Ricoh J2SS Service-Handbuch

Technical Bulletin No. RTB-001

SUBJECT: Service Code E11 DATE:Dec. 15, ’94

PAGE: 1 of 1

PREPARED BY: S. Hizen

CHECKED BY: S. Hamano FROM: 2nd Technical Support Section

CLASSIFICATION:

Action Required

Troubleshooting

Retrofit Information

Revision of service manual

Information only

Other

MODEL: J2SS

[Phenomenon]

Service Code E11 is displayed on the operation panel when the machine

is initialized either at installation or after developer replacement.

[Cause]

The transistor TR2 in the toner density sensor is broken by static electricity applied

through the pins of the development unit connector when the connector is disconnected.

[Action Required]

The following preventive actions are required when the development connector is

disconnected to protect the sensor from static electricity.

Preventive Actions:

1: Keep the connector at least 30mm away from the development unit when the unit is

cleaned using a vacuum cleaner.

2: Do not touch the pins of the connector when the development unit is carried away from

the main frame or cleaned.

Once Code E11 is displayed, the toner density sensor must be replaced with a new one.

Toner Density Sensor Replacement Procedure :

Please refer to sections 3.1 DEVELOPMENT UNIT REMOVAL and 3.3 TONER DENSITY

SENSOR REPLACEMENT in Service Manual for the procedure.

Please handle the connector carefully to prevent static electricity damage after the sensor

is replaced.

Development

Unit

30mm

Toner Density Sensor

Technical Bulletin No. RTB-002

SUBJECT: Service Manual Correction DATE: Dec. 15, ’94

PAGE: 1 of 1

PREPARED BY: S. Hizen

CHECKED BY: S. Hamano FROM: 2nd Technical Support Section

CLASSIFICATION:

Action Required

Troubleshooting

Retrofit Information

Revision of service manual

Information only

Other

MODEL: J2 SS

Please correct your service manual as follows:

Page Line Incorrect Correct

2-18 12 decreases and the voltage applied

to CN104-B20 decreases and the voltage applied

to CN104-A10

2-18 14 carrier on the sensor coils

increases and the voltage at

CN104-B20

carrier on the sensor coils

increases and the voltage at

CN104-A10

2-29 7 power drives PT201 and RA201 power drives PTC201 and RA201

2-29 9 activates the photocoupler (PT201)

which in turn energizes activates the photocoupler

(PTC201) which in turn energizes

3 in Roll

Feeder

section

22 Humidity sensor’ function: if the

humidity is lower than 45% if the humidity is higher than 45%

Technical Bulletin No. RTB-003

SUBJECT: Energy Star DATE:October 31,

’95

PAGE: 1 of 4

PREPARED BY: S. Hizen

CHECKED BY: M. Iwasa FROM: 2nd Technical Support Section

CLASSIFICATION:

Action Required

Troubleshooting

Retrofit Information

Revision of service manual

Information only

Other

MODEL:

J2SS

-12, -17 only

This RTB explains the modifications made to meet the Energy Star requirements.

With this modification, to conserve energy, the copier automatically turns off 30 minutes

after the last copying job has been completed.

The details of the machine operation can be found on pages 2, 3, and 4 of this RTB.

Auto Off Mode

To automatically turn off the copier, a new type of main switch with an incorporated coil is

used. The connector layout is shown below.

REVISED ON: DECEMBER 15, ’95 : Revised

AC Harness

A1635702

Main Switch

12042421

Relay 12081392

Upper

Harness

A1635706

Lower DC Harness

A1635704

Harness Locations

Technical Bulletin No. RTB-003

SUBJECT: Energy Star DATE:October 31,

’95

PAGE: 2 of 4

SP Mode The following two modes have been newly provided (ROM : A163-5208).

Instruction Sheet

An additional explanation sheet has been added to the operating instructions booklet.

Please refer to pages 3 and 4 of this RTB for the contents of this sheet. The Energy

Saver Mode described on the second page of this instruction sheet is the Auto Energy

Saver Mode originally available with this copier.

Note: 1. When you use the new main board (main board modified for Energy Star) in a

non-Energy Star machine, please replace the ROM with the ROM

(A163-9506).

2. When you replace the RAM board, please clear all memories with SP mode -1

-21 and input the factory data refering to the service manual. (Memory clear

mode section)

REVISED ON: DECEMBER 15, ’95 : Revised

Mode No. Function Settings

15 Auto off time can be selected 1 ~ 120 minute (1 minute per step)

Default : 30 minutes

The auto off time can also be selected by the customer.

Please refer to pages 3 and 4 of this RTB for the procedure.

The Auto off mode is prohibited in the following conditions.

* The roll feeder is operating.

* A sheet of paper is set on the feed table.

* A Jam or SC indicator in on.

* Toner end indicator is on or Used Toner bottle is full.

Technical Bulletin No. RTB-003

SUBJECT: Energy Star (J2SS O/I) DATE:October 31,

’95

PAGE: 3 of 4

REVISED ON: DECEMBER 15, ’95 : Revised

Technical Bulletin No. RTB-003

SUBJECT: Energy Star (J2SS O/I) DATE:October 31,

’95

PAGE: 4 of 4

REVISED ON: DECEMBER 15, ’95 : Revised

Technical Bulletin No. RTB-004

SUBJECT: Service Manual Correction DATE:October 31,

’95

PAGE: 1 of 1

PREPARED BY: S. Hizen

CHECKED BY: M. Iwasa FROM: 2nd Technical Support Section

CLASSIFICATION:

Action Required

Troubleshooting

Retrofit Information

Revision of service manual

Information only

Other

MODEL: J2SS

Please correct your service manual as follows.

