Ricoh Mp C3000 Service Manual
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![Page 1256
Moving the Stack to the Folding Position
B793 52 SM
2.10 MOVING THE STACK TO THE FOLDING POSITION
First, the upper clamp roller feeds the sta ck down after the stack has been stapled. When
the lower clamp roller [A] catches the stack, the upper clamp roller stops, and the lower
clamp roller feeds the stack down.
The lower clamp roller is released just befor e the leading edge of the stack reaches the
bottom fence [B] (this fence cons ists of two pawls that catch the paper). The bottom fence...](http://img.usermanuals.tech/thumb/64/98663/w64_mp-c3000-service-manual-1509271621_d-1255.png "Page 1256
Moving the Stack to the Folding Position
B793 52 SM
2.10 MOVING THE STACK TO THE FOLDING POSITION
First, the upper clamp roller feeds the sta ck down after the stack has been stapled. When
the lower clamp roller [A] catches the stack, the upper clamp roller stops, and the lower
clamp roller feeds the stack down.
The lower clamp roller is released just befor e the leading edge of the stack reaches the
bottom fence [B] (this fence cons ists of two pawls that catch the paper). The bottom fence...")
![Page 1257
Folder
SM 53 B793
B793
Booklet
Finisher
2.11 FOLDER
2.11.1 OVERVIEW
The fold plate pushes the stack into the nip bet ween the fold rollers. The fold rollers feed
out the stack, then reverse to feed it back in agai n. Then, the fold rollers feed the stack out
of the folder, to the booklet tray.
2.11.2 FOLD PLATE
[A]: Bottom Fence Stack Stoppers. Catches t he stack after it is released by the clamp
rollers.
[B]: Fold Plate Motor. Drives the timing belt and gears that move the fold plate....](http://img.usermanuals.tech/thumb/64/98663/w64_mp-c3000-service-manual-1509271621_d-1256.png "Page 1257
Folder
SM 53 B793
B793
Booklet
Finisher
2.11 FOLDER
2.11.1 OVERVIEW
The fold plate pushes the stack into the nip bet ween the fold rollers. The fold rollers feed
out the stack, then reverse to feed it back in agai n. Then, the fold rollers feed the stack out
of the folder, to the booklet tray.
2.11.2 FOLD PLATE
[A]: Bottom Fence Stack Stoppers. Catches t he stack after it is released by the clamp
rollers.
[B]: Fold Plate Motor. Drives the timing belt and gears that move the fold plate....")
![Page 1258
Folder
B793 54 SM
2.11.3 FOLD ROLLERS
[F]: Fold Roller Motor. Drives forward to feed out the stack at the fold, and then drives
forward again to feed out the folded stack.
ƒ This cycle can be repeated by changing the setting of SP6136.
[G]: Fold Rollers. Driven by the fold roller motor, this roller pair feeds out the stack at its fold,
reverses to feed in the stack to, and then feeds forward again (assisted by the fold unit exit
rollers – not shown) to feed out the stack to the lower...](http://img.usermanuals.tech/thumb/64/98663/w64_mp-c3000-service-manual-1509271621_d-1257.png "Page 1258
Folder
B793 54 SM
2.11.3 FOLD ROLLERS
[F]: Fold Roller Motor. Drives forward to feed out the stack at the fold, and then drives
forward again to feed out the folded stack.
ƒ This cycle can be repeated by changing the setting of SP6136.
[G]: Fold Rollers. Driven by the fold roller motor, this roller pair feeds out the stack at its fold,
reverses to feed in the stack to, and then feeds forward again (assisted by the fold unit exit
rollers – not shown) to feed out the stack to the lower...")
![Page 1259
Punch Unit
SM 55 B793
B793
Booklet
Finisher
2.12 PUNCH UNIT
2.12.1 OVERVIEW OF OPERATION
Skew Correction Before Punching
The finisher entrance roller corrects for paper skew and then the punch unit moves across
to punch the holes at the correct position. Each sheet is punched one at a time.
Paper feeds out of the copier. The finisher entrance sensor [A] detects the leading edge of
the sheet.
The finisher entrance roller [B] stops rotating br iefly while the copier exit rollers continue...](http://img.usermanuals.tech/thumb/64/98663/w64_mp-c3000-service-manual-1509271621_d-1258.png "Page 1259
Punch Unit
SM 55 B793
B793
Booklet
Finisher
2.12 PUNCH UNIT
2.12.1 OVERVIEW OF OPERATION
Skew Correction Before Punching
The finisher entrance roller corrects for paper skew and then the punch unit moves across
to punch the holes at the correct position. Each sheet is punched one at a time.
Paper feeds out of the copier. The finisher entrance sensor [A] detects the leading edge of
the sheet.
