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January 2000 © TOSHIBA TEC 1 - 49 FC-22 ADJUSTMENT
<Troubleshooting in auto-toner sensor adjustment> (measures against adjustment error)
Check which color is in adjustment error.
Ꭹ
Is the developer unit filled with developer material? (Is the developer cartridge empty?)
NO
ৎ (1) Check if the shutter seal is removed from the developer cartridge.
(2) Check the toner motor performance, using the following test mode.
Y: 03-110 ON, 03-160 OFF
M: 03-111 ON, 03-161 OFF
C: 03-112 ON, 03-162 OFF
YES K: 03-113 ON, 03-163 OFF
(3) Check if the developer cartridge gears rotate properly.
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As for the colors completely adjusted, press [INTERRUPT] to store their adjustment results in memory.
Perform again the adjustment procedure to the color in adjustment error.
05-200: All developers 05-201: Developer Y
05-202: Developer M 05-203: Developer C
05-204: Developer K 05-221: Color developers
Ꭹ
Is the adjustment completed?
NO
ৎ (1) Check if the developer unit is filled with developer material.
(2)
Check if any toner or carrier is stuck on the transfer belt or the drum surface at the base of EPU.
NO
ৎ • Check the high-voltage contacts.
• Main charger wire
• Main charger grid
• Developer bias
Ꭹ
YES Replace disabled parts.
YES Replace EPU.
Ꭹ
Perform the adjustment procedure again.
Ꭹ
Press [INTERRUPT] to store the adjustment results in memory.