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Ricoh Pro C9100 Series Technical Bulletin
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Ricoh Pro C9100 Series Technical Bulletin

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Reissued: 21-Nov-16
Model:
Leo-C1a/C1b (D194/D195)
RTB Reissue
The items in bold and italics were corrected or added.
Subject:
Adjustments in Vacuum Feed LCIT to prevent no-feed
and double-feed jams
From:
1st PP Tech Service Sec., PP Tech Service Dept.,
Classification:
Supplementary Explanation on the Adjustments to Prevent No-feed and
Double-feed Jams in the Vacuum Feed LCIT
The vacuum feed LCIT is capable of feeding a versatile range of media, but is also
susceptible to paper curl by the nature of its mechanism of blowing air to separate the
sheets. This bulletin provides explanations on the adjustments to prevent double-feed and
no-feed jams, especially caused by paper curl. The main jam codes are as follows:
Jam type
No-feed
Upper Tray of 1st LCIT
Lower Tray of 1st LCIT
Upper Tray of 2nd LCIT
Lower Tray of 2nd LCIT
Upper Tray of 3rd LCIT
Lower Tray of 3rd LCIT
Jam type
Double-feed
Upper Tray of 1st LCIT
Lower Tray of 1st LCIT
Upper Tray of 2nd LCIT
Lower Tray of 2nd LCIT
Upper Tray of 3rd LCIT
Lower Tray of 3rd LCIT
T
echnical
Troubleshooting
Mechanical
Paper path
Product Safety
Jam location
Jam location
B
ulletin
Date:
23-Feb-15
Prepared by:
Part information
Electrical
Transmit/receive
Other (
)
Jam code
J430
J431
J445
J446
J460
J461
Jam code
J470
J471
J485
J486
J500
J501
PAGE: 1/8
No.:
RD777001b
Shinnosuke Sasaki
Action required
Service manual revision
Retrofit information
Tier 2

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Summary of Contents for Ricoh Pro C9100 Series

  • Page 1 echnical ulletin PAGE: 1/8 Reissued: 21-Nov-16 Model: Date: No.: Leo-C1a/C1b (D194/D195) 23-Feb-15 RD777001b RTB Reissue The items in bold and italics were corrected or added. Subject: Prepared by: Adjustments in Vacuum Feed LCIT to prevent no-feed Shinnosuke Sasaki and double-feed jams From: 1st PP Tech Service Sec., PP Tech Service Dept., Troubleshooting...
  • Page 2 echnical ulletin PAGE: 2/8 Reissued: 21-Nov-16 Model: Date: No.: Leo-C1a/C1b (D194/D195) 23-Feb-15 RD777001b Adjustments Code Action  Do the following. J430 1. Fan and decurl the paper, as shown. J431 J445 2. Set No. 118 [Paper Feed Mode (Adjust Fan Level)] in Advanced J446 Settings to [Moderate Nonfdg Red.
  • Page 3 echnical ulletin PAGE: 3/8 Reissued: 21-Nov-16 Model: Date: No.: Leo-C1a/C1b (D194/D195) 23-Feb-15 RD777001b Idea behind the adjustment The Vacuum Feed LCIT blows air to the leading and side edges of the paper to separate the topmost sheet from the stack, sucks up the sheet, and feeds with the belt. Paper with large curls hinders this function and affects the feed performance.
  • Page 4 echnical ulletin PAGE: 4/8 Reissued: 21-Nov-16 Model: Date: No.: Leo-C1a/C1b (D194/D195) 23-Feb-15 RD777001b Adjustments in Advanced Settings for Custom Paper The following are the adjustments available in the Advanced Settings for Customer Paper. 111 [Up Draft Fan] Function: Blows air to the leading edge to float the paper. Feed Belt 112 [Blower Fan] Function: Blows air in between the topmost sheet and the stack to separate the sheet.
  • Page 5 echnical ulletin PAGE: 5/8 Reissued: 21-Nov-16 Model: Date: No.: Leo-C1a/C1b (D194/D195) 23-Feb-15 RD777001b 114 [Vacuum Fan] Function: Sucks up the floating paper to the feed belt. Feed Belt 115 [Up Draft Fan Shutters] Function: Blocks the air flow from the updraft and blower fans immediately before feeding to positively separate the topmost sheet from the stack.
