Description: Transfer belt cleaner clearance error When pressing or separation of the Transfer Belt Cleaner is impossible.
Causes: • Cleaner Pressure Flapper Solenoid (SL4) • Belt Cleaner Position Detect Sensor (PC9) • Engine Board (PWB-A)
Remedy: 1 Check the operation of PC9. PC9_ON 2 Replace the pressing/separation mechanism parts of the Belt Cleaner. - - 3 Check the operation of SL4. SL4_REM 4 Replace the PWB-A.
Code: 6022
Description: Transfer belt rotation error When the transfer belt of the Intermediate Transfer Belt Unit does not operate.
Causes:
Remedy: 1 Replace the transfer belt unit.
Code: 6023
Description: Developing rack rotation error When the Toner Cartridge Rack does not turn.
Causes: • Rack motor (M2) • Rack Clutch (CL1) • Rack Black Position Detection Sensor (PC4) • Engine Board (PWB-A)
Remedy: 1 Check the operation of PC4. PC4_ON 2 Check the operation of M2. CL1_REM 3 Check the operation of CL1. - 4 Replace the PWB-A.
Code: 6024
Description: Fuser roller / warming up error When 80C is not reached in 100 seconds after start of warming up. When the fusing roller temperature has dropped and remained below 70C for 10 seconds during standby.
Remedy: 1 Check the continuity of H1 and H2. NO Replace the H1, H2. - 2 Check the continuity of TS1. NO Replace the TS1. - 3 Check to see if the resistance of TH1 is infinite. (Between CN18-1 and 2 on thermistor side) YES Clean TH1 or replace the Fuser Unit. HEATER NO Replace the PU. Replace the PWB-A.
Code: 6025
Description: Fusing roller / low temperature error When 80C is not reached in 100 seconds after start of warming up. When the fusing roller temperature has dropped and remained below 70C for 10 seconds during standby.
Remedy: 1 Check the continuity of H1 and H2. NO Replace the H1, H2. - 2 Check the continuity of TS1. NO Replace the TS1. - 3 Check to see if the resistance of TH1 is infinite. (Between CN18-1 and 2 on thermistor side) YES Clean TH1 or replace the Fuser Unit. HEATER NO Replace the PU. Replace the PWB-A.
Code: 6026
Description: Fusing roller / high temperature error When the Fusing Roller temperature is 220°C or higher for 0.1 second. When between 40 seconds and 50 seconds after start of warming up of the Fusing Roller, the Fusing Roller temperature does not rise for one second by 5°C from that at start of fuser warming up.
Causes: • Thermistor (TH1) • Engine Board (PWB-A)
Remedy: 1 Check to see if TH1 is shorted. (Between CN18-1 and 2 on thermistor side) YES Clean TH1. HEATER Replace the Fuser Unit. NO Replace the PU. Replace the PWB-A.