Page 5 - 19 (4.7 Grid Voltage Adjustment)

Incorrect: Adjustment Standard : dc -2 ±10V

Correct: Adjustment Standard : dc -940 ±10V

Technical Bulletin No. RTB-005

SUBJECT: Proper Fusing Temperature Setting for Paper DATE: June 30, ’96

PAGE: 1 of 2

PREPARED BY: A. Sasaki

CHECKED BY: FROM: 1st Field Information Dept. QAC

CLASSIFICATION:

Action Required

Troubleshooting

Retrofit Information

Revision of service manual

Information only

Other

MODEL: J2-SS

Environmental conditions: L/L ------ 15°C, 20%RH

M/M ---- 23°C, 65%RH

H/H ----- 30°C, 80%RH

1. Plain Paper

Paper T6200/T6000 Azon Bond Azon Recyled

Bond Regma 61gr Regma 75-80gr

Environ L/L M/M H/H L/L M/M H/H L/L M/M H/H L/L M/M H/H L/L M/M H/H

Mode 8

Mode 7

Mode 6

Mode 5

Mode 4

Mode 3 O O O O O

Mode 2 O O O O OO

Mode 1 OOOO

Paper Regma 90gr Regma 110gr Ozalid EF-Weiss

Environ L/L M/M H/H L/L M/M H/H L/L M/M H/H

Mode 8

Mode 7 OOO

Mode 6 O O

Mode 5 O

Mode 4

Mode 3 O

Mode 2 O

Mode 1 O

To get better copy quality, the fusing temperature should be adjusted for paper type,

paper brand, and environmental condition.

A)For some particular paper types, paper brands, and environmental conditions

Technical Bulletin No. RTB-005

SUBJECT: Proper Fusing Temperature Setting for Paper DATE: June 30, ’96

PAGE: 2 of 2

2. Vellum

Paper TA-70 Azon Vellum Erazable Vellum Regma 91gr

Environ L/L M/M H/H L/L M/M H/H L/L M/M H/H L/L M/M H/H

Mode 8 OOO

Mode 7 O

Mode 6 O O O O O O

Mode 5 O O

Mode 4

Mode 3

Mode 2

Mode 1

3. Film

Paper Azon Film 3mil Azon Film 4mil Regma Film 3mil Regma Film 4mil Hoechst Film

4mil

Environ L/L M/M H/H L/L M/M H/H L/L M/M H/H L/L M/M H/H L/L M/M H/H

Mode 8

Mode 7

Mode 6

Mode 5

Mode 4 O O O O OOO O O

Mode 3 OOO OOO

Mode 2

Mode 1

B) For non-listed papers

The following is the procedure to find out the best Fusing Temperature Setting

for each paper.

The best setting is at the highest position before creasing begins to

appear.

1. Set the Fusing Temperature Setting to the maximum mode for the type of

paper, such as Plain Paper, Vellum, or Film using SP #1, SP #2 or SP #3.

Plain Paper: Mode 7 (SP #1)

Vellum: Mode 8 (SP #2)

Film: Mode 5 (SP #3)

2. Make 3 white copies with the largest size of the paper available in the vertical

grain direction. (White copy is the worst case for creasing.)

3. Check whether creasing appears on any of the copies.

4. If creasing appears, lower the Fusing Temperature Setting by 1 and repeat

Steps # 2~4.

Technical Bulletin No. RTB-006

SUBJECT: Method for Judging Whether the Pressure Roller is Still

Usable or Not DATE: June 30, ’96

PAGE: 1 of 1

PREPARED BY: A. Sasaki

CHECKED BY: FROM: 1st Field Information Dept. QAC

CLASSIFICATION:

Action Required

Troubleshooting

Retrofit Information

Revision of service manual

Information only

Other

MODEL: J2-SS

The following is the procedure for judging whether the pressure roller is still usable or

not, by making a black copy.

1. Access SP mode with the steps below.

Press the Clear Modes (C) key, Plus (+) key, Minus (-) key, Clear/Stop key, and

Clear/Stop key (hold down for longer than 3 seconds) in order.

2. Select Lamp Off Mode, using the following steps.

a) Confirm that the "Lead Margin" indicator lights to allow an SP number to be input.

(If the "Lead Margin" indicator does not light, pressthe Function Select key until

it lights.)

b) Select "-51" by pressing the Minus key. ("-51" is the number to select Lamp Off

Mode.)

c) Press the Function Select key until the "Paper Length" indicator lights.

d) Select "1" by pressing the Plus key. ("1" is the number to set Lamp Off Mode.)

e) Press the RF Select key to confirm Lamp Off Mode.

3. To prevent paper misfeed, make some white area at the leading edge, using the

steps below.

a) Press the Function Select key until the "Lead Margin" indicator lights.

b) Continue to press the Plus key until "99 mm" or "4.0 inches" (max. value) is

indicated.

4. Make a copy using a less fusible kind of paper, like film, translucent paper or

thicker plain paper with the vertical grain direction.

Note: Before making a copy, set the fusing temperature setting to the mode which

is one step lower than the proper setting for the particular kind of paper (ex.

If the proper setting is Mode 3, select Mode 2 for this test). (Refer to RTB

No. 005 about the proper settings for some particular types of paper and the

adjustment procedure for non-listed papers.)

5. Scrape some black areas on the copy using a cotton cloth 5 times.

6. Check whether the toner is peeled off on the areas that correspond to the

scratched parts of the pressure roller, and check if white lines or bands appear. If

so, the pressure roller should be replaced.

7. Before turning the main switch off to reset the SP mode, reset "Lamp Off Mode",

"Lead Margin" and "Fusing Temperature Setting" back to the original settings.

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