Ricoh A083 Technical Bulletin FT8880

Technical Bulletin No. RTB-001

SUBJECT: Duplex Jams

- Jogger Home Position Sensor Adjustment

- Jogger Drive Belt Tension Adjustment

PREPARED BY: H.Terashita CHECKED BY:

CLASSIFICATION:

Action Required Troubleshooting Retrofit Information

Since we have received field reports concerning the duplex misfeed problems, we have revised the jogger unit adjustments as a troubleshooting guide.

SYPMTOM:

Paper jams in the duplex unit. K, F, and G jams.

Revision of service manual Information only Other

FROM: Copier Technical Support Section

MODEL: F200 Type X/Y

DATE: July 15, ’92 PAGE: 1 of 3

CAUSE:

The distance between the jogger fences of the duplex unit is smaller than the paper width. This gives excess load to the paper stack in the jogger unit and causes paper misfeeds. The followings are possible causes:

1. Paper size is slightly larger than the standard size.

2. Improper jogger home position adjustment.

3. Improper jogger drive belt tension.

ACTION:

If the paper size is not the standard size, the procedure described in the manual would not give the correct jogger fence positions. Please use the following adjustment procedure for the jogger home position sensor in the field. The tension spring for the jogger drive timing belt has not been implemented to any mass-production units, so please change your manual for the jogger drive belt adjustment as follows:

Technical Bulletin No. RTB-001

SUBJECT: Duplex Jams

- Jogger Home Position Sensor Adjustment

- Jogger Drive Belt Tension Adjustment

A. Jogger Home Position Sensor Adjustment

Please refer to the service manual page 5-105.

DATE: July 15, ’92 PAGE:2 of 3

[B]

[A]

1. Select a duplex mode and feed a copy paper to the duplex unit.

2. Check the jogger fence position in the duplex unit and measure the gap [B] between the fence and paper edge.

3. Remove the duplex unit cover (4 screws).

4. If the gap [B] is small and the fences are pressing the paper, shift the jogger home position sensor bracket [A] to the front (loosen 1 screw).

5. If the gap [B] is wide and skew occurs in duplex mode, shift the sensor bracket to the rear.

6. Repeat steps 1 thru 4 unitil the gap [B] is between 0 and 1mm.

Technical Bulletin No. RTB-001

SUBJECT: Duplex Jams

- Jogger Home Position Sensor Adjustment

- Jogger Drive Belt Tension Adjustment

B. Jogger Drive Belt Tension Adjustment

Please refer to the service manual page 5-108.

[B]

DATE: July 15, ’92 PAGE: 3 of 3

[D]

[A]

[C]

1. Remove the duplex unit and the duplex cover (4 screws).

2. Turn over the duplex unit as shown.

3. Unhook the sensor harness [A] clamped on the bottom plate [B].

4. Remove the bottom plate [B] (2 screws and 2 hooks).

5. Move the jogger fences to the most inward positions manually.

6. Loosen two screws [C] for the pulley bracket.

7. Press the pulley shaft [D] using a tension gauge as shown.

8. Tighten the screws [C] when the tension gauge shows between 110 and 140g.

NOTE: If the drive belt tension is higher than the above values, the jogger drive

motor control might step-out due to the excess load.

Im!xml

Technical Bulletin

No.

RTB-002

SUBJECT: Inverter Unit Jams (“l” area misfeed)

PREPARED CHECKED BY:

CLASSIFICATION:

❑ Action Required

■ Troubleshooting ❑ Retrofit Information

SYMPTOM:

“l” area misfeeds occur. Misfed paper is observed in the inverter unit.

This problem occurs especially with thick

CAUSE:

Since the larger feed force is required to feed the thick paper inversion, if the pressure of

the return pinch roller in the inverter unit is Io

BY:

#---

FROM: Copier Technical Support Section

❑ Revision of service manual ❑ Information only ❑ Other

paper

and small

rnisfeeds may

size paper (A5, 51/2 x 81/2).

MODEL: F200 Type X/Y

occur in the inverter section.

DATE: PAGE: 1 of 2

July 15, ’92

ACTIONS: Check the return pinch roller pressure according to the following procedure.

Technical Bulletin No. RTB-002

SUBJECT: Inverter Unit Jams ("I" area misfeed) DATE: July 15, ’92

PAGE: 2 of 2

5. If the pressure is low, remove the pinch roller bracket [F] (2 screws) and remove the cushions [G] for the pinch roller bracket.

CAUTION:

The pinch roller pressure can be adjusted by changing the pinch solenoid position, however, we cannot recommend doing this for this problem for the following reason.

[J] [H]

[G]

[F]

[I]

Since the stopper [H] for the inverter unit lock lever [I] and the solenoid bracket [J] are one part, if you move the solenoid bracket position, the lock lever home position would also be changed. This would make it possible to set the lock lever [I] in the wrong position (left of the pin [K]) when the inverter unit is closed.