  • Page 6 echnical ulletin PAGE: 6/8 Reissued: 21-Nov-16 Model: Date: No.: Leo-C1a/C1b (D194/D195) 23-Feb-15 RD777001b 118 [Paper Feed Mode (Adjust Fan Level)] Function: Enables easy adjustment of the updraft fans and side fans together. For example, selecting “Moderate Nonfdg Red. (Higher)” will increase the fan power 10% for both fans.

  • Page 7: Appendix 1: Available Adjustments

    echnical ulletin PAGE: 7/8 Reissued: 21-Nov-16 Model: Date: No.: Leo-C1a/C1b (D194/D195) 23-Feb-15 RD777001b Appendix 1: Available adjustments Default Weight Thickness Adjustment Items Small sizes [gsm] Large sizes (139.7mm~ (148.0mm~) 147.9mm) 119 2-Tray LCT: Updraft Fan Level 120 2-Tray LCT: Blower Fan Level 121 2-Tray LCT: Side Fan Level 122 2-Tray LCT: Vacuum Fan Level 8 and 9...
  • Page 8 echnical ulletin PAGE: 8/8 Reissued: 21-Nov-16 Model: Date: No.: Leo-C1a/C1b (D194/D195) 23-Feb-15 RD777001b Appendix 2: Components Vacuum fan Feed belt Side fans Blower fan Updraft fans Paper stack surface detection sensor for weight 4 or heavier paper Paper stack surface detection sensor for weight 3 or lighter paper Updraft fan shutters Blower fan shutter...
  • Page 9 echnical ulletin PAGE: 1/1 Model: Date: No.: Vacuum Feed LCIT RT5100 29-Jul-15 RD077002 Subject: Prepared by: Part Catalog Correction Vacuum Feed LCIT RT5100 Takezoh Miyamoto – Joint bracket From: 1st PP Tech Service Sec., PP Tech Service Dept., Classification: Troubleshooting Part information Action required Mechanical...
  • Page 10 echnical ulletin PAGE: 1/8 Model: Date: No.: BR-C1/BR-P1 28-Sep-15 RD777003 Subject: Prepared by: Adjustments in Vacuum Feed LCIT to prevent no-feed J. Ohno and double-feed jams for BR-C1/P1 From: 1st PP Tech Service Sec., PP Tech Service Dept., Classification: Troubleshooting Part information Action required Mechanical...
  • Page 11 echnical ulletin PAGE: 2/8 Model: Date: No.: BR-C1/BR-P1 28-Sep-15 RD777003 Adjustments Code Action  Do the following. J430 1. Fan and decurl the paper. J431 J445 2. Set No. 41 [Paper Feed Mode (Adjust Fan Level)] in Advanced J446 Settings to [Moderate Nonfdg Red. (Higher)]. 3.
  • Page 12 echnical ulletin PAGE: 3/8 Model: Date: No.: BR-C1/BR-P1 28-Sep-15 RD777003 Idea behind the adjustment The Vacuum Feed LCIT blows air to the leading and side edges of the paper to separate the topmost sheet from the stack, sucks up the sheet, and feeds it with a belt. Paper with large curls hinders this function and affects the feed performance.
  • Page 13 echnical ulletin PAGE: 4/8 Model: Date: No.: BR-C1/BR-P1 28-Sep-15 RD777003 Adjustments in Advanced Settings for Custom Paper The following are the adjustments available in the Advanced Settings for Custom Paper. 34 [Updraft Fan] Function: Blows air to the leading edge to float the paper. Feed Belt 35 [Blower Fan] Function: Blows air in between the topmost sheet and the stack to separate the sheet.
  • Page 14 echnical ulletin PAGE: 5/8 Model: Date: No.: BR-C1/BR-P1 28-Sep-15 RD777003 37 [Vacuum Fan] Function: Sucks up the floating paper to the feed belt. Feed Belt 38 [Updraft Fan Shutters] Function: Blocks the air flow from the up draft and blower fans immediately before feeding to positively separate the topmost sheet from the stack.
