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5-2
Confidential
1.1 List of service support functions
Front
cover
Press the [Go] button
or SW supporter when
sifting the mode
Press the [Go] button
or SW supporter when
selecting the function
Function
Refer
to:
Close Once Once 1) Test Sample Page 5-4
Twice 2) Print Fonts 5-4
Three times 3) USB 2.0 FULL Serial
Number Return Value
Setting
5-4
Four times 4) Hex Dump Mode 5-4
Five times 5) PCB ONLY Mode 5-4
Six times 6) 1push Printing Recovery
Mode
5-4
Seven times 7) Network Reset 1 (APIPA:
ON)
5-4
Eight times 8) NV-RAM Factory Reset 5-4
More than nine
times
1) Test Sample Page
5-4
Open Once Once 9) Factory Inspection Mode 5-7
Twice 10) Continuous Grid Pattern
Print Mode
5-8
Three times 11) Fixing Unit Test Print 5-8
Four times 12) NV-RAM Value Dump Mode 5-8
Five times 13) RAM Check 5-8
Six times 14) QA Test print 5-8
Seven times 15) Paper Size Setting (A4/
Letter)
5-9
Twice Once 16) Printing for Maintenance 5-9
Twice 17) Printer Settings 5-11
Three times 18) Sleep Mode Indication
(OFF/Dimmed)
5-15
Four times 19) Sleep Mode Setting (ON/
OFF)
5-15
Five times 20) Developer Roller Counter
Reset1 (For the starter
toner cartridge)
5-15
Six times 21) Developer Roller Counter
Reset2 (For the standard
toner cartridge)
5-15
Seven times 22) Developer Roller Counter
Reset3 (For the high-
capacity toner cartridge)
5-15
More than 2 seconds (long push) PIT 3 Inspection Mode 5-6