[K]

OK NG

[K]

Rll(mMl

Technical Bulletin

No.

RTB-003

SUBJECT: Duplex Jams (F Area)

PREPARED BY: H.

CLASSIFICATION:

❑

Action Required

■

Troubleshooting

❑

Retrofit Information

SYMPTOM: Jams occur in the duplex unit (“F” area Jams). CAUSE:

Due to static electricity of fed paper, the sheets stick to each other and cause jams in the duplex tray.

COUNTERMEASURES:

Terash”

❑

Revision of service manual

❑

Information only

❑

Other

FROM: Copier Technical Support Section

MODEL: F200 Type X/Y

DATE: PAGE: 1 of 2

July

22, ’92

The material of the anti-static brushes in the duplex unit has been changed from stainless

steel to amorphous fiber which has high anti-static characteristic. They are applied from the following productions:

F200 Type Y (A084) : June 1992 productions onward. F200 Type X

Modification details will be announced by a later MB.

In the field:

If you have this type of jam, please follow the procedure below:

1. Slide out the duplex unit.

2. Open the duplex fork gate unit as

shown.

3. Remove the old anti-static brush

[A] with the grounding plate [B] (2 screws).

4. Install the new anti-static brush [C]

(P/N AA1 20061 ) with the grounding plate [B] (2 screws),

(A083) : May 1992 productions onward.

[A]

NOTE:

. Make sure the brush holder is

neath the gate

. Make sure the grounding plate po

as shown.

pawls

as shown.

I{ouml

Technical Bulletin No.

RTB-003

SUBJECT: Duplex Jams (F Area)

5. Remove the old brushes

[E] (2 screws each).

6. Install the new brush [F]

AA120062) so that the aluminum seal [G] faces the bracket.

[D] and

(P/N

DATE: PAGE: 2 of 2

July

31, ’92

I{m(mil

Technical Bulletin

No.

RTB-004

SUBJECT: Drum damage by adhered toner on the development

sleeve

PREPARED BY:

CHECKED CLASSIFICATION:

❑ Action Required

■ Troubleshooting ❑ Retrofit Information

SYMPTOM: Toner adheres on the surface of the lower development sleeve (about 18mm from the front end) and it makes scratches on the drum. This shows black lines on the copy image.

CAUSE:

The cross mixing system mixes the

developer in the development unit. The mixing vane [A] transports developer to the

rear and the auger [B] transports it to the front. The development motor turns at slower

speed after image development to remove the developer on the development sleeves. This operation reduces developer to the

mixing vane, however, the auger continues turning and transports developer to the

front side of the development unit. This in-

creases developer amount at the paddle

roller front side area [C].

This uneven developer condition will normally be eliminated by the next copy cycle. However, if copies are frequently made

one to each original, frequent slow down operation continues to increase the

developer at the front side. The accumulated developer at the front side is brought

to the lower development sleeve and pack-

ed between the sleeve and the drum. This large amount of developer makes friction heat. Then, it melts and adheres toner on

the sleeve. Finally, accumulated adhered toner on the sleeve damages the drum.

H. Terashita

BY=,~+==

FROM: Copier Technical Support Section

❑ Revision of service manual ❑ Information only ❑ Other

[B]

MODEL: F200 Type X/Y

[A]

DATE:

PAGE:

July 31, ’92

of 2

Kmxml

Technical Bulletin

No.

RTB-004

SUBJECT: Drum damage by adhered toner on the development

sleeve

The toner adhesion occurs at about 30mm from the front end of the unit (18mm from the sleeve end) for the following reasons:

1. The end of the auger guide [D] is located at about 30mm from the unit front end.

2. There is a peak of the magnetic force field of the lower sleeve located at that point.

COUNTERMEASURE:

To disperse the fallen developer from the auger guide, the guide has been cut as shown. This modification has been applied from July ’92 productions.

The auger guide cannot be replaced in the field. This is because the guide is fixed on the doctor blade. The following develop-

ment units are available as service parts,

DATE: July 31, ’92

PAGE: 1 of 2

[D]

A0843010RICOH(-17) A0843016 A0843012 A0843014 HCS (-26) NRG (-22/25)

NOTE:

When you replace the damaged drum, the cleaning blade, which may be damaged by the

drum, should also be replaced at the same time,

RICOH

SAVIN

(-27)

(-15) NRG (-1 0/16)

NKmMl

Technical Bulletin

No.

RTB-005

SUBJECT: EPROM Software History

PREPARED BY: H. Terashita

CHECKED CLASSIFICATION

BY:~~.&?

