Panasonic KX-FT931LA-B, Service Manual, Page: 129 / 173

129
KX-FT931LA-B
15.1.2.1. Maintenance List
15.1.2.2. Maintenance Cycle
* These values are standard and may vary depending on usage conditions.
NO. OPERATION CHECK REMARKS
1 Document Path Remove any foreign matter such as paper. ----------
2 Rollers If the roller is dirty, clean it with a damp cloth then dry thoroughly. Refer to How to Remove the Image Sensor
(CIS) and Feed Roller (P.122).
3 Platen Roller If the platen is dirty, clean it with a damp cloth then dry thoroughly.
Remove the paper and film cartridge before cleaning. Refer to How to Remove the Operation
Board, LCD and Platen Roller (P.120).
4 Thermal Head If the thermal head is dirty, clean the printing surface with a cloth
moistened with denatured alcohol (alcohol without water), then dry
thoroughly. Refer to How to Remove the Lock Lever and
Thermal Head (P.123).
5 Sensors Document sensor (SW39), Read position sensor (SW38), Record-
ing paper/cover open sensor (SW1), Jam sensor (SW3), Hook
switch (SW2) Confirm the operation of the sensors. See Maintenance check Items/Componet
Locations (P.128).
6 Glass If the glass is dirty, clean them with a dry soft cloth. Refer to Document Feeder Cleaning (P.137).
7 Abnormal, wear and
tear or loose parts Replace the part. Check if the screws are tight on all parts. ----------
No. Item Cleaning Cycle Replacement
Cycle Procedure
1 Separation Roller (Ref. No. 110) 3 months 7 years*
(31,500 documents) Refer to How to Remove the Gear Block
and Separation Roller (P.126)
2 Separation Rubber (Ref. No.23) 3 months 7 years (31,500 documents) Refer to How to Remove the Separation
Holder and Document Feed Support
(P.121)
3 Feed Rollers (Ref. No. 30, 78) 3 months 7 years (31,500 documents) Refer to How to Remove the Image Sensor
(CIS) and Feed Roller (P.122).
4 Thermal Head (Ref. No. 58) 3 months 7 years (31,500 documents) Refer to How to Remove the Lock Lever
and Thermal Head (P.123).