MX-2310U, MX-3111U (serv.man138). IMPROVEMENT ON NOISE FROM RSPF AND MAIN DRIVE UNIT ETC - Sharp Copying Equipment Technical Bulletin (repair manual)

mx-2310u, mx-3111u (serv.man138) technical bulletin
Model
MX-2310U MX-3111U (serv.man138)
Pages
7
Size
911.74 KB
Type
PDF
Document
Technical Bulletin
Brand
Device
Copying Equipment / IMPROVEMENT ON NOISE FROM RSPF AND MAIN DRIVE UNIT ETC
File
mx-2310u-mx-3111u-sm138.pdf
Date

Read Sharp MX-2310U / MX-3111U (serv.man138) Technical Bulletin online

 
 
 
 
 
 
C
Document Systems Division 
1/7 
SHARP CORPORATION
Date: November 7
th
 2012 
Model: MX-2310U-3610N 
Ref: CCE-1082   
 
Colour: White 
 
Page: 1 OF 7   
TECHNICAL BULLETIN 
IMPROVEMENT ON NOISE FROM RSPF AND 
MAIN DRIVE UNIT ETC 
 
1. Model Name: 
MX-2310U/3111U, MX-2610N/3110N/3610N, MX-RP12 
 
2. Description: 
In order to reduce the noise from RSPF, Main Drive Unit, Paper Exit Unit, and Paper   
 
 
Feed Drive Unit, the shape and material of the parts has been changed and other   
 
 
modifications such as addition and removal of polyslider have been implemented. 
 
 
(See below for detail.) 
 
 
 
- Paper feed section in RSPF 
 
 
  (1) Tentative measure: Addition of polyslider between pickup roller gear and E ring 
 
 
 
 
 
 
 
 
 
 
  (2) Permanent measure: Change in the type of gear for pickup roller gear and paper   
 
 
        feed gear from straight gear to slant gear Cancellation of polyslider shown above   
 
 
        along with the change in the shape of pickup roller gear and paper feed gear 
 
 
  (2)-1
 
Pickup roller gear  Before change 
     After change 
 
 
 
 
 
 
  (2)-2 Paper feed gear 
Before change 
After change 
 
 
 
Straight gear 
Slant gear 
Straight gear 
Slant gear 
Polyslider has been added here. 
Pickup roller gear 
E ring 
Paper feed shaft 
 
 
 
2/7 
 
- Transport section in RSPF 
 
  (3) Addition of polyslider at two sections 
 
 
 
 
 
 
 
 
 
 
 
- Main Drive Unit 
 
  (4)-1 Change in shape of belt clutch shaft CCW 
 
 
 
 
Before change 
 
 
 
 
 
 
After change 
 
 
 
 
 
  (4)-2 Change in shape of belt separate shaft 
 
 
 
 
 
Before change 
 
 
 
 
 
 
 
After change 
 
 
 
 
 
  (4)-3 Change in shape of belt clutch shaft 
 
 
 
 
Before change 
 
 
 
 
 
 
After change 
 
 
 
 
Polyslider has been added here. 
Pulley 
Bearing 
Groove after change 
Change in D cut 
Groove after change 
Groove after change 
Change in D cut 
Groove before change 
Groove before change 
Groove before change 
 
 
 
3/7 
 
  (4)-4 Removal five pieces of polyslider 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  (5) Change in shape of pulley 
 
 
     Before change 
      After change 
 
 
 
 
 
 
 
- Delivery Unit 
 
  (6) -1 Change in material for Delivery follower roller 
 
      (Change in POM grade: DE8502 -> DE9442) 
 
 
     Before change 
      After change 
 
 
 
 
 
  (6)-2 Change in material for Fusing upper collar (S-Bear -> POM) 
 
 
        Before change  
     After change 
 
 
 
 
 
Shape of the rib has been changed. 
  Protrusion has been 
  added for identification. 
Clutch 
Polyslider has been removed from here. 
 
 
 
4/7 
 
- Paper feed drive unit 
 
  (7)-1 Boss crimping has been implemented at nine sections on transport drive plate 
 
     (for MX-2310U/3111U/2610N/3110N/3610N) 
 
 
     Before change 
 
 
     After change 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  (7)-2 Along with the implementation of boss crimping described above, followings have been   
 
     removed:PS front idle shaft (NSFTZ3519FCZZ)x1, PS front pulley idle shaft   
 
     (NSFTZ3524FCZZ)x1, Transport reduction idle shaft (NSFTZ3518FCZZ)x1, Transport idle  
 
          shaft (NSFTZ3526FCZZ)x1, CS joint idle shaft (NSFTZ3528FCZZ)x1, CS idle shaft 43   
 
          (NSFTZ3534FCZZ)x1, CS clutch idle shaft (NSFTZ3532FCZZ)x1, CS idle shaft 40   
 
          (NSFTZ3533FCZZ)x2, and DV polyslider at two sections, E ring has been added at six   
 
     Sections (for MX-2310U/3111U/2610N/3110N/3610N) 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Boss crimping (at nine sections) 
Addition of E4 ring 
(at two sections) 
Addition of E7 ring 
(at four sections) 
X
: Removed parts 
Gear 27T/39T
Gear 27T/39T 
Gear 43T 
Transport reduction idle gear 
Gear 27T 
Reverse drive gear 
Page of 7
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