❑ Action Required ❑ Troubleshooting ❑ Retrofit Information

This bulletin informs the

A084 5111/5112

A084 5131/5132

Suffix

Cut-in production

Mar. ’92

April ’92

May ’92

June ’92

July ’92

EPROM

(2Mbit (2Mbit

❑ Revision of service manual

■ Information only ❑ Other

history of the main PCB for the model F200 type Y.

: Inch Version) : Metric Version)

Changed items/Changed reasons

- The 2nd job in the preset mode could not use the stapling function whenever the first job used stapling.

- The “Add Paper” indication did not disappear even if the operator selected a different tray. This occurred only in Cover/Slip sheet mode.

- If a CF had an odd number of pages, in 1 sided original to 2 sided copy mode, the last copy was not fed out automatically.

- The auto-staple function was not working in CFF mode.

- The cover sheet mode was not working in CFF mode.

- You could not exit from the SP mode if you stopped the free run mode by touching the RESET key on the CRT.

- Eliminates SC 514,515,516,790,791, and 792 from the SP data print out.

- Resets the Auto Drum Current Adjustment Mode and SC Off Mode automatically whenever exiting from the SP mode.

- The copy quantity limit for sort mode was larger by 1 copy than it should have been.

- The function is added.

- Modifications on the RDS functions.

- This suffix EPROM handles data differently in SP mode

(see NOTE on the next page).

- Auto magnification change did not function when the CF original size is selected in Cover/Slip Sheet mode.

- This EPROM corrects the data handling problem that arose with the suffix D EPROM.

Savin/HCS

DATE: PAGE: 1 of 2

FROM: Copier Technical Support Section

MODEL: F200 Type Y

—

serial number code (initial digits) print

July 31, ’92

Kmm)ll+l

Technical Bulletin

No. RTB-005

SUBJECT: EPROM Software History

NOTE:

Only suffix D EPROMs have the following SP data handling:

1. Sensor output data (SP #7)

2. Setting of the ADF SP mode. You have to exit the

A084 5121/5122 (512Kbit)

Suffix

Cut-in production

May ’92

June ’92

July

’92

and CFF

does not change during copy cycle.

registration adjustments can be changed only once in the

mode before the next setting change on the CRT.

Changed items/Change reasons

- Optimizes actual toner supply amount.

- Enables the Clear/Stop key function in mode.

- Changes the sorter by-pass tray drive timing in the paper exit mode from the duplex tray.

- Corrects malfunctions in the SC off mode.

—

DATE:

PAGE: 2 of 2

ADF/CFF

July 31, ’92

free run

CAUTION:

When you make any

reading speed of the

Reading speed of the EPROMs must be faster than

2Mbit EPROM :

Mbit EPROM :

512Kbit

Most of the EPROM have their reading speed indicated

Example)

EPROM :

copy of the EPROMs of this model, please take care about the

EPROMs as follows:

<150

<120

µ PD27C2001D-15 (Reading Speed =

the values below:

on them.

150 ns)

Technical Bulletin No. RTB-006

SUBJECT: Low Temperature Idling Mode (230V version only) DATE: Sept. 15, ’92

PAGE: 1 of 3

PREPARED BY: H.Terashita CHECKED BY:

CLASSIFICATION:

Action Required

Troubleshooting

Retrofit Information

A capability limitation of the F200 is that, due to the limitation of the power to the copier, it has a low temperature idling mode. To minimize the occurrence of the idling time, the following modifications have been applied.

1. Fusing Lamps

To increase the fusing heat output during the copy cycle, the fusing lamp of 950W, which is used during the copy cycle, has been changed to 1000W. The other lamp (720W) was also changed to 670W to keep the total power consumption the same as before. This is because all the ac components, such as the transformer and circuit breaker, are designed for a total power of 1670W (1000+670W).

Revision of service manual Information only Other

FROM: Copier Technical Support Section

MODEL: F200 X/Y

(230V version only)

To distinguish the old and new lamps, a white tube has been added to the front lead wire (black) of the fusing lamp (see figure).

White Tube

Connector White : 670W Red : 1000W

The new lamps have been implemented to the production machines as follows:

F200 Type X (A083) : August ’92 productions onward F200 Type Y (A084) : September ’92 productions onward

Front Lead Wire (Black)

Technical Bulletin No. RTB-006

SUBJECT: Low Temperature Idling Mode (230V version only) DATE: Sept. 15, ’92

PAGE: 2 of 3

2. Software

To continue the copy run in low fusing temperature conditions as long as possible, the software has been changed to lower the copy speed when the fusing temperature drops to a certain temperature. The copy speed is decreased by approximately 25% when the fusing temperature drops below the lower limit temperature which is determined by the SP and User Tool settings (see manual page 2- 96). For example, for the default settings, the slow-down copy cycle will start when the temperature drops below 169°C. Once the machine shifts to the slow-down copy mode, the mode is kept until the copy job is finished even if the fusing temperature is recovered during the copy job. Even if the slow-down mode is applied, the fusing temperature may drop in certain conditions, such as A3 continuous copy run. A lower limit safety temperature has been newly added to stop the copy run and to avoid any poor fusing problems when the temperature drops below it. The lower limit safety temperature is lower than the lower limit temperature by 5°C (164°C at default settings).

