Gestetner B147 Service Manual page 204

PROCESS CONTROL ERROR CONDITIONS
No. Result
Toner supply
error
8
Failure
9
NOTE: After you set "Enable" in SP5-999-005, 006, 007, or 008, the machine
starts developer initialization. If an error other than Error 8 occurs,
developer initialization is automatically resumed by opening and closing the
front door or turning the main switch off and on.
B147/B149/B190
Description
During toner fill-up 1. Check if the toner cartridge is properly set.
mode, Vt does not
2. Check if the amount of toner left in the toner cartridge
reach the target
value.
3. Check if toner is coagulated. (If yes, shake the toner
4. Check if the connectors of the following parts are
5. Check if the toner supply tube is bent, caught, or
Vt cannot be 1. Shielding tape is not
adjusted within 3.0
± 0.1V.
2. Development unit is
SC370 - 373 will
be displayed.
Turning the main
switch off and on
clears this SC
code.
3. TD sensor defective. 3. Replace the development
Possible Causes
is insufficient.
cartridge well.)
properly set, and/or replace the parts.
Toner attraction pump / Air Pump / Valves
damaged.
removed.
not firmly installed,
causing poor
connection of the TD
sensor connector.
4-2
Action
1. Remove the shielding tape
to supply developer to the
unit.
2. Reinstall the development
unit.
unit.
SM