  • Page 15 echnical ulletin PAGE: 6/8 Model: Date: No.: BR-C1/BR-P1 28-Sep-15 RD777003 41 [Paper Feed Mode (Adjust Fan Level)] Function: Enables easy adjustment of the up draft fans and side fans together. For example, selecting “Moderate Nonfdg Red. (Higher)” will increase the fan power 10% for both fans.
  • Page 16 echnical ulletin PAGE: 7/8 Model: Date: No.: BR-C1/BR-P1 28-Sep-15 RD777003 Appendix 1: Available adjustments Default Weight Thickness Adjustment Items Small sizes [gsm] Large sizes (139.7mm~ (148.0mm~) 147.9mm) Updraft Fan Blower Fan Side Fan Vacuum Fan 300.1~350 Updraft Fan Shutter Active Active Side Fan Shutter Inactive...

  • Page 17: Appendix 2: Components

    echnical ulletin PAGE: 8/8 Model: Date: No.: BR-C1/BR-P1 28-Sep-15 RD777003 Appendix 2: Components Vacuum fan Feed belt Side fans Blower fan Up draft fans Paper stack surface detection sensor for weight 4 or heavier paper Paper stack surface detection sensor for weight 3 or lighter paper Up draft fan shutters Blower fan shutter...
  • Page 18 echnical ulletin PAGE: 1/5 Model: Date: No.: Vacuum Feed LCIT 28-Oct-15 RD777004 Subject: Prepared by: Troubleshooting banner sheet skew S. Sasaki From: 1st Tech Service Sect., PP Tech Service Dept. Troubleshooting Part information Action required Classification: Mechanical Electrical Service manual revision Paper path Transmit/receive Retrofit information...
  • Page 19 echnical ulletin PAGE: 2/5 Model: Date: No.: Vacuum Feed LCIT 28-Oct-15 RD777004 SOLUTION Apply the skew adjustment plates under the connection pins on the mainframe following the procedure described in this document, in order to adjust the angle with which the LCIT is connected to the mainframe.
  • Page 20 echnical ulletin PAGE: 3/5 Model: Date: No.: Vacuum Feed LCIT 28-Oct-15 RD777004 4. Insert the skew adjustment plates under the connection pins. Apply them on either the operator side or the non-operator side depending on skew direction. Applying a plate will correct 0.25mm/100mm of skew.
  • Page 21 echnical ulletin PAGE: 4/5 Model: Date: No.: Vacuum Feed LCIT 28-Oct-15 RD777004 5. Print a trim pattern to check if the skew is corrected and check the image position. Note: Image position may be decentered after the skew adjustment plates are applied. 6.
  • Page 22 echnical ulletin PAGE: 5/5 Model: Date: No.: Vacuum Feed LCIT 28-Oct-15 RD777004 6-2. Re-fasten the screws in one of the other screw holes to shift the image position. +0.5 -0.5 -1.0 +1.0 -1.5 +1.5 +2.0 -2.0 Note There are 8 screw holes for each screw. Choose a screw hole depending on in which direction and how much you want to move the image position.
  • Page 23 echnical ulletin PAGE: 1/5 Model: Date: No.: Vacuum Feed LCIT 30-Nov-15 RD777005 Subject: Prepared by: Preventing J430/J431 caused by Improper set of Paper feed T. Miyamoto belt unit From: 1st Tech Service Sect., PP Tech Service Dept. Classification: Troubleshooting Part information Action required Mechanical Electrical...
  • Page 24 echnical ulletin PAGE: 2/5 Model: Date: No.: Vacuum Feed LCIT 30-Nov-15 RD777005 SOLUTION Connect the spring pin to the coupling with the following procedure. The procedure is the same for the paper feed belt unit of the main machine and of the Vacuum Feed LCIT RT5100, and can be performed either when the main power switch is turned ON or OFF.
  • Page 25 echnical ulletin PAGE: 3/5 Model: Date: No.: Vacuum Feed LCIT 30-Nov-15 RD777005 2. Close the tray. 3. Execute the SP for the tray(s) showing the symptom. This will rotate the paper feed belt for 5 seconds so that the spring pin connects with the coupling. ...
