Error Code 29 - No Waste Toner Box; Error Code 2A - Toner Low; Error Code 2D - Toner Empty - Printronix L5535 Maintenance Manual

Chapter 4
Status Messages And Error Messages
a. Press CLEAR.
b. Unlock the configuration menu.
c. Enter the configuration menu and select the Paper Control menu.
d. Select the "Reset Toner Full" option and press ENTER.
e. Exit the configuration menu.
f.
Error Code 29 — No Waste Toner Box
1. Ensure that the waste toner bottle (waste toner box) is properly installed.
2. Check the waste toner bottle sensor (WTBS).
a. Remove the harness connector from MC board connector CN20.
b. Measure the resistance between pins 1 and 2 on the harness side of
3. Check the MC board.
a. Reconnect the harness connector to MC board connector CN20.
b. Put the positive lead of the digital multimeter on pin 1 of CN20 on the
c. Measure the voltage, which should be about 0V. However, if the
Error Code 2A — Toner Low
Error Code 2D — Toner Empty
1. Ensure that there is enough toner in the developing unit.
I–154
Press ONLINE.
WASTE TONER BOTTLE
CHECKLIST:
WASTE TONER BOTTLE SENSOR (WTBS)
MC BOARD
connector CN20 with the digital multimeter. Resistance should be
Ω
about 0 . If it is not, replace the WTBS sensor.
MC board, and the negative lead on the SG.
waste toner bottle error still occurs with the correct voltage
measurement, replace the MC board.
If voltage is not normal, replace the MC board.
DEVELOPING UNIT
CHECKLIST:
MC BOARD
TONER EMPTY SENSOR CIRCUIT