1.15.2.1. MAINTENANCE LISTNO. OPERATION CHECK REMARKS1 Document Path Remove any foreign matter such as paper. —2 Rollers If the roller is dirty, clean it with a damp cloth then drythoroughly.Refer to 1.15.3MAINTENANCE(P.24).3 Platen Roller If the platen is dirty, clean it with a damp cloth then drythoroughly. Remove the paper and film cartridge beforecleaning.—4 Thermal Head If the thermal head is dirty, clean the printing surface with acloth moistened with denatured alcohol (alcohol withoutwater), then dry thoroughly.Refer to 1.15.3MAINTENANCE(P.24).5 Sensors Hook switch (SW101), Paper top sensor (PS501), Filmend/Cover open switch (SW501), Document top switch(SW353), Document set switch (SW352). Confirm theoperation of the sensors.See 1.15.2 MAINTENANCE CHECKITEMS/COMPONENTLOCATIONS(P.22) and 4.4 HOW TOREMOVE THE ANALOG, DIGITALAND POWER BOARDS AND ACINLET(P.114).6 Glass If the glass is dirty, clean them with a dry soft cloth. Refer to 1.15.3MAINTENANCE(P.24).7 Abnormal, wear and tearor loose partsReplace the part. Check if the screws are tight on all parts. —1.15.2.2. MAINTENANCE CYCLENo. Item Cleaning Cycle ReplacementCycle Procedure1 Separation Roller (Ref. No. 117) 3 months 7 years*(100,000 documents)Refer to 4.6 HOW TO REMOVETHE SEPARATIONROLLER(P.117).2 Separation Rubber (Ref. No. 5) 3 months 7 years (100,000 documents) Refer to 1.15.2 MAINTENANCECHECK ITEMS/COMPONENTLOCATIONS(P.22).3 Feed Rollers (Ref. No. 4) 3 months 7 years (100,000 documents) Refer to 4 DISASSEMBLYINSTRUCTIONS(P.111).4 Thermal Head (Ref. No. 33) 3 months 7 years (100,000 documents) Refer to 4.8 HOW TO REMOVETHE TERMAL HEAD(P.119).5 Platen Roller (Ref. No. 93) 3 months 7 years (100,000 documents) Refer to 4.9 HOW TO REMOVETHE PLATEN ROLLER, BACKCOVER(P.120).6 Pickup Roller (Ref. No. 72) 3 months 7 years (100,000 documents) Refer to 4.10 HOW TO REMOVETHE PICKUP ROLLER(P.121).* These values are standard and may vary depending on usage conditions.23KX-FP85