  • Page 26 echnical ulletin PAGE: 4/5 Model: Date: No.: Vacuum Feed LCIT 30-Nov-15 RD777005 Procedure when the main power switch is OFF 1. With the paper feed belt unit [A] installed, check if there is a gap between the frames at the location indicated with the red dotted circle. If there is no gap, confirm that the two screws fixing paper feed belt unit are securely fastened.
  • Page 27 echnical ulletin PAGE: 5/5 Model: Date: No.: Vacuum Feed LCIT 30-Nov-15 RD777005 2. Remove the two screws to pull out the paper feed unit [A] and slowly turn the paper feed belt [B] with your hands. This will connect the spring pin with the coupling. 3.
  • Page 28 echnical ulletin PAGE: 1/2 Model: Date: No.: Vacuum Feed LCIT RT5100 2-Mar-16 RD777006 Subject: Prepared by: Troubleshooting non-feed from Vacuum Feed LCIT RT5100 Hiroaki H Matsui with grain long paper From: 1st Tech Service Sect., PP Tech Service Dept. Classification: Troubleshooting Part information Action required...
  • Page 29 echnical ulletin PAGE: 2/2 Model: Date: No.: Vacuum Feed LCIT RT5100 2-Mar-16 RD777006 SOLUTION Attach the magnet sheet to the end fence. 1. Pull out the tray and take out the magnet sheet from the pocket on the right-hand side of the wide Large Capacity Tray.
  • Page 30 echnical ulletin PAGE: 1/3 Reissued: 26-Aug-16 Model: Date: No.: Vacuum Feed LCIT 28-Apr-16 RD777007a RTB Reissue The items in were corrected or added. Subject: Prepared by: Troubleshooting No-feed jams (J430, 431, J445, J446) due to S. Sasaki clogged filter From: 1st Tech Service Sect., PP Tech Service Dept.
  • Page 31 echnical ulletin PAGE: 2/3 Reissued: 26-Aug-16 Model: Date: No.: Vacuum Feed LCIT 28-Apr-16 RD777007a SOLUTION Production line The filter will be changed to an external type, so that it is easier to clean. Applied from: August 2016 production Note: The filter in the photo is a prototype, and is different in color than the production- level part.
  • Page 32 echnical ulletin PAGE: 3/3 Reissued: 26-Aug-16 Model: Date: No.: Vacuum Feed LCIT 28-Apr-16 RD777007a 4. Attach the positioning sponges (D7771294) as follows. 13mm 25mm 13mm 5. Attach the filter assembly (P/N D7771295). IMPORTANT:  Check the filter every PM visit and clean it if clogged. ...
  • Page 33 echnical ulletin PAGE: 1/2 Model: Date: No.: Vacuum Feed LCIT RT5100 24-May-16 RD777008 Subject: Prepared by: New side plate for LCIT RT5100 Rie Shohda From: 1st Tech Service Sect., PP Tech Service Dept. Troubleshooting Part information Action required Classification: Mechanical Electrical Service manual revision Paper path...
  • Page 34 echnical ulletin PAGE: 2/2 Model: Date: No.: Vacuum Feed LCIT RT5100 24-May-16 RD777008 Note when replacing the Side Plates Take note of the following points when replacing the newly registered Side Plates, because the bracket is attached with the float/separation fan and duct. See photo below, which is a shot of the tray taken from the left hand side.
  • Page 35 echnical ulletin PAGE: 1/8 Model: Vacuum Feed LCIT RT5100 Date: 3-Aug-16 No.: RD777009 Subject: Rework procedure: How to improve wire-cut risk w/ paper tray Prepared by: Junji Kobayashi From: Field Quality Management Group 4, FQM Dept, QAC Classification: Troubleshooting Part information Action required Mechanical Electrical...
  • Page 36 echnical ulletin PAGE: 2/8 Model: Vacuum Feed LCIT RT5100 Date: 3-Aug-16 No.: RD777009 4. Measure the distance (span) between the two side plates (Fig. 2). Important: The scale ends should touch the bent portion of the side plates. Fig. 2 5.
