Toshiba e-STUDIO6520C Service Handbook page 203

Notes:
• When performing "Automatic gamma adjustment" in addition, "Automatic initialization of
image quality control (05-396)" should be done.
An adjustment error may occur when you perform "Automatic initialization of image quality
control (05-396)".
See "[4] Image quality control initialization (05-396) / check the controlling status" in
Service Manual "25.4.1 Drum surface potential sensor control related troubleshooting" to
clear the error.
• If "Readjust from IQC-Adjustment" is displayed, perform "Automatic initialization of image
quality control (05-396)".
Code Item to be adjusted
396 Automatic
initialization of image
quality control
© 2008-2011 TOSHIBA TEC CORPORATION All rights reserved
<Procedure>
(A) While pressing [0] and [5] simultaneously, turn the power ON.
→ Adjustment ModeP
(B) Key in [396] and press the [START] button.
(C) "WAIT" is displayed.
(D) When the adjustment finishes normally, the equipment will return to initial
state of the Adjustment Mode.
When an error occurs
<When "Waste toner box replacement" is displayed>
1. Replace the waste toner box with a new one and close the waste toner box
cover.
2. Press and hold the [ON/OFF] button for a few seconds to shut down the
equipment.
3. Turn the power ON.
4. Release the waste toner box full status by the warming-up operation.
5. Check that "Ready" is displayed.
6. Press and hold the [ON/OFF] button for a few seconds to shut down the
equipment.
7. Perform steps (A) to (D) in <Procedure>.
<When "ERROR" is displayed>>
(1)"ERROR" which occurs when toner is supplied
1. Press the [CANCEL] button to return to the original state in the adjustment
mode in order to check the toner low status.
2. Press and hold the [ON/OFF] button for a few seconds to shut down the
equipment.
3. Turn the power ON.
4. Check that the toner is being added properly in the warming-up status.
When a message prompts you to replace the toner cartridge, open the
front cover and replace the cartridge with a new one so that toner-empty
status will be released.
5. Check that "Ready" is displayed.
6. Press and hold the [ON/OFF] button for a few seconds to shut down the
equipment.
7. Perform steps (A) to (D) in <Procedure>.
(2)"ERROR" which occurs in the surface potential sensor control
1. Specify the colors (Y,M,C,K) corresponding to 1 or 2 from the numbers
displayed in "ERROR".
2. Press the [CANCEL] button to return to the initial state of the Adjustment
mode.
3. Press and hold the [ON/OFF] button for a few seconds to shut down the
equipment.
4. Clear the error following the procedure on
Drum surface potential sensor control related troubleshooting" or
"
Service Manual 25.4.3 Drum surface potential sensor control related
troubleshooting when setting up the equipment at unpacking".
5. Perform steps (A) to (D) in <Procedure>.
<Other abnormalities>
Take the appropriate action described in Troubleshooting.
P.6-1 "6. ERROR CODE and TROUBLESHOOTING"
3 - 5
Contents
Service Manual "25.4.1
e-STUDIO5520C/6520C/6530C
3
ADJUSTMENT