The following chart shows an ideal fusing temperature change in continuous copy run with this new software.

Fusing Temp. °C

Lower Limit Temperature

Start

Slow down

Min.

Stop

Technical Bulletin No. RTB-006

SUBJECT: Low Temperature Idling Mode (230V version only) DATE: Sept. 15, ’92

PAGE: 3 of 3

The slow-down mode software has been applied to the following EPROMs on the main PCB:

Type X : From August ’92 productions onward

A083 5131C A083 5132C A083 5121C A083 5122C

Type Y : From August ’92 productions onward

A084 5131F A084 5132F A084 5121F A084 5122F

There is no relationship between the new fusing lamps and the new software. You can use the new EPROMs on the old machine without changing the fusing lamps and vice versa.

CAUTION:

The fusing lamps must be replaced as a set. If only the high output lamp is replaced to 1000W and old 720W lamp remains unchanged, the total current exceeds the rated values of the ac components and may, in the worst case, cause damage and fire.

Technical Bulletin No. RTB-007

SUBJECT: EPROM Software History DATE: Sept. 15, ’92

PAGE: 1 of 3

PREPARED BY: H.Terashita CHECKED BY:

CLASSIFICATION:

Action Required

Troubleshooting

Retrofit Information

This bulletin describes the EPROM history of the main PCB for the model F200 type X.

1. Operation Unit EPROMs

A083 5251/5252 (1Mbit : Inch Version) A083 5256/5257 (1Mbit : Metric Version)

Suffix Cut-in production Changed items/Changed reasons

A July ’92 - Spelling mistake corrections

Revision of service manual Information only Other

- The "side to side registration adjustment", which is only for the type Y, has been removed from the SP mode 9 page 3.

- Inhibit to enter "2" for the paper designate page data in; Single sided original duplex, Cover sheet, and Paper designate modes when "Copy onto cover sheet" is set in the User Tool.

- Enable canceling the Staple mode automatically in staple inhibit modes, such as single feed and platen copy modes.

FROM: Copier Technical Support Section

MODEL: F200 Type X

CAUTION:

There are some EPROMs which are not compatible to those used on the F200 even if the memory size is the same (1Mbit). The following EPROMs are used on the F200.

Mitsubishi M5M27C101K-15 AMD Am27C010-155DC Intel D27C010-150V10

Technical Bulletin No. RTB-007

SUBJECT: EPROM Software History DATE: Sept. 15, ’92

PAGE: 2 of 3

2. Main PCB

A083 5111/5112 (2Mbit : Inch Version) A083 5131/5132 (2Mbit : Metric Version)

* Suffix A has been applied from the 1st mass-production.

Suffix Cut-in production Changed items/Changed reasons

B July ’92 - The RDH motor remained on when the front door

was opened and closed during the original number counting mode.

- Start key stayed red when CFF, both cover sheet and copy onto cover sheet modes were selected.

- A single feed original in interrupt mode was not fed out when the interrupt mode was canceled.

- P2 jam occurred when; Original=11x17, Paper=81/2x11, Full size, Stack, and copy quantity=2

C Aug. ’92 - Optimize the side erase amount.

- RDH fan motor remained on if the SC and Jam, or SC and door open happened at the same time.

- An incorrect message was displayed when the start key was pressed in platen or single feed mode with stapling.

- When originals were set in the RDH and the start key was pressed after stopping single feed copying, an RDH jam occurred after the single feed original was fed out.

- When the single feed mode copy was made with originals in the RDH, if the start key was pressed just when the start key turned green, the copying would not stop until the Stop key was pressed.

- Enable transfering an old user code counter data to a new one when the user code change function in the User Tool is used.

- Software change related to the low temperature idling mode (metric version only).

Technical Bulletin No. RTB-007

SUBJECT: EPROM Software History DATE: Sept. 15, ’92

PAGE: 3 of 3

A083 5121/5122 (512Kbit)

Suffix Cut-in production Changed items/Changed reasons

B July ’92 - To adjust the ROM addresses to meet the 2Mbit

ROMs suffix B.

C Aug. ’92 - The junction gate solenoid in the inverter unit stays

on after face down and duplex copying. If the solenoid check in SP mode is performed at this time, the wrong error code would be displayed. To prevent this, the software has been changed to de-energize the solenoid when the main motor is stopped.

