Toshiba E-STUDIO3508A - 7.5.3 Counters to be cleared; 7.5.4 Precautions

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PREVENTIVE MAINTENANCE (PM)

7 - 13

7.5.3 Counters to be cleared

• FS-08-6250: Drum counter

• FS-08-6258: Drum cleaning blade counter

• FS-08-6274: Main charger grid counter

• FS-08-6282: Needle electrode counter

• FS-08-6272: Drum separation finger counter

• FS-08-6436: Recovery blade counter

• FS-08-6300: Developer material counter

• FS-08-6194: K-PM counter current value

• FS-08-6195: K-PM time counter current value

• FS-08-5568: Developer material-K PM counter current value

• FS-08-5569: Developer material-K PM time counter current value

7.5.4 Precautions

• When the power is turned ON in the normal mode or during warming-up in the normal mode, the

error code C3D1 appears after a new EPU unit (with new IC chip data) is installed. This indicates

that the installed EPU unit has not been set up. Turn the power OFF and then Performs FS-21.

Then the equipment enters the EPU replacing mode.

• After Performing FS-21, the error code C3D2 appears after an old EPU unit (with old IC chip

data) is installed. This is for preventing the equipment from detecting that the installed unit is a

new one and performing wrong operations such as supply item counter reset. In this case, turn

the power OFF and then back ON in the normal mode. The equipment returns to its normal

operations.

• If IC chip information is not written as “used IC chip” in step 1, an error (C3D0) is displayed. If it

occurs, perform the maintenance of each part according to the Troubleshooting.

• If you press [CANCEL] in step 3, the 21 EPU Replacement Mode ends without automatic gamma

adjustment being performed.

• If [Adjustment error Press [OK] to perform the adjustment again or [CANCEL] to finish it.] is

displayed in step 4, this means that the automatic gamma adjustment has failed. Check that the

original is placed on the original glass in the correct direction, and press [OK] to start the

adjustment again. If you press [CANCEL], the adjustment is cancelled and the 21 EPU

Replacement Mode ends.

• If automatic gamma adjustment is not performed in the 21 EPU Replacement Mode, the default

gamma slope angle is used. To obtain optimal image quality, perform the adjustment according to

the procedure in the “Automatic gamma adjustment” in the chapter of “Image Quality

Adjustment”.

• If the 21 EPU Replacement Mode does not function, check that the value of FS-08-4556

(Detection setting of new or old EPU) is set to “1: Enabled”. If this value is set to “0: Disabled”,

the EPU replacement mode does not function.

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