Toshiba e-Studio 2551c
Adjustment. 3 Performing Image Quality Control
- When unpacking Prior to image dimensional adjustment, perform the “Forced performing of image quality closedloop control (05-2742)” procedure.
- When any of the following parts is replaced, be sure to perform the “Forced performing of image quality closed-loop control (05-2742)” procedure.
• Photoconductive drum
• Developer material
• LED head
• LED gap spacer
• Transfer belt
• 1st transfer roller
• Drum cleaning blade
• Needle electrode
• Main charger grid
• Image position aligning sensor (Front)
• Image position aligning sensor (Rear)/Image quality sensor
Notes:
When performing “Automatic gamma adjustment” in addition, “Forced performing of image quality closed-loop control (05-2742)” should be done first. - When performing “Automatic gamma adjustment” in cases no parts written above are replaced, do the “Forced performing of image quality closed-loop control (05-2742)” procedure before “Automatic gamma adjustment”.
Code: 2742
Item to be adjusted
Forced performing of image quality closedloop control
Contents
- While pressing [0] and [5] simultaneously, turn the power ON. → Adjustment Mode
- Key in [2742] and press the [START] button.
- “WAIT” is displayed.
- When the adjustment finishes normally, the equipment returns to the initial state of Adjustment Mode.
When an error occurs
<When "Waste toner box replacement" is displayed>
- Replace the waste toner box with a new one and close the front cover.
- Key in [4833] (Recovery from toner empty/waste toner full).
- Check that “WAIT” is displayed.
<When toner empty is displayed>
- Replace the empty toner cartridge with a new one and close the front cover.
- Key in [4833] (Recovery from toner empty/waste toner full).
- Check that “WAIT” is displayed.