  • Page 37 echnical ulletin PAGE: 3/8 Model: Vacuum Feed LCIT RT5100 Date: 3-Aug-16 No.: RD777009 Target dimensions a. Span between the two side plates (Fig. 2, 3): 446.8 – 448.4 mm b. Clearance (Fig. 4): 0.5 – 3.0 mm If BOTH the span and clearance are within these dimensions when the tray is in ALL THREE positions (upper, middle, lower positions), this Rework is complete.
  • Page 38 echnical ulletin PAGE: 4/8 Model: Vacuum Feed LCIT RT5100 Date: 3-Aug-16 No.: RD777009 8. Rework the tray assembly: Adjust the tray dimensions if any of the spans or clearances are less than the target (See page 3). Important: Do not adjust the span or clearance beyond the target dimensions. Procedure (Fig.
  • Page 39 echnical ulletin PAGE: 5/8 Model: Vacuum Feed LCIT RT5100 Date: 3-Aug-16 No.: RD777009 Banner Tray 1. Measure the distance between the two side plates Set the scale in the same way as described above. Measure the span as the distance between the two side plates at two positions, both Upper (Fig.
  • Page 40 echnical ulletin PAGE: 6/8 Model: Vacuum Feed LCIT RT5100 Date: 3-Aug-16 No.: RD777009 2. Measure the clearance between the bent portions of the side plate and the bearing flange by shifting the bottom plate to the rear side (both the Upper (Fig. 10) and Lower (Fig.
  • Page 41 echnical ulletin PAGE: 7/8 Model: Vacuum Feed LCIT RT5100 Date: 3-Aug-16 No.: RD777009 3. Check for the following, which indicate a higher risk of the wire breaking. See Page 3 above for details. 1) Presence of scraped powder generated by bottom plate sliding 2) Less smooth up-and-down movement of the bottom plate.
  • Page 42 echnical ulletin PAGE: 8/8 Model: Vacuum Feed LCIT RT5100 Date: 3-Aug-16 No.: RD777009 Deformation check procedure of the side plate 1) Put the scale in the cut-out portion, as shown in Fig. 13 below. 2) Check the deformation of the cut-out portion circled in red. If you can see the light in between the plate and scale, this portion may be deformed.

  • Page 43: Modified Parts

    echnical ulletin PAGE: 1/13 Reissued: 17-Jan-17 Model: Date: No.: Vacuum Feed LCIT RT5100 20-Oct-16 RD777010b RTB Reissue The items in bold italics were changed or added. Subject: Prepared by: Hiroaki H Matsui Modified parts to prevent paper tray lift wire breakage / replacement procedure From: 1st PP Tech Service Sec., PP Tech Service Dept.
  • Page 44 echnical ulletin PAGE: 2/13 Reissued: 17-Jan-17 Model: Date: No.: Vacuum Feed LCIT RT5100 20-Oct-16 RD777010b Common procedure 1. Pull out the paper tray and remove the front cover [A]. (screw x4)
  • Page 45 echnical ulletin PAGE: 3/13 Reissued: 17-Jan-17 Model: Date: No.: Vacuum Feed LCIT RT5100 20-Oct-16 RD777010b 2. Remove the paper tray [B] from the main frame and place it on a flat sturdy table or a bench. (screw x4) NOTE: The tray is very heavy. Two persons are needed to remove the tray.
  • Page 46 echnical ulletin PAGE: 4/13 Reissued: 17-Jan-17 Model: Date: No.: Vacuum Feed LCIT RT5100 20-Oct-16 RD777010b 3. Remove the Operation Sub Ass'y [A] from the tray unit [B] by pulling it toward the direction indicated with the yellow arrow. (screw x8, connector x1) Left Right Connector...
  • Page 47 echnical ulletin PAGE: 5/13 Reissued: 17-Jan-17 Model: Date: No.: Vacuum Feed LCIT RT5100 20-Oct-16 RD777010b How to replace the Pulley Cover (p/n: D7772784) 1. Replace the pulley cover [A] with the new type cover. The pulley cover is installed at front and rear sides of the paper tray respectively.
  • Page 48 echnical ulletin PAGE: 6/13 Reissued: 17-Jan-17 Model: Date: No.: Vacuum Feed LCIT RT5100 20-Oct-16 RD777010b How to replace the Collar (p/n: D7772769, 2pcs), Ball Bearing - Front (p/n: D7772746, 1pc), Ball Bearing - Rear (p/n: D7772745, 1pc) and Stud (p/n: D7777769, 2pcs) 1.
