121
Chap.5
x Periodic Maintenance Check List
(2) Criteria for Replacing Primary Parts
1. DC-545
PARTS No. DESCRIPTION MTBF
L8-X1110 Cutter motor 2,000,000 times
L8-B1112 Upper blade (margin slitter) 1,500,000 sheets
L8-B2060 Lower blade (margin slitter) 1,500,000 sheets
N4-D2100 Upper blade (center slitter) 1,500,000 sheets
N4-D2230 Lower blade (center slitter) 1,500,000 sheets
N4-E1010 Creaser unit (female) 1,500,000 times
N4-E1080 Creaser unit (male) 1,500,000 times
L8-C1061 Rubber roller 1,500,000 sheets
AJ
* * *
Timing belt 1,500,000 sheets
M2-X1010 Stepping motor (main) 1,200,000 sheets
L8-X1010 Gear motor (slitter drive) 1,200,000 sheets
M7-X1110 Stepping motor (slitter position) 1,200,000 sheets
N4-X1020 Gear motor 2,000,000 cycles
N4-X1000 Paper feed solenoid 1 8,000 hours
N4-X1010 Paper feed solenoid 2 8,000 hours
Main board unit 40,000 hours
Panel board unit 40,000 hours
Memory board unit 40,000 hours
2. AF-100
PARTS No. DESCRIPTION MTBF
N4-K1021 Flat belt 300,000 to 500,000 sheets
N4-K2122 Separator 300,000 to 500,000 sheets
AJ036 Timing belt 1,500,000 sheets
N4-V3031 Feed PCB unit 40,000 hours
N4-W1091 Photo-emitting PCB 40,000 hours
N4-W2061 Photo-receiving PCB 40,000 hours
N4-W2070 Wiring/Inter lock 30,000,000 times
N4-X1010 Solenoid 8,000 hours
N4-X1040 Gear motor 3,000 hours
N4-X1050 Fan motor 10,000 hours
N4-X1060 Gear motor 500 hours
CA021 Photo interrupter 40,000 hours
LA028 Micro switch 200,000 times
N4-K4550 Actuator 300,000 to 500,000 sheets