- The sensor check in the SP mode is performed by checking the sensor output while the sensor power is turned on and off. The sensors which are connected to the interface PCB, the tray upper and lower limit, paper end, paper exit, and toner cartridge sensors, were scanned by scan pulse signals from the main PCB. Since the scan pulse signals are used for both power and output signal for these sensors, the sensor check does not work correctly (see figure). So, the sensor check for these sensors has been changed to enable only for ON check.

- The paper end sensor check has been changed to enable only when the paper exists in the tray.

- The condition of the paper tray upper and lower limit sensor check has been changed so that both are on or off at the same time. Both sensor numbers will be indicated under these conditions.

+12V

Sensor

+12V

Scan

Output

Interface PCB

Technical Bulletin No. RTB-008

SUBJECT: EPROM Software History DATE: Sept. 15, ’92

PAGE: 1 of 3

PREPARED BY: H.Terashita CHECKED BY:

CLASSIFICATION:

Action Required

Troubleshooting

Retrofit Information

This bulletin describes the EPROM history of the main PCB for the model F200 type Y.

1. Operation Unit EPROMs

A084 5251/5252 (1Mbit : Inch Version) A084 5256/5257 (1Mbit : Metric Version)

* Suffix A has been used from the 1st mass-productions.

Suffix Cut-in production Changed items/Changed reasons

B May ’92 - Spelling mistake corrections.

C June ’92 - Spelling mistake corrections. (Inch version only)

Revision of service manual Information only Other

- Reproduction priority settings have been changed. 77% -> 74%, 85% -> 77% (Inch version only)

FROM: Copier Technical Support Section

MODEL: F200 Type Y

CAUTION:

There are some EPROMs which are not compatible to those used on the F200 even if the memory size is the same (1Mbit). The following EPROMs are used on the F200.

Mitsubishi M5M27C101K-15 AMD Am27C010-155DC Intel D27C010-150V10

Technical Bulletin No. RTB-008

SUBJECT: EPROM Software History DATE: Sept. 15, ’92

PAGE: 2 of 3

2. Main PCB

A084 5111/5112 (2Mbit : Inch Version) A084 5131/5132 (2Mbit : Metric Version)

Suffix Cut-in production Changed items/Changed reasons

F Aug. ’92 - Optimize the side erase amount.

- Enable APS and AR/E functions with 11"x147/8"

originals.

- Enable transfering the old user code counter data to

a new one when the user code change function is used.

- Correct mis-indication of the paper end when the slip

sheet runs out in the slip/paper designate modes.

- Software changes related to the low temperature

idling mode (metric version only).

A084 5121/5122 (512Kbit)

Suffix Cut-in production Changed items/Changed reasons

F Aug. ’92 - The junction gate solenoid in the inverter unit stayed

on after face down and duplex copying. If the solenoid check in SP mode was performed at this time, the wrong error code would be displayed. To prevent this, the software has been changed to de-energize the solenoid when the main motor is stopped.

- The sensor check in the SP mode was performed by

checking the sensor output while the sensor power was turned on and off. The sensors connected to the interface PCB, the tray upper and lower limit, paper end, paper exit, and toner cartridge sensors, were scanned by scan pulse signals from the main PCB. Since the scan pulse signals were used for both power and output signal for these sensors, the sensor check did not work correctly (see the figure on the next page). So, the sensor check for these sensors has been changed to enable only for ON check.

- The paper end sensor check has been changed to

enable only when the paper exists in the tray. (continued)

Technical Bulletin No. RTB-008

SUBJECT: EPROM Software History DATE:

Sept. 15, ’92 PAGE: 3 of 3

Suffix Cut-in production Changed items/Changed reasons

F Aug. ’92 - The condition of the paper tray upper and lower limit

sensor check has been changed so that both are on or off at the same time. Both sensor numbers will be indicated under these conditions.

- If an SC condition had occurred while the 2nd tray

was lowering, the tray would not move up again after the SC reset.

- Enable the 7% fixed toner supply function when the

Vsg adjustment in the process control data initialization fails.

+12V

Sensor

+12V

Scan

Output

Interface PCB

Icn(mll

Technical Bulletin

No.

RTB-009

SUBJECT: Fusing Temperature Adjustment

PREPARED BY: H.

CLASSIFICATION:

❑ Action Required ❑ Troubleshooting

Terashita

—

■ Revision of service manual ❑ Information only

DATE: PAGE: 1 of 2

FROM: Copier Technical Support Section

MODEL: F200 X/Y

NOV.

30, ’92

❑ Retrofit Information ❑ Other

The fusing temperature display in SP mode of the F200 is different from that of the

previous models, such as those of the F20 series. This bulletin explains the temperature

display system of the F200 and revises the fusing temperature adjustment procedure.