The finisher entrance roller [B] stops rotating br iefly while the copier exit rollers continue...")
![Page 1260
Punch Unit
B793 56 SM
Punch Unit Position Correction
These operations (skew correction before pu nching, and punch unit position correction)
increase the accuracy of the punch alignment.
The trailing edge of the sheet passes the finisher entrance sensor [A].
The paper position slide unit moves the paper po sition sensor [B] forward to the edge of the
paper.
The paper position sensor detects the position of the paper edge and sends this information
to the punch unit board. The machine...](http://img.usermanuals.tech/thumb/64/98663/w64_mp-c3000-service-manual-1509271621_d-1259.png "Page 1260
Punch Unit
B793 56 SM
Punch Unit Position Correction
These operations (skew correction before pu nching, and punch unit position correction)
increase the accuracy of the punch alignment.
The trailing edge of the sheet passes the finisher entrance sensor [A].
The paper position slide unit moves the paper po sition sensor [B] forward to the edge of the
paper.
The paper position sensor detects the position of the paper edge and sends this information
to the punch unit board. The machine...")
![Page 1261
Punch Unit
SM 57 B793
B793
Booklet
Finisher
These SP codes adjust th e punch hole alignment:
ƒ SP6128 Adjusts the punch positions in the direction of paper feed.
ƒ SP6129 Adjusts the punch position perpendi cular to the direction of feed.
For more, see Section 5. Service Tables.
2.12.2 PAPER POSITION DETECTION
The paper position sensor slide motor [A] extends and retracts the paper position slide that
holds the paper posit ion sensor [B].
The paper position sensor detec ts the...](http://img.usermanuals.tech/thumb/64/98663/w64_mp-c3000-service-manual-1509271621_d-1260.png "Page 1261
Punch Unit
SM 57 B793
B793
Booklet
Finisher
These SP codes adjust th e punch hole alignment:
ƒ SP6128 Adjusts the punch positions in the direction of paper feed.
ƒ SP6129 Adjusts the punch position perpendi cular to the direction of feed.
For more, see Section 5. Service Tables.
2.12.2 PAPER POSITION DETECTION
The paper position sensor slide motor [A] extends and retracts the paper position slide that
holds the paper posit ion sensor [B].
The paper position sensor detec ts the...")
![Page 1262
Punch Unit
B793 58 SM
2.12.3 PUNCH UNIT MOVEMENT
The punch movement motor [A] extends and retrac ts the punch unit to put it at the correct
position for punching.
The punch movement HP sensor [B] detects the position when it retracts, switches off the
punch movement motor, and stops th e punch unit at its home position.
The punch drive motor [C] fires the punches that punch holes in the paper below.
2.12.4 PUNCH SELECTION AND FIRING
The punch drive motor [A] turns the small, notched...](http://img.usermanuals.tech/thumb/64/98663/w64_mp-c3000-service-manual-1509271621_d-1261.png "Page 1262
Punch Unit
B793 58 SM
2.12.3 PUNCH UNIT MOVEMENT
The punch movement motor [A] extends and retrac ts the punch unit to put it at the correct
position for punching.
The punch movement HP sensor [B] detects the position when it retracts, switches off the
punch movement motor, and stops th e punch unit at its home position.
The punch drive motor [C] fires the punches that punch holes in the paper below.
2.12.4 PUNCH SELECTION AND FIRING
The punch drive motor [A] turns the small, notched...")
![Page 1263
Punch Unit
SM 59 B793
B793
Booklet
Finisher
The timing for 2-hole punching [E] is different from 3-hole punching [F].
When the punch unit is at t he punching position, the punch motor turns until the encoder
detects the starting position for 2-hole or 3-hole punching.
ƒ This is the ‘1’ position in the diagrams (the first diagram is for 2-hole punching, and the second diagram is fo r 3-hole punching).
Then, the punch drive motor turns counter-clo ckwise to the ‘2’ position. This movement...](http://img.usermanuals.tech/thumb/64/98663/w64_mp-c3000-service-manual-1509271621_d-1262.png "Page 1263
Punch Unit
SM 59 B793
B793
Booklet
Finisher
The timing for 2-hole punching [E] is different from 3-hole punching [F].
When the punch unit is at t he punching position, the punch motor turns until the encoder
detects the starting position for 2-hole or 3-hole punching.
ƒ This is the ‘1’ position in the diagrams (the first diagram is for 2-hole punching, and the second diagram is fo r 3-hole punching).
Then, the punch drive motor turns counter-clo ckwise to the ‘2’ position. This movement...")
![Page 1264
Punch Unit
B793 60 SM
The punch hopper full sensor [B] does the following:
ƒ Signals that the hopper is full when it detects the top of the stack of punchouts that
have collected in the hopper.
