6-39

SPECIFICATIONS

SPECIFICATIONS............................................................................. 7-1

1. GENERAL SPECIFICATIONS....................................................................7-1

C261

OVERALL INFORMATION ............................................................... 8-1

1. INSTALLATION ........................................................................... 8-2

1.2 INSTALLATION PROCEDURE ..................................................................8-2

1.2.1 MAIN BODY ......................................................................................8-2

1.2.2 ADDITIONAL DRUMS (OPTION)......................................................8-3

2. REPLACEMENT AND ADJUSTMENT ........................................ 8-4

2.9 DRUM.........................................................................................................8-4

2.9.2 CLOTH SCREEN ..............................................................................8-4

2.9.3 CLAMPER / METAL SCREEN ..........................................................8-5

2.9.4 INK PUMP ADJUSTMENT ................................................................8-7

2.10 PAPER DELIVERY ...............................................................................8-8

2.10.3 VACUUM FAN MOTOR POSITION.............................................8-8

3. TROUBLESHOOTING ................................................................. 8-9

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