1. Fusing Temperature Display and the Fusing Temperature Adjustment in SP mode

The displayed figure is calculated using the thermistor resistance and will not be affected

by the setting of the fusing temperature adjustment in SP mode. The main PCB has a table to convert the thermistor resistance into a temperature figure. The main PCB, then controls the fusing lamps according to the calculated figure, so that the lamps are turned on at 195°C and off at 198°C. The actual hot roller temperature is not the same as the temperature measured with the

machine’s thermistor because of the tolerance of the thermistor. Therefore, the fusing lamp on/off temperature is compensated machine by the machine. This compensation is done

by changing the setting of the SP mode “Fusing Temperature Adjustment”, The displayed figure is not the actual temperature, at the time the compensation is applied.

2. Fusing Temperature Adjustment Please refer to the service manual page 5-94,

Add the following:

Adjustment Target :195 ± 1 °C

NOTE: The fusing temperature adjustment is only necessary when you have

replaced the fusing thermistor.

Iul(mlxl

Technical Bulletin

No.

RTB-009

SUBJECT: Fusing Temperature Adjustment

Correct the steps from step 9

9. Using a digital thermometer and probe, measure the temperature at the middle of the hot roller when the lamp is turned

10. If the measured temperature is out of the adjustment range, change the setting of the fusing temperature in SP mode (9).

NOTE: Use + to lower the

11. Repeat steps 9 to 10 and

12. Reassemble the parts.

NOTE: When assembling the

connectors are set to

as follows:

on.

temperature.

confirm the lamp on temperature,

safety switch harness connectors, make sure the the correct position.

DATE: Nov. 30, ’92 PAGE: 2 of 2

I{m(ml

Technical Bulletin No. RTB-010

SUBJECT: Duplex Jogger Drive Belt Tension Adjustment

PREPARED BY: H, CHECKED

CLASSIFICATION:

BY:/~

Terashita

FROM: Copier Technical Support Section

DATE: PAGE: 1 of 1

MODEL: F200 X/Y

Nov.

30, ’92

❑ Action Required ■ Revision of service manual ❑ Troubleshooting ❑ Retrofit Information

The duplex jogger drive belt tension adjustment has been revised by the RTB-001 issued

on July 15, 1992,

The jogger fence drive belt tension mechanism has been reviewed to facilitate assembling

in the factory, and changed to an adjustment free mechanism as shown below,

1. Modified Items The mounting holes of the timing pulley bracket

[A] has been enlarged and fixed by shoulder screws [B]. A tension spring [C] has been added. The width of the timing belt [D] has been changed from 6mm to 4 mm to decrease the drive load of the jogger fences.

❑ Information only ❑ Other

[B]

.—.

1P+ ‘;

L–

__J

As the result, no adjustment is required when servicing,

Please refer to the MBs,

021, for details,

Modification Cut-in

Type Y

-1 5/1 7/22/25/27

Type X

-1 7/22/25/27

-16

(A084)

(A083)

A083-009

From September ’92 production onward

From September ’92 production onward From October ’92 production onward

and A084-

Imm)lxl

Technical Bulletin

No. RTB-011

SUBJECT: Improper Duplex Jogger Fence Movement

PREPARED BY: H, Terashita

CHECKED BY CLASSIFICATION:

❑ Action Required

■ Troubleshooting

❑ Revision of service manual ❑ Information only

FROM: Copier Technical Support Section

MODEL: F200 X/Y

❑ Retrofit Information ❑ Other

We have found that there is a possibility of the following problem on the

informs you of countermeasures, and gives a tip

for field troubleshooting.

PROBLEM:

The rear jogger fence [A] touches the duplex positioning roller arm [B]. This affects the jogger fence movement and may cause duplex paper feed skew and

SC522.

[c]

DATE: PAGE:

F200.

This bulletin

NOV.

of 1

30, ’92

COUNTERMEASURES:

Modified items:

The upper mounting hole of the positioning roller bracket [C] has been changed from 5mm to 4x6mm to assure the vertical position of the bracket. The rear jogger fence has been cut by 2mm as shown to widen the gap between the fence and the arm,

Modification cut-in:

Type Y (A084)

-1 5/1 7/22/25/27

Type X

-1 7/22/25/27

-16

(A083)

From September ’92 production onward

From September ’92 production onward From October ’92 production onward

[A]

2mm

Troubleshooting in the field:

If the fence is touching the positioning roller arm, remount the positioning roller bracket at the highest position.

I{m(ml

Technical Bulletin

No. RTB-012

SUBJECT: Hot Roller and Pressure Roller Replacement DATE:

PAGE: 1 of

PREPARED BY: H. Terashita

. .

CLASSIFICATION:

❑ Action Required

■ Revision of service manual

FROM: Copier Technical Support Section

MODEL: F200 X/Y

❑ Troubleshooting ❑ Retrofit Information

Please add the following note in your service manual, page 5-90.

NOTE: Whenever the hot roller and pressure roller are replaced, check the nip

width and adjust fusing pressure adjustment, manual page 5-95)

The reason for the nip follows:

width check at

❑ Other

the

if necessary. (See fusing pressure

hot roller

and

pressure roller replacement is as

Nov.