ƒ Detects when the punch hopper is set properly.](http://img.usermanuals.tech/thumb/64/98663/w64_mp-c3000-service-manual-1509271621_d-1263.png "Page 1264
Punch Unit
B793 60 SM
The punch hopper full sensor [B] does the following:
ƒ Signals that the hopper is full when it detects the top of the stack of punchouts that
have collected in the hopper.
ƒ Detects when the punch hopper is set properly.")
Punch Unit SM 57 B793 B793 Booklet Finisher These SP codes adjust th e punch hole alignment: ƒ SP6128 Adjusts the punch positions in the direction of paper feed. ƒ SP6129 Adjusts the punch position perpendi cular to the direction of feed. For more, see Section 5. Service Tables. 2.12.2 PAPER POSITION DETECTION The paper position sensor slide motor [A] extends and retracts the paper position slide that holds the paper posit ion sensor [B]. The paper position sensor detec ts the position of the paper edge. The detected position of the paper is used to move the punch unit ac ross to the correct position for punching. When the paper position slide is retracted, the paper position slide HP sensor [C] detects when the slider is at home position and stops paper position slide motor.
Punch Unit B793 58 SM 2.12.3 PUNCH UNIT MOVEMENT The punch movement motor [A] extends and retrac ts the punch unit to put it at the correct position for punching. The punch movement HP sensor [B] detects the position when it retracts, switches off the punch movement motor, and stops th e punch unit at its home position. The punch drive motor [C] fires the punches that punch holes in the paper below. 2.12.4 PUNCH SELECTION AND FIRING The punch drive motor [A] turns the small, notched encoder wheel [B] through the gap in the punch encoder sensor [C]. The sensor output is used to control the punch timing.
Punch Unit SM 59 B793 B793 Booklet Finisher The timing for 2-hole punching [E] is different from 3-hole punching [F]. When the punch unit is at t he punching position, the punch motor turns until the encoder detects the starting position for 2-hole or 3-hole punching. ƒ This is the ‘1’ position in the diagrams (the first diagram is for 2-hole punching, and the second diagram is fo r 3-hole punching). Then, the punch drive motor turns counter-clo ckwise to the ‘2’ position. This movement punches the holes in the paper. Then, the punch drive motor turns clockwise to the ‘1’ position, to be ready for the next sheet of paper. 2.12.5 PUNCH HOPPER MECHANISM The punchouts fall from the punch unit into the punch hopper [A].
Punch Unit B793 60 SM The punch hopper full sensor [B] does the following: ƒ Signals that the hopper is full when it detects the top of the stack of punchouts that have collected in the hopper. ƒ Detects when the punch hopper is set properly.
PAPER FEED UNIT B800
B800 PAPER FEED UNIT PB3000
Page Date Added/Updated/New
None
SM i B800 PAPER FEED UNIT B800 TABLE OF CONTENTS 1. REPLACEMENT AND ADJUSTMENT ............................................ 1 1.1 REAR CO VER ........................................................................\ ...................... 1 1.2 MOTORS AND CLUTCHES ........................................................................\ . 2 1.2.1 LIFT MOTORS ........................................................................\ ............. 2 1.2.2 UPPER AND LOWER PAPER FEED CLUTCHES .............................. 2 1.2.3 PAPER FEED MOTOR ........................................................................\ 3 1.3 MAIN BOARD ........................................................................\ ....................... 4 1.4 PAPER FEED UNIT ........................................................................\ .............. 5 1.5 PICK-UP, PAPER FEED AN D SEPARATION ROLLERS............................. 6 1.6 LIFT, PAPER END, A ND RELAY SENSORS ............................................... 7 2. DETAILED DESCRIPTIONS ............................................................ 8 2.1 COMPONENT LAYOUT ........................................................................\ ....... 8 2.1.1 MECHANICAL COMPON ENT LAYOUT .............................................. 8 2.1.2 ELECTRICAL COMP ONENT LAYOUT ............................................... 9 2.2 PAPER FE ED ........................................................................\ ..................... 10 2.3 PAPER SIZE DETECTION ........................................................................\ . 11 2.4 REVERSE ROLLER AND PICK -UP ROLLER RELEASE ........................... 12 2.5 PAPER LIFT ........................................................................\ ....................... 13 2.6 PAPER HEIGHT AND END DETECTION................................................... 14 2.6.1 PAPER HEIGHT DETECTION........................................................... 14 2.6.2 PAPER END AND BO TTOM PLATE ................................................. 15
Read This First Safety and Symbols Replacement Procedure Safety ƒ Turn off the main power switch and unplug the machine before beginning any of the replacement procedures in this manual. Symbols Used in this Manual This manual uses the following symbols. : See or Refer to : Screws : Connector : Clip ring : E-ring