Ricoh B253 MP7500SP MT-C3
Maintenance. PM Tables. Main Machine 3
The amounts mentioned (K=1,000) as the PM interval indicate the number of prints or copies unless stated otherwise. These numbers are based on the PM counter.
Symbol key: C: Clean, R: Replace, L: Lubricate, I: Inspect, EM: Emergency Maintenance
| FUSING UNIT AND PAPER EXIT | ||||||
|---|---|---|---|---|---|---|
| EM | 300K | 500K | 600K | Expected K | Note | |
| Cleaning Web | R | R | ||||
| Cleaning Web Pressure Roller | R | Replace roller and bushings together. | ||||
| Cleaning Web Pressure Roller Bearings | R | |||||
| De-Curler Rollers | C | C | Alcohol | |||
| Exit Rollers | C | C | Alcohol | |||
| Exit Static Discharge Brush |
I | I | ||||
| Fusing Entrance Guide Plate | C | C | Dry cloth. | |||
| Fusing Exit Guide Plate | C | C | Dry cloth. | |||
| Hot Roller | R | R | 600 | B140/B246 Series: "R" at 300K B064 Series: "R" at 500K |
||
| Hot Roller Bearings | R | R | 1000 | |||
| Hot Roller Strippers | R | R | 600 | |||
| Pressure Cleaning Roller | R | R | Replace as a set. | |||
| Pressure Cleaning Roller Bearings | R | I | R | |||
| Pressure Cleaning Roller Spring Plate | I | I | ||||
| Pressure Roller | R | R | 600 | B140/B246 Series: "R" at 300K B064 Series: "R" at 500K Always replace pressure roller and bearings together. |
||
| Pressure Roller Bearings | R | R | 600 | |||
| Thermistors x2 | R | I | B140/B246 Series: "R" at 300K B064 Series: "I" at 500K |
|||
| Transport Rollers | C | C | Alcohol | |||
| Fusing Lamp | I | I | I | |||
| DUPLEX | ||||||
|---|---|---|---|---|---|---|
| EM | 300K | 450K | 600K | Expected K | Note | |
| Entrance Sensor | C | C | C | Blower brush | ||
| Inverter Exit Rollers | C | C | Alcohol | |||
| Transport Rollers | C | C | Dry cloth | |||
| Reverse Trigger Rollers | C | C | Dry cloth | |||
| Inverter Entrance Roller | C | C | Dry cloth | |||
| Entrance Anti-Static Brush |
C | C | Blower brush | |||
| Reverse Junction Gate | C | C | C | Dry cloth | ||
ADF
The PM interval is for the number of originals that have been fed.
| EM | 80K | 160K | 240K | Expected K | Note | |
|---|---|---|---|---|---|---|
| Pick-up Roller | C | R | R | R | Water or alcohol, belt cleaner to clean paper feed belt. Replace these items together. | |
| Separation Roller | C | R | R | R | ||
| Paper Feed Belt | C | R | R | R | ||
| CIS Glass | C | C | C | Dry cloth | ||
| White Guide Plate | C | C | C | Dry cloth | ||
| Sensors | C | C | C | C | Blower brush. | |
| Platen Cover Sheet | C | C | C | C | Water or alcohol | |
| Drive Gears | L | L | L | Grease G501. | ||
| Transport Rollers | C | C | C | Water or alcohol | ||
| Entrance Roller | C | C | C | |||
| White Platen Roller | C | C | C | |||
| Pre-Scanning Roller | C | C | C | |||
| Scanning Roller | C | C | C | |||
| Exit Roller | C | C | C |