30, ’92

The nip band is an important factor for image fusing and must be maintained.

The nip band width is determined conditions. When the rollers are replaced, nip band width may be changed. Especially, the pressure roller affects the nip band width because of variations of the silicon rubber hardness. Therefore, whenever you replace the hot roller and pressure roller, first check the nip band

(8,

width by using SP mode out of the adjustment range (10 +/- 0.5 mm).

fusing pressure check mode) and then adjust it if the width is

not only the roller pressure but also the roller surface

Technica l Bulletin No . RTB-01 3

SUBJ ECT: Low Im ag e De nsity I n M ultip le Co py Ru n DATE: Feb . 15, ’ 9 3

PAGE: 1 o f 1

PREPARED BY: H .Tera shit a CHECKED BY:

CLASSIFICATION:

Action Required

Troubleshooting

Retrofit Information

SYMPTOM :

In multiple copy runs, image density goes down gradually even if small image area or igin als ar e us ed.

CAUSE:

We have found that the toner supply amount when the Toner Density Selection setting in the SP mod e (SP#10 p age 3) is at 30% is not enou gh for multip le co p ying of A4/ 81/2"x11" size. The toner is supplied by the toner supply roller, which has an A3/11" x 17" width. The toner amount is correct for 30% area image, however, only toner at the A4/81/2"x11" area (middle part) is consumed, and this causes low toner concentration at that part.

Revision of service manual Information only Other

FROM: Copier Technical Support Section

MODEL: F200 X/Y

COUNTERMEASURES:

Since the actual cause of the low ID problem in multiple copying was not clear, the factory settin g o f th e ton er d ensity selec tio n was s elected as HIGH o nly o n t he Decem ber 1992 productions as a temporary solution. From th e Jan uary 1993 p ro d uc tio n, th e fact or y s ettin g of the t on er den sity selec tio n in the SP mod e has been returned to NORMAL and the toner supply amount has been changed fro m 30% to 45%.

Please note that we will not modify the software to correct the toner supply amount d ata for the 30% supply mode. This is because that you must check if the software is new or old whenever you determine the proper toner supp ly amount setting for each machine.

In case of the low ID problems, the toner density selection in the SP mode is easily set to HIGH or VHIGH b y field technicians. As for other models, toner scattering problems may oc cu r if th e high er to ner den sity s electio ns are selec ted , even if to ner co nc entr atio n is reasonably high in the development unit. There is a possibility of having toner adhering pr ob lem o n th e d evelop m ent r o ller in an extr emely h igh to n er c on c entr atio n c o nd itio n even if the machine has the new development unit with the modified auger guide (Refer to the RTB-004).

To minimize the side effect pro blems, we recommend to return the toner density selection to NORMAL and use the toner supply amount selection or ID selection in ADS mo de instead (SP Special Features page 3), if customers need higher image density.

Technica l Bulletin No . RTB-01 4

SUBJ ECT: EPROM Software History DATE: Feb . 15, ’ 9 3

PAGE: 1 o f 3

PREPARED BY: H .Tera shit a CHECKED BY:

CLASSIFICATION:

Action Required

Troubleshooting

Retrofit Information

This b ulletin d esc rib es th e EPROM hist or y of t he mo de l F200 type Y.

1. M ain PCB A084 5111/5112 (2Mbit : Inch Version)

A084 5131/5132 (2Mbit : Metric Version)

Suffix Cut-in produc tion Changed items or reasons

G October ’92 * During the single copy run in the platen mode, if the Start key

is pressed before the main motor operation for the previous copying job sto ps, the ID sensor pattern control counters are reset. This results in no ID sensor pattern produc tion if this operation is repeated.

* During the machine off condition by the weekly timer, the

screen saver function did not work.

*The default (not the factory) setting of the toner density

selection has been changed from HIGH to NORMAL.

* When t he d ifferen t size o rig inals feedin g m o de is s elec ted by

User Tools, large size copy papers hits the jogger bar of the sorter stapler and causes jams in the ADF, sort, and single copy modes.

* The staple modes have been inhibited in the different size

or ig inals feed ing m od e is selec t ed .

* To enable the handling of SP/UT printing data by a PC, the

Line Feed (0AH) co mman d h as been ad d ed to th e Carriag e Return sig nal fo r eac h line p r int d ata. The En d Of File (1AH ) has also been added to the end of the print data. You have to change the settings of the printer so as not to perform the line feed by the new command. Otherwise, two lines will be used for one printed line.

* When th e user c od e is c hec ked by the Us er Too ls, "967295"

was displayed if no user code is registered.

