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Confidential
1.3 Service Mode
The service mode is exclusively designed for the purpose of checks, settings and
adjustments, and this function should be accessed by service personnel only. You can
perform a print test and display the log information.
<Procedure>
(1) Check that the front cover is open.
(2) Turn ON the power switch while holding down the SW supporter. Check that Toner/
Drum/Error LEDs are lighted.
(3) Release the SW supporter and check that all LEDs are off.
(4) See accompanying table, press the SW supporter once, twice or for 2 seconds. (long
push), and then shift to each mode.
Press the SW supporter once
Press the SW supporter again depending on the necessary number of times after check
that Toner/Drum/Error LEDs are lighted.
Press the SW supporter Mode
Once 9) Factory Inspection Mode
Twice 10) Continuous Grid Pattern Print Mode
Three times 11) Fixing Unit Test Print
Four times 12) NV-RAM Value Dump Mode
Five times 13) RAM Check
Six times 14) QA Test print
Seven times 15) Paper Size Setting (A4/Letter)
More than Eight times Go back to Normal State