Ricoh FT4015 Technical Bulletin ft4015

RICOH Technical B ulletin PAGE: 1/1

Model: Kingfisher Date: 15-Apr-97

No: 1

Subject: PM Parts Yield Prepared by: M. Inohana From: QAC 1st Field Information Dept. Checked by: T. Inoue Classification:

Troubleshooting Mechanical Paper path Other ( )

Part information Electrical Transmit/receive

Action required Service manual revision Retrofit information

The yields for some PM parts have been reviewed. Please correct your PM table as follows:

PM Parts Item Current New Note

COPIER (A219) Hot Roller 45 K copies 90 K copies Pressure Roller 45 K copies 90 K copies Ozone Filter 45 K copies Clean every 45 K,

Replace every 90 K Cleaning Blade 45 K copies 90 K copies Apply Setting Powder Discharge Plate 45 K copies Clean every 45 K

copies Document Feeder (A662) (for originals) Transport Belt 24 K 80 K Clean with Belt Cleaner

Friction Belt 24 K 80 K Clean with Belt Cleaner

Vacuum Cleaner or Blower Brush

Apply Blower Brush

at Copier PM

 

RICOH Technical B ulletin PAGE: 1/1

Model: Kingfisher Date: 15-Apr-97

No: 2

Subject: 1st Scanner Reinstallation Notice Prepared by: M. Inohana From: QAC 1st Field Information Dept. Checked by: T. Inoue Classification:

Troubleshooting Mechanical Paper path Other ( )

Part information Electrical Transmit/receive

Action required Service manual revision Retrofit information

The following information was not mentioned in the service manual.

When reinstalling the 1st scanner, make sure to do the procedure described below. If it is not performed, the scanner harness may fall from the 2nd scanner pulley, causing a scanner lock condition.

NOTE: Clamp the scanner harness [A] at the position shown. The white paint mark [B]

should be aligned with the right side of the harness clamp [C].

RICOH Technical B ulletin PAGE: 1/1

Model: Kingfisher Date: 30-Apr-97

No: 3

Subject: SC Code #14 Prepared by : M.Inohana From: QAC 1st Field Information Dept. Checked by: T. Inoue Classification:

Troubleshooting Mechanical Paper path Other ( )

Part information Electrical Transmit/receive

Action required Service manual revision Retrofit information

The following description should be added to the “SERVICE CALL CONDITIONS” in the Service Manual.

CODE #14 - ZERO CROSS SIGNAL ERROR 2

Definition

The detected current is not 50 or 60 Hz.

Possible Causes

• Defective main control board

• Defective ac drive/dc power supply board

• Zero cross line open

• CN101 on the main control board or CN207 on the ac drive/dc power supply board

is not correctly connected.

• Power line not stable

* Remedy for the initial production machines

• Turn the main switch off and on.

RICOH Technical Bulletin PAGE: 1/1

Model: Kingfisher Date: 30-May-97

No: 4

Subject: Service Manual Revision Prepared by: M. Inohana From: QAC 1st Field Information Dept. Checked by: T. Inoue Classification:

Troubleshooting Mechanical Paper path Other ( )

Part information Electrical Transmit/receive

Action required Service manual revision Retrofit information

1. Please correct your Service Manual as follows:

Page 4-20

Mode No. Function Settings

Auto Shut Off Selects the “Automatic Shut off” mode. 0: Yes

77 (Energy Star)

On/Off

The copier automatically shuts itself off at the auto shut off time selected (SP14).

1: No

↓↓

Mode No. Function Settings

Auto Shut Off Selects the “Automatic Shut off” mode. 120V Machines (Energy Star)

On/Off

The copier automatically shuts itself off at the auto shut off time selected (SP14).

0: Yes

1:No 230V Machines 0: Yes

1: No

2. The following description should be added to the “SERVICE CALL CONDITIONS” in the Service Manual.

CODE #96 - MAIN SWITCH ERROR

Definition

The machine does not turn off within 8.5 seconds after Auto Shut Off is performed.

Possible Causes

• Defective main switch.

• Connectors of the main switch are not correctly connected.

• Poor connection of the DC Harness of the main switch (some lines must be cut)

* Remedy for the initial production machines

• Turn the main switch off and on.