  • Page 49 echnical ulletin PAGE: 7/13 Reissued: 17-Jan-17 Model: Date: No.: Vacuum Feed LCIT RT5100 20-Oct-16 RD777010b 3-1. Remove the feeler [A]. (screw x1)
  • Page 50 echnical ulletin PAGE: 8/13 Reissued: 17-Jan-17 Model: Date: No.: Vacuum Feed LCIT RT5100 20-Oct-16 RD777010b NOTE: Step 3-2 and 3-3 have been added. 3-2 Remove the plates [A] (if installed) and [B] – (See step 3-3) 3-3. To remove plates [B] gently skew the plate as indicated in the picture below. Some force is required.
  • Page 51 echnical ulletin PAGE: 9/13 Reissued: 17-Jan-17 Model: Date: No.: Vacuum Feed LCIT RT5100 20-Oct-16 RD777010b 4. Remove the bottom plate [A] from the tray and place it upside down on a flat sturdy table or a bench, and then replace the collars [B] and [C] with the new type collors. NOTE: The new type collars are tapered.
  • Page 52 echnical ulletin PAGE: 10/13 Reissued: 17-Jan-17 Model: Date: No.: Vacuum Feed LCIT RT5100 20-Oct-16 RD777010b 5. Replace the studs [A] and [B] with the new type studs, and then install the ball bearing assemblies front [C] and rear [D]. (screw x4)
  • Page 53 echnical ulletin PAGE: 11/13 Reissued: 17-Jan-17 Model: Date: No.: Vacuum Feed LCIT RT5100 20-Oct-16 RD777010b How to attach the Front Sheet (p/n: D7772655) to the front wire hook 1. At the front side of the tray, remove the two wire hooks [A]. (screw x2) Front side 2.
  • Page 54 echnical ulletin PAGE: 12/13 Reissued: 17-Jan-17 Model: Date: No.: Vacuum Feed LCIT RT5100 20-Oct-16 RD777010b How to attach the Rear Sheet (p/n: D7772657) to the rear wire hook 1. At the rear side of the tray, remove the two wire hooks [B]. (screw x2) Rear side 2.
  • Page 55 echnical ulletin PAGE: 13/13 Reissued: 17-Jan-17 Model: Date: No.: Vacuum Feed LCIT RT5100 20-Oct-16 RD777010b Common procedure for front and rear sides 1. Hook the wire [A] onto the wire hook [B] as you slightly bend the sheet [C]. Do the same for the remaining three hooks. Reassembling Reassemble the paper tray by following the above steps in reverse order.
  • Page 56 echnical ulletin PAGE: 1/3 Model: Date: No.: Vacuum Feed LCIT RT5100 31-Oct-16 RD777011 Subject: Prepared by: Takuya Hirakawa Rework procedure: Side Fence Cleaning and Oil lubrication From: Field Quality Management Group 4, FQM Dept, QAC Classification: Troubleshooting Part information Action required Mechanical Electrical Service manual revision...
  • Page 57 echnical ulletin PAGE: 2/3 Model: Date: No.: Vacuum Feed LCIT RT5100 31-Oct-16 RD777011 2. Apply engine oil to the right side of the side fence shaft (positions are marked by red stars in Fig. 2). Fig. 2 IMPORTANT:  Apply the oil as 3 large drops for each shaft, near the shaft bearing, as shown in Fig.
  • Page 58 echnical ulletin PAGE: 3/3 Model: Date: No.: Vacuum Feed LCIT RT5100 31-Oct-16 RD777011 3. Slide the side fence back and forth about ten round trips. Fig. 4 4. Clean off any paper dust or foreign material that was scraped out, using a cloth. 5.
  • Page 59 echnical ulletin PAGE: 1/4 Model: Date: No.: Vacuum Feed LCIT RT5100 31-Oct-16 RD777012 Subject: Rework procedure: How to improve image shift on main scan Prepared by: Takuya Hirakawa From: Field Quality Management Group 4, FQM Dept, QAC Classification: Troubleshooting Part information Action required Mechanical Electrical...
