Ricoh LCIT RT5030 Service manual

T echnical B ulletin PAGE: 1/2
Model: LCIT RT5030 (D452 ) Date: 21-Aug-09 No.: RD452001
Subject: Service Manual Correction: CIS Image
Position Adjustment
Prepared by: M. Abe
From: PPMC Service Planning Department 1G
Classification:
Troubleshooting
Mechanical
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Please apply the following 2 corrections concerning the CIS Image Position Adjustment to
your service manual.
Location of the Incorrect Description 1
Replacement and Adjustment > Adjustment > Adjusting Image Position Sensor Strength
and Side-To-Side Registration; step 6
Incorrect Description 1
Do SP1909 -2 (CIS Image Position Adjustment: PWM After Adjustment - LCIT).
•If the displayed value is between 10 (Ah) and 40 (28h), the CIS is calibrated
successfully. (The display is in hexadecimal code.)
•If the value is outside this range, do SP 1910 -2 and 1909 -2 again. If the value
does not come between 20 and 40, the CIS may be defective.
Correction
Do SP1909 -2 (CIS Image Position Adjustment: PWM After Adjustment - LCIT).
•If the displayed value is between Ah (10) and 28h (40),the CIS is calibrated
successfully. (The display is in hexadecimal code.)
•If the value is outside this range, do SP 1910 -2 and 1909 -2 again. If the value
does not come between Ah and 28h, the CIS may be defective.
NOTE: Value is displayed in hexadecimal code on the operation panel. Values shown in
brackets are decimal code for reference.

T echnical B ulletin PAGE: 2/2
Model: LCIT RT5030 (D452 ) Date: 21-Aug-09 No.: RD452001
Location of the Incorrect Description 2
Replacement and Adjustment > Adjustment > Adjusting Image Position Sensor Strength
and Side-To-Side Registration; step 11
Incorrect Description 2
Exit from SP 1911 and return to the SP mode menu.
Correction
Exit from [User Tools] > [Adjust Settings for Operators] and return to the SP
mode menu.

Technical Bulletin PAGE: 1/1
Model: LCIT RT5030 (D452) Date: 14-Dec-10 No.: RD452002
D
Subject: New P/N for Tray Indication Decals Prepared by: K. Tsutsui
From: PP Service Planning Department 1G
Classification: Troubleshooting
Mechanical
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Change: Three separate tray indication decals for trays 4, 5, & 6 have been combined.
Reason: To reduce production cost
Old P/N New P/N Description Q’ty Int Page Index
D4521312 DECAL:PAPER TRAY:4 1 0/0 2 23
D4521313 DECAL:PAPER TRAY:5 1 0/0 2 24
D4521314 DECAL:PAPER TRAY:6 1 0/0 2 25
D4521310 DECAL:PAPER TRAY:LCT 1 0/0 2 26

Technical Bulletin PAGE: 1/2
Model: LCIT RT5030 (D452) Date: 23-Jan-12 No.: RD452003
Subject: Part Changes; Handle assembly and Shoe Prepared by: A. Takada
From: PP Tech Service Dept., 1st PP Tech Service Sect.
Classification: Troubleshooting
Mechanical
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Change: Shape of the Handle assembly and Shoe
Reason: To enable usage of common parts with different products
Changed parts
A：Shoe: Handle: Release
Shape of the Shoe was partially modified.
B：Handle: Ass’y
Handle was also modified in accordance with the shape change of the Shoe.
(Shape of the plate was also modified.)

Technical Bulletin PAGE: 2/2
Model: LCIT RT5030 (D452) Date: 23-Jan-12 No.: RD452003
Model: LCT RT5030 (D452)
Old Part
Number New Part Number Description Q’ty Int Page Index Note
D3553844 D5163847 Shoe:Handle:Release 4 X/O 31 22 -
・ The modification described in this bulletin also applies to LCT RT5040 (D453).

T echnical B ulletin PAGE: 1/4
Model: LCIT RT5030 (D452) Date: 11-May-12 No.: RD452004
Subject: Newly registered base plate Prepared by: A. Takada
From: PP Tech Service Dept., 1st PP Tech Service Sect.
Classification:
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Change: The Tray Base Plate was added as a service part.
Reason: To meet requests received from the field.
Old Part
Number New Part Number Description Q’ty Int Page Index Note
- B8322830 RISING UNIT:TRAY:1K:ASS'Y 1 - 16 26 Add
[Note]
The Ass'y consists of the following parts:
P/N Description Page Index Q'ty
- BASE:PAPER TRAY - - 1
A6672656 Friction Pad 1 16 1 1
B5112439 Bracket : Paper Tray : Front 1 16 3 1
B5112438 Bracket : Paper Tray : Rear 1 16 4 1
B5112737 Weight Plate 16 5 1
04504014N Tapping Screw:4x14 16 101 6

T echnical B ulletin PAGE: 2/4
Model: LCIT RT5030 (D452) Date: 11-May-12 No.: RD452004
Replacement procedure
1. Pull out and remove the tray by referring to the procedure in the service manual.
2. Remove the Tray Front Cover. (Screw x4)
3. Remove the Handle Unit. (Screw x4)
IMPORTANT
The screws fixing the Handle Unit also adjust the side-to-side registration. If the
screws are in a specific position, note that position and make sure the screws are
fastened in the same position when reassembling the unit.

T echnical B ulletin PAGE: 3/4
Model: LCIT RT5030 (D452) Date: 11-May-12 No.: RD452004
4. Remove the Cover Tray and the Grip Paper Tray Unit.
5. Remove the Stay (bottom).

T echnical B ulletin PAGE: 4/4
Model: LCIT RT5030 (D452) Date: 11-May-12 No.: RD452004
6. Remove the Base Plate Fixing Screws (x4) and the Bushings (x4).
7. Remove the Base Plate.
NOTE: For the Bottom Tray 6, also remove the Stopper Belt.
8. Replace with the new Base Plate ( B8322830 RISING UNIT:TRAY:1K:ASS'Y ).
NOTE 1: Make sure the Base Plate is positioned to the lowest position.
NOTE 2: For the Bottom Tray 6, work carefully to prevent the Stopper Belt from
twisting.
9. To check if the Base Plate is level, lift up the Base Plate with your hands to the highest
position so that the surface aligns with the top edge of the guide plate (+/- 1mm).
10. Follow the steps in reverse order to complete the procedure.

Technical Bulletin PAGE: 1/3
Model: LCIT RT4000 (D350) / RT5040 (D453) / RT5060
(D516) / RT5030 (D452) Date: 2-Jul-13 No.: RD453008
Subject: Broken Casters on LCIT Prepared by: S. Sasaki
From: 1st PP Tech Service Sec., PP Tech Service Dept.
Classification: Troubleshooting
Mechanical
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Symptom
Broken caster on the following LCITs:
RT4000 (D350), RT5040 (D453), RT5060 (D516), RT5030 (D452)
Cause
One lot of casters was manufactured with an incorrect molding process, resulting in lower
durability.
Occurrence Rate
Extremely Low
Among 118 affected casters, 2.8% (= approx 3 pcs) may break according to factory test
results.
Action
Replace the caster (p/n: AH012050) when a unit with a broken caster is found.
See the following page for the replacement procedure.