Revision of service manual Information only Other

FROM: Copier Technical Support Section

MODEL: F200 Type Y

Technica l Bulletin No . RTB-01 4

SUBJ ECT: EPROM Software History DATE: Feb . 15, ’ 93

PAGE: 2 o f 3

Suffix Cut-in produc tion Changed items or reasons

H December ’92 * The first three digits of the serial number printout of SP/UT

modes for Gestetner/Nashua versions are corrected as follows:

U.S. versio ns : 490 -> 491 Euro pe ver sion s : 491 -> 490

* Dur ing fu sin g low tem p era tur e id lin g, c o py ing is aut o mat ica lly

resumed even if the ADF is opened or closed.

* The following counters were also double counted in A3/11"x17"

doub le count mode. They were changed to single increment.

Total copy c ounters in copy and original jam counters PM counter Daily and Weekly counters

J February ’93 * In the Cover/Slip mode copying, if the Cover/Slip tray runs out

papers, the Tray key cannot be used at all. Even if papers are sup p lied in t he t ray , t he Tr ay k ey r ema ined in op er ative.

* The counting method o f the following counters in the SP mo de

has been changed.

In Duplex Modes

- Total copies by paper sizes : Double -> Single count Following counters are changed to count even if in the blank copy output mode.

- PM cycle counter

- Daily/weekly copy counters

- Total counters in jam/SC counters All the SP co py counters will be incremented for Cover/Slip sheets without copy image. The following copy co unters are no t inc remen ted , as b efor e.

- Total number of copies

- Test mode copy c ounter

- Block copy co unter

- User code counters

A084 5121/5122 (512Kbit : Co mm o n)

Suffix Cut-in produc tion Changed items or reasons

G October ’92 To match the data address with the software of the 2Mbit ROMs.

H December ’92 To match the data address with the software of the 2Mbit ROMs.

J February ’93 To match the data address with the software of the 2Mbit ROMs.

Technica l Bulletin No . RTB-01 4

SUBJ ECT: EPROM Software History DATE: Feb . 15, ’ 93

PAGE: 3 o f 3

2. Operation Unit PCB A084 5251/5152 (1Mbit : Inch Version)

A084 5256/5257 (1Mbit : Metric version)

Suffix Cut-in produc tion Changed items or reasons

Inc h Metr ic

D C January ’93 * The location of the door in the display for the sorter

misfed paper removal is corrected.

* ARDF misfeed message has been changed from "...

inside the covers." to "... on the covers".

* initial digits of the serial number in SP mode has been

co rr ect ed 490 < - > 491 ( Nasu a/ Gestetn er vers ion s) .

* Weekly timer message in User Tool # 7 has been

changed from "To register a time..." to "To register an access cod e...".

* The CFF size has b een ch ang ed fro m 11"x91/2" t o

12"x141/2" (Metric Version Only).

NOTE:

The English ROM kit (only for Ricoh Metric versions) has different part numbers for each EPROM . The EPROMs in t he ROM kit are eq uivalent as sh own belo w:

A385 5002 = A084 5256B A385 5003 = A084 5257B A385 5006 = A084 5266B

The part numbers in the ROM kit will be standardized with that of the production EPROMs

(A084 ....) from the next productions.

G October ’92 To match the data address with the software of the 2Mbit

ROMs.

H December ’92 To match the data address with the software of the 2Mbit

ROMs.

J February ’93 To match the data address with the software of the 2Mbit

ROMs.

Technica l Bulletin No . RTB-01 5

SUBJ ECT: EPROM Software History DATE: Feb . 15, ’ 9 3

PAGE: 1 o f 3

PREPARED BY: H .Tera shit a CHECKED BY:

CLASSIFICATION:

Action Required

Troubleshooting

Retrofit Information

This b ulletin d esc rib es th e EPROM s his tor y o f the mo d el F200 typ e X.

1. M ain PCB A083 5111/5112 (2Mbit : Inch Version)

A083 5131/5132 (2Mbit : Metric Version)

Suffix Cut-in produc tion Changed items or reasons

D October ’92 * During the single copy run in the platen mode, if the Start key

is pressed before the main motor operation for previous copying job sto ps, the ID sensor pattern control counters are reset. This results in no ID sensor pattern produc tion if this operation is repeated.

* During the machine off condition by the weekly timer, the

screen saver function did not work.

*The default (not the factory) setting of the toner density

selection has been changed from HIGH to NORMAL.

* If larg e size pap er ( A3/11"x17") remain ed in the d up lex tray

and was fed out without copying after a small paper size (A4/81/2"x11") copying job is finished, the ID sensor pattern is developed on the large size papers.

* To enable the handling of SP/UT printing data by a PC, the

* When th e user c od e is c hec ked by the Us er Too ls, "967295"

was displayed if no user code is registered.

Revision of service manual Information only Other

FROM: Copier Technical Support Section

MODEL: F200 Type X

+ 92 hidden pages