  • Page 60 echnical ulletin PAGE: 2/4 Model: Date: No.: Vacuum Feed LCIT RT5100 31-Oct-16 RD777012 4. Measure the distances (spans A, B, C, D) between the two side fences as shown in Figs. 2 and 3. Fig. 2 Fig. 3...
  • Page 61 echnical ulletin PAGE: 3/4 Model: Date: No.: Vacuum Feed LCIT RT5100 31-Oct-16 RD777012 IMPORTANT: Make sure the scale ends touch the bent portion of each side fence. See Fig. 4 below for the correct and incorrect measuring positions. Fig. 4 5.
  • Page 62 echnical ulletin PAGE: 4/4 Model: Date: No.: Vacuum Feed LCIT RT5100 31-Oct-16 RD777012 7. Loosen the screw shown below. Note: This screw is located inside the round hole in the side plate on the operator side of the machine. Fig. 6 8.
  • Page 63 echnical ulletin PAGE: 1/12 Model: Date: 2-Mar-17 No.: RD777013 Vacuum Feed LCIT RT5100 Subject: Prepared by: Abnormal noise from tray set with A3/DLT or heavier paper Hiroaki H Matsui From: PP Tech Service Dept., 1st PP Tech Service Sect. Classification: Troubleshooting Part information Action required...
  • Page 64 echnical ulletin PAGE: 2/12 Model: Date: 2-Mar-17 No.: RD777013 Vacuum Feed LCIT RT5100 Call-out Description Photo Q’ty D7773020 BRACKET:DAMPER: GEAR:PLATE D7773018 BRACKET:GEAR: PEEN 04543006N TAPPING SCREW: ROUND POINT:3X6...
  • Page 65 echnical ulletin PAGE: 3/12 Model: Date: 2-Mar-17 No.: RD777013 Vacuum Feed LCIT RT5100 Rework procedure 1. Pull out the paper tray [A] and remove it from the LCIT (screw x4). 2. Remove the left slide rail [A] (screw x4) and the upper left cover [A] (screw x4) and disconnect the connector [C].
  • Page 66 echnical ulletin PAGE: 4/12 Model: Date: 2-Mar-17 No.: RD777013 Vacuum Feed LCIT RT5100 3. Remove the paper feed unit [A] from the paper tray (screw x4). 4. Remove the lower face plate [A] (screw x2). View from the direction indicated with the arrow...
  • Page 67 echnical ulletin PAGE: 5/12 Model: Date: 2-Mar-17 No.: RD777013 Vacuum Feed LCIT RT5100 5. Remove the grounding wires [A] (screw x1). 6. Remove the edge saddles [A] and disconnect the harness connector [B].
  • Page 68 echnical ulletin PAGE: 6/12 Model: Date: 2-Mar-17 No.: RD777013 Vacuum Feed LCIT RT5100 7. Remove the drawer connector bracket [A] (screw x3). View from the direction indicated with the arrow [B] 8. Remove the gear box [A] (screw x6). View from the direction indicated with the arrow [B]...
  • Page 69 echnical ulletin PAGE: 7/12 Model: Date: 2-Mar-17 No.: RD777013 Vacuum Feed LCIT RT5100 9. Disassemble the gear box [A] as shown below.  Divide the gear box [A] into the small sub assembly [B] and the large sub assembly [C] (screw x5, sensor x1, sensor feeler, E-ring x2).
  • Page 70 echnical ulletin PAGE: 8/12 Model: Date: 2-Mar-17 No.: RD777013 Vacuum Feed LCIT RT5100  Disassemble the small sub assembly [B] as follows. E-ring x2 E-ring x1 Screw x2 Shaft with three gears  Remove the gear assembly [D] from the small sub assembly [C] (E-ring x1).
  • Page 71 echnical ulletin PAGE: 9/12 Model: Date: 2-Mar-17 No.: RD777013 Vacuum Feed LCIT RT5100 10. Replace the bracket [A] removed in Step 9 with the new type bracket [B] (call-out [#1] in the table on page 1). NOTE: Reuse the edge saddle [C]. NOTE: The new type bracket [B] has an additional stud [D] and a bent edge [E].
