Konica 7075 GUIDE MANUAL 7075fv3e

3

SERVICE

3 SERVICE

Main Precautions for Maintenance

1. Points to be confirmed before maintenance Before starting maintenance, ask a user and collect information about troubles occurred on the machine before the maintenance and the conditions of the machine to grasp key points for the maintenance.

2. Copy sample Be sure to make copy samples at the start and the end of maintenance for checking images.

4. When replacing the drum and developer, must perform neccessary adjustment by refering to the 7075 List of Adjustment Items.

5. After having completed maintenance work, must reset the PM counter (using the 25 mode).

6. When replacing the fixing unit cleaning web, must reset the fixing unit cleaning web counter( using the 36 mode).

3 SERVICE

3. Drum

1) Never expose the drum to the sunlight. Be also careful not to expose a drum to indoor light as far as possible.

When a drum unit or a drum is out of the machine, nev er fail to cov er it with a drum cover .

2) When replacing a drum or a cleaning blade , refer to Item of mounting/dismounting of a cleaning blade for doing a replacement work.

7. When replacing a toner cartridge, wait until the toner supply LED on the operation panel flashes before the replacement.

caution: Turn the main switch off and pull out

the power pulg without fail before the work of maintenance.

SERVICE SCHEDULE

[1] Service Schedule

SERVICE

Main body

RADF

DF-313

FNS

Service item

Maintenance

Periodic check (I)

Periodic check (II)

Periodic

check

(III)

Periodic

check

(IV)

Periodic

check

(V)

Periodic

check

(VI)

Maintenance

Periodic check (I)

Periodic check (II)

Maintenance

Numbe of

copies

Every 250,000 copies

Every 500,000 copies

Every 1,000,000 copies

Every 3,000,000 copies

Every 4,500,000 copies

Every 6,000,000 copies

Every 10,000,000 copies

Every 250,000 copies

Every 1,000,000 copies

Every 2,500,000 copies

Every 250,000 copies

0 25 50 75 100 125 150 175 200 225 250 275 300 2800 2825 2850 2875 2900 2925 2950 2975

Guarantee period (5 years or 30,000,000 copies)

× 10,000 copies

............

Service

count

119 times

59 times

29 times

9 times

6 times

4 times

2 times

119 times

29 times

11 times

3 SERVICE

119 times

FS-108

FNS

FS-108BM

LCT

LT-401

PI

PI-108

Periodic check (I)

Periodic check (II)

Maintenance

Periodic check (I)

Periodic check (II)

Maintenance

Periodic check (I)

Periodic check (II)

Maintenance

Periodic check (I)

Periodic check (II)

Every 1,000,000 copies

Every 6,000,000 copies

Every 250,000 copies

Every 1,000,000 copies

Every 6,000,000 copies

Every 250,000 copies

Every 500,000 copies

Every 3,000,000 copies

Every 250,000 copies

Every 500,000 copies

Every 1,000,000 copies

............

29 times

4 times

119 times

29 times

4 times

119 times

59 times

9 times

119 times

59 times

29 times

3 - 1

SERVICE

[2] Maintenance Items

1. Main body (Every 250,000 copies)

NO

1 Preparation 2 Fixing unit

3 Drum carriage

4 Cleaner

5 Charging corona

3 SERVICE

unit

6 Developing unit

7 Transfer/

separation corona unit

8 Registration

Classification Service item

(1) Image check (1) Fixing separation claws

(upper and lower) cleaning

(1) Charging corona unit,

cleaner, and developing unit, sensor support stay assembly, drum removal

(2) Drum carriage inside

cleaning (including drum fixing coupling surface)