RICOH Technical Bulletin PAGE: 1/3

Model: Kingfisher Date: 31-Jul-97 Subject: Troubleshooting of copy quality problems Prepared by: M.Inohana From: QAC 1st Field Information Dept. Classification:

This explains how to troubleshoot copy quality problems at machine installation. Problems may arise during machine transportation. Use the following countermeasures when problems occur in the field.

Troubleshooting Mechanical Paper path Other ( )

Part information Electrical Transmit/receive

Action required Service manual revision Retrofit information

No: 5

Problems

1. The 1st Scanner is deformed or bent.

2. The 1st Scanner does not stay at the proper home position.

3. The Lens Unit moves to the wrong position and/or the lens locks and/or the lens does not return to the home position.

4. Black copy or black band in the trailing area of copies. (Cause: 3rd or 4th mirror moves to the wrong position )

5. Out of focus or poor sharpness on copies. (Cause: 6th mirror angle in the wrong position )

6. Dirty background at the left side of copies. (Cause: Abnormal condition of the optics unit and/or deformed main body )

Countermeasure for Transportation Damage at the Factory

1. 1st Scanner deformed or bent: Clamps will be added to the 1st Scanner

(from the August ’97 production machines onward).

2. The Lens Unit moves to the wrong position: A Lens Unit securing pin has been added

(from the end of July ’97 production machines onward).

3. The 3rd/4th Mirror moves to the wrong position: Double-sided tape has been added to

the back of the mirror and clamp area (from the end of May ’97 production machines onward).

4. The 6th mirror angle varies: After adjustment of the angle, a screw lock has been

applied (from the end of May ’97 production machines onward).

5. Damage during transportation: 1 machine per pallet

(from the May ’97 production machines onward).

RICOH Technical Bulletin PAGE: 2/3

Fig.1

Fig.2

Model: Kingfisher Date: 31-Jul-97

No: 5

Action required in the field

For the machines which cannot be treated as described above, the following action is required.

1) 1st Scanner deformed or bent

1st Scanner

Cause : The front of the 1st Scanner is bent towards the right (Fig.1). Action : Adjust the 1st scanner position (angle) as shown on page 6-7 of the Service

Manual (Fig.2).

2) Lens Unit moves to the wrong position, Lens Mylar out of position, Lens Unit locks.

Lens Mylar

Guide Rail

Fig.3

Fig.4

RICOH Technical Bulletin PAGE: 3/3

4th Mirror

Model: kingfisher Date: 31-Jul-97

3). Black copy or black band at the trailing area of copies.

GOOD

3rd Mirror

Fig.5

Cause : Incorrect positioning of the 3rd/4th mirrors (Fig.5,6) Action : Re-position the 3rd/4th mirrors.

No: 5

GOOD

Fig.6

4) Out of focus or poor sharpness on copies.

Adjustment Screw

Fig.7

Cause : The adjustment screw for the 6th mirror has loosened, resulting in an incorrect mirror angle.

Action : (Fig.7)

1. Mark the original position of the adjustment screw.

2. Turn the adjustment screw clockwise approximately 45 degrees.

3. Check the copy quality.

4. Repeat steps 2 and 3 until the copy quality becomes satisfactory.

RICOH Technical Bulletin PAGE: 1/2

Model: Kingfisher Date: 31-Jul-97 Subject: Peeling off of the Mylar Blade Prepared by: M. Inohana From: QAC 2nd Field Information Dept. Classification:

Troubleshooting Mechanical Paper path Other ( )

Part information Electrical Transmit/receive

Action required Service manual revision Retrofit information

No: 6

SYMPTOM:

1. Image density decreases

2. The toner end indicator turns on when not in a toner end condition

CAUSE:

The mylar blades peel off, resulting in toner not being supplied properly. Then toner in the development unit gets low even if there is toner in the bottle.

Mylar Blade

Action required:

1) Remove the toner bottle holder unit from the machine.

2) Remove the toner bottle cover [14] from the toner supply unit case [9]

3) Remove the Mylar Blades [15] which are peeling off.

4) Clean the area where the mylar blades should be attached.

5) Attach new mylar blades to the original position.

RICOH Technical Bulletin PAGE: 2/2

Model: Kingfisher Date: 31-Jul-97

Countermeasure at the factory:

The following improvement has been applied to the May’97 production machines onward.

1) Clean and remove oily material at the area where the mylar blade should be attached.

2) Attach the mylar blade by pressing evenly.

No: 6

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