4)Cartridge position error

Identification failure for a new toner cartridge.

User Check

Install the toner cartridges into the machine properly.

Step

Cause

Remedy

 

 

 

 

 

 

 

Power off or front cover opened

Reset the developing bias voltage and

1

while detecting a new toner

develop roller counter. (Refer to "Developer

 

cartridge.

Roller Counter Reset" in Chapter 5.)

 

 

 

5)No paper fed tray 1

No paper in Tray (T1)

User Check

Check if the paper is loaded into the paper tray correctly. Then press the [Go] button.

Step

Cause

Remedy

 

 

 

 

 

 

 

Registration front sensor failure

Check the sensor performance following

 

 

the procedure in "Factory Inspection Mode"

1

 

(Chapter 5).

 

 

If any problem occurs, replace the

 

 

registration front sensor PCB ASSY.

 

 

 

2

Lift arm and roller holder ASSY not

Be sure to put the boss of the roller holder

assembled correctly

ASSY into the hole on the lift arm securely.

 

 

 

 

 

Harness connection failure of

Check the harness connections of the

3

registration front sensor PCB

registration front sensor PCB ASSY, and

 

ASSY

reconnect it.

 

 

 

4

Harness connection failure of T1

Check the harness connections of the T1

solenoid

solenoid, and reconnect it.

 

 

 

 

5

Plate-up function malfunction

Replace the paper tray.

 

 

 

6

Toner LED PCB ASSY failure

Replace the toner LED PCB ASSY.

 

 

 

7

Main PCB ASSY failure

Replace the main PCB ASSY.

 

 

 

1-9

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