DOWNLOAD Panasonic UF-590 / UF-790 Service Manual ↓ Size: 15 MB | Pages: 127 in PDF or view online for FREE

45

Before reassembling, apply EM-50L Grease to the
parts shown  in the illustration.

(1) B83D22 Gear G  (622) : Gear surface
(2) D60D20 Gear B (621) : Rib surface
(3) D55 Gear F (619) : Gear surface
(4) D55 Gear F (619) : Gear Side surface

(1)

(2)

(3)

(4)

46

19

XTB3+8J

Screw

23

XYN3+F8

Screw

1Y

1Q

XTB3+10J

Screw

4N

XSN3+W8FC

Screw

B5

B4

B9

XSB4+10BN

XTB3+8JK

DZJM000171

Screw

Screw

Snap Ring

B1

DZPB000007

Silver Screw

7B

XTB26+6J

Screw

A9

Screw

24

XYN4+F8

XYN3+F10

Screw

Screw

C2

DZPB000020

DZPA000001

Screw

C8

XTW3+8SFC

Screw

47

1

Soft Cloth

6

Tweezer

2

Isopropyl Alcohol

7

Pliers

3

Phillips Screwdriver (#2)

8

Cotton Swab

4

Stubby Phillips Screwdriver (#2)

9

Brush

5

Blade-tip Screwdriver (3/32 in)

10 Molykote EM-50L Grease 

(Available from Dow Corning, 
URL: http://www.dowcorning.com)

48

The chart outlined below is a general guideline for maintenance. The example list is for an average usage
of 50 transmitted and received documents per day. Needless to say, the environmental conditions and
actual use will vary these factors. The chart below is for reference only.

The number of pages is based on the ITU-T Image No. 1 test chart at Multi-Copy mode.
Operation environment 68

°

F (20

°

C), 50% RH, using A4 paper.

Receiver 

Unit

Printer Motor

626

-

-

100,000 documents

Refer to 

ch2.2.12.

Toner  Cartridge

-

-

approx 7,500 pages 
(See Note)

-

Paper Feed Roller

518

911

12 months or 10,000 
documents

Refer to 

ch2.2.11.

30,000 documents

Refer to 

ch2.2.11.

Feed Roller

526
904

12 months or 10,000 
documents

Refer to 

ch2.2.17.

-

Refer  to 

ch2.2.17.

Bias Transfer Roller 604 12 months or 10,000 

documents

Refer to 

ch2.2.19.

30,000 documents

Refer to 

ch2.2.19.

Fuser Unit

701 When replacing Print 

Cartridge

Cleaning 

chart

50,000 documents

Refer to 

ch2.2.14.

Fuser Roller

709 When the Recording 

Paper wraps itself 
around the roller.

Refer to 

ch2.2.15.

(Included as part of 
the Fuser Unit)

Refer to 

ch2.2.15.

Pressure Roller

706 When the Recording 

Paper wraps itself 
around the roller.

Refer to 

ch2.2.15.

(Included as part of 
the Fuser Unit)

Refer to 

ch2.2.15.

Transmitter 

Unit

Roller Shaft 2

235 30,000 documents

Refer to 
ch2.2.3.

-

-

Feed Pinch Roller
* Shaft Hole

236 30,000 documents

Refer to 
ch2.2.3.

-

-

ADF Roller

331 12 months or 10,000 

documents

Refer to 
ch2.2.4.

30,000 documents

Refer to 
ch2.2.8.

Separation Rubber

207 12 months or 10,000 

documents

Refer to 
ch2.2.2.

30,000 documents

Refer to 
ch2.2.2.

Feed Roller

302 12 months or 10,000 

documents

Refer to 
ch2.2.4.

30,000 documents

Refer to 
ch2.2.9.

Eject Roller

303 12 months or 10,000 

documents

Refer to 
ch2.2.4.

30,000 documents

Refer to 
ch2.2.6.

Scanning Glass

308 12 months or 10,000 

documents

Refer to 
ch2.2.4.

-

-

Mirrors

334
335
336

12 months or 10,000 
documents

Refer to 
ch2.2.8.

-

-

Transmit Motor

324

-

-

100,000 documents

Refer to 
ch2.2.7.

"x" Stamp Head

325

-

-

5,000 documents

Refer to 
ch2.2.5.