(1) Cleaner unit cleaning

(2) Installation on drum

carriage

(1) Charging corona unit/PCL

cleaning

(2) Charging wire 55VA2509* (3) Charging wire unit vibration

proof rubber 25BA2501*

(4) Installation on drum

carriage

(1) Developing unit cleaning

(2) Installation on drum

carriage

(1) Transfer/separation corona

unit cleaning

(1) Paper dust removing brush/

registration roller/others cleaning

(2) Registration sensor

cleaning

(3) Mis-centering detection

sensor cleaning

(4) Second paper feed sensor

cleaning

Number of parts

replaced

2 2

Implementation classification

Replace-

Cleaning

Inspection

Lubrication

ment

Supply

Materials/tools

used

Drum cleaner/ cleaning pad

Drum cleaner/ cleaning pad/ blower brush Cleaning pad/ blower brush

Drum cleaner/ cleaning pad/ blower brush

Cleaning pad/ blower brush

Drum cleaner/ cleaning pad/ blower brush Cleaning pad/ blower brush

Blower brush

Drum cleaner/ cleaning pad Blower brush

3 - 2

SERVICE

Classification Service item

NO

9 ADU

10 Tray

11 By-pass tray

12 Read

13 Main body

14 Toner supply

15 Final check

(1) Horizontal conveyance

roller/others cleaning

(2)

Paper reverse/exit entrance guide plate cleaning

(3) Paper reverse/exit detection

sensor cleaning

(4) ADU deceleration detection

sensor cleaning

(5) ADU paper pre-registration

detection sensor cleaning

(1) Paper dust removing brush

(500-sheet tray)

(2) Paper dust removing brush

(1000-sheet tray)

(3) Paper feed detection sensor

cleaning

(4) Paper pre-registration

detection sensor cleaning

(1) Trailing edge size detection

sensor cleaning

(1) Platen glass cleaning

(2) Slit glass cleaning

(1) Exterior and interior

cleaning

(1) Cartridge insertion opening

cleaning (1) W.U.T check (2) Image and paper feeding

check (including vertical

magnification adjustment

and timing adjustment) (3) PM counter resetting

Number of parts

replaced

Implementation classification

Replace-

Inspection

Lubrication

Cleaning

ment

Supply

Materials/tools

used

Drum cleaner/ cleaning pad Drum cleaner/ cleaning pad Blower brush

Blower brush

Cleaning pad/ blower brush Cleaning pad/ blower brush Blower brush

Blower brush

Cleaning pad/ blower brush Drum cleaner/ cleaning pad Drum cleaner/ cleaning pad Drum cleaner/ cleaning pad Cleaning pad

3 SERVICE

3 - 3

SERVICE

2. RADF [DF-313] (Every 250,000 copies)

NO

1 Preparation

2 Paper feed

section

3 SERVICE

3 Conveyance

section

4 Paper exit

section

5 Final check

Classification Service item

(1) Paper feeding check (2) Exterior (1) Size detection sensor 1 (2) Size detection sensor 2 (3) Size detection sensor 3 (4) Registration sensor (5) Registration mirror (6) Paper feed roller

(7) Separation roller

(8) Double feed prevention

roller

(9) Separation assist roller

(10) Double feed prevention

roller rubber (11) Cleaning pad (12) Registration roller

(1) Read sensor (2) Read sensor mirror (3) Skew sensor (F) (4) Skew sensor (F) mirror (5) Skew sensor (R) (6) Skew sensor (R) mirror (7) Read roller

(8) Paper exit roller 1

(1) Reversal sensor/left sensor (2) Reversal sensor/left sensor

mirror (3) Reversal sensor/middle

sensor (4) Reversal sensor/middle

sensor mirror (5) Reversal sensor/right

sensor (6) Reversal sensor/right

sensor mirror (7) Reversal roller

(8)

Reverse conveyance roller 1

(9)

Reverse conveyance roller 2

(10) Paper exit roller 2

(11) Reversal paper exit roller

(1) Paper feeding check (2) Exterior cleaning

Number of parts

replaced

Implementation classification

Replace-

Cleaning

Inspection

Lubrication

ment

Supply

Materials/tools

used

Blower brush Blower brush Blower brush Blower brush Blower brush Drum cleaner/ cleaning pad Drum cleaner/ cleaning pad Drum cleaner/ cleaning pad Drum cleaner/ cleaning pad Drum cleaner/ cleaning pad Blower brush Drum cleaner/ cleaning pad Blower brush Blower brush Blower brush Blower brush Blower brush Blower brush Drum cleaner/ cleaning pad Drum cleaner/ cleaning pad Blower brush Blower brush

Blower brush

Drum cleaner/ cleaning pad Drum cleaner/ cleaning pad Drum cleaner/ cleaning pad Drum cleaner/ cleaning pad Drum cleaner/ cleaning pad

Drum cleaner/ cleaning pad

3 - 4