  • Page 72 echnical ulletin PAGE: 10/12 Model: Date: 2-Mar-17 No.: RD777013 Vacuum Feed LCIT RT5100 11. Attach the plastic gear [A] (removed in Step 9) to the new type bracket (screw x2). 12. Attach the new bracket [A] (call-out [#2] in the table on page 1) with two screws (call- out [#4] in the table on page 2) and reattach all remaining parts removed in Step 9 (except for the shaft with three gears) to the new type bracket [B].
  • Page 73 echnical ulletin PAGE: 11/12 Model: Date: 2-Mar-17 No.: RD777013 Vacuum Feed LCIT RT5100 13. Attach the clamps [A] and gear assy [B] removed in Step 9 to the new bracket [C] (call-out [#3] in the table on page 2). 14. Attach the shaft with three gears [A] removed in Step 9 to the new bracket [B] (call- out [#3] in the table on page 2).
  • Page 74 echnical ulletin PAGE: 12/12 Model: Date: 2-Mar-17 No.: RD777013 Vacuum Feed LCIT RT5100 15. Couple the sub assembly units [A] and [B] to reassemble the gear box [C]. NOTE: Re-install the following components also:  Bearings (Install the bearings so that the flanges face outside.) ...

  • Page 75: Troubleshooting

    echnical ulletin PAGE: 1/2 Model: Date: No.: Vacuum Feed LCIT 30-Nov-17 RD777015 Subject: Prepared by: Paper Weight 1-3 misfeed / double feed from Vacuum Feed H Kawamura LCIT From: PPCS Section, CIP Product Quality Management Dept. Classification: Troubleshooting Part information Action required Mechanical Electrical...
  • Page 76 echnical ulletin PAGE: 2/2 Model: Date: No.: Vacuum Feed LCIT 30-Nov-17 RD777015 4. Upgrade the Engine firmware to version 1.24:06 or later. Note: The default setting of the paper feed position for generic paper has been changed to “High”.
  • Page 77 echnical ulletin PAGE: 1/2 Model: Date: No.: Vacuum Feed LCIT RT5100 25-Apr-19 RD777016 Subject: Prepared by: Interlock Switch & Safety Switch Cover H.K. From: 1st CP Business Department CP Business Center Troubleshooting Part information Action required Classification: Mechanical Electrical Service manual revision Paper path Transmit/receive Retrofit information...
  • Page 78 echnical ulletin PAGE: 2/2 Model: Date: No.: Vacuum Feed LCIT RT5100 25-Apr-19 RD777016 Hook Safety Switch Cover Interlock Switch Safety Switch Bracket Interlock Switch, Safety Switch Cover, and Safety Switch Bracket Cut-in S/N: TBA...
  • Page 79 echnical ulletin PAGE: 1/2 Model: Date: No.: Vacuum Feed LCIT RT5100 25-May-15 RD777017 Subject: New Idle Gear for tray bottom plate lift motor for higher durability Prepared by: J. Ohno From: Service Planning Sect., Global Engineering Support Dept. Troubleshooting Part information Action required Classification: Mechanical...
  • Page 80 echnical ulletin PAGE: 2/2 Model: Date: No.: Vacuum Feed LCIT RT5100 25-May-15 RD777017 3. Remove the tray lift drive unit. (Screw x4, Clamp x2) 4. Remove the E-type retaining ring and the two screws on the back side, to remove the gear box.
  • Page 81 Symptom SC50X-03/12, -23/32, -13/14/22 may occur (Tray error: Paper Height Middle Sensor or Lower Limit Sensor error). Note: The SC error code depends on the mainframe. Pro C9100 series: SC50X-03/12 Pro C7100 series: SC50X-23/32 Pro 8200 series: SC50X-13/14/22 Cause The paper is loaded repeatedly in the tray, causing the bottom plate to deform slightly. As a result, the intermediate remaining amount sensor moves away from the feeler and the intermediate position cannot be detected.
  • Page 82 echnical ulletin PAGE: 2/2 Model: Vacuum Feed LCIT RT5100 Date: 12-Sep-19 No.: RD777018 Paste the Mylar to the feeler. IMPORTANT:  Paste it so that it does not extend beyond the edge [a] of the feeler. The detection timing may be change, which may cause other trouble. ...

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