Special Diagnostics; Entering The Special Diagnostic Mode; Exiting From The Special Diagnostic Mode; Counter Set2 - Xerox DocuPrint C55 Service Manual

SPECIAL DIAGNOSTICS

The Special mode is used to:
• Change the Counter Set2 values
• Change the Toner Concentration
values
• Change the Print Density values
• Change the Power Saver values
• Test the Operation of the Control
Panel keys.
ENTERING THE SPECIAL DIAGNOSTIC
MODE:
1. First, enter the Normal Diagnostic mode.
2. While PCU DIAG MODE XX is displayed,
press On Line [0] then press Enter [7].
Release both keys at the same time.
3. The Message Display will indicate:
PCU DIAG SPECIAL
4. Press the Menu [3] key to step through
the diagnostic routines.
EXITING FROM THE SPECIAL DIAGNOSTIC
MODE:
1. When PCU DIAG SPECIAL is displayed
on the Message Display, press the Form
Feed [1] key to exit from Special
diagnostics.
2. Press Form Feed [1] again to exit from
Normal diagnostics.
3. Or, switch the printer off wait 10 seconds
and then switch the printer on.
GENERAL PROCEDURES
SPECIAL DIAGNOSTICS

COUNTER SET2

This Diagnostic routine is used to preset the
Set2 counters to a desired value.
1. Enter Special diagnostics and press the
Menu [3] key until COUNTER SET2 TTL
is displayed on the Message Display.
2. Press the Next [6]/Previous [5] keys until
the Message Display steps to the counter
to be changed (Table 3).
3. Press the Enter [7] key the display will
indicate:
XXXX ########
XXXX is the counter name.
######## is the current counter value.
4. Press the Menu [3] key to select the digit
to be changed.
5. Press the Next [6]/Previous [5] keys to
change the counter value.
6. To store the counter change insert a sheet
of paper into the bypass slot to actuate the
Bypass Switch, then press the Form Feed
[1] key. The On Line LED will switch on
and then off when the change is stored.
7. Press the Media Server [2] key to return
the COUNTER SET2 list. Repeat steps 2
through 6 to change additional counters.
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6-8

TONER LEVEL

This Diagnostic routine is used to set the toner
concentration setpoints in the
assembly.
1. Enter Special diagnostics and press the
Menu [3] key until TONER LEVEL YTON
is displayed on the Message Display.
2. Press the Next [6]/Previous [5] keys until
the Message Display steps to the color to
be changed (Table 4).
3. Press the Enter [7] key the display will
indicate:
XXXX ###
XXXX is the color.
### is the current toner concentration
setpoint.
4. Press the Next [6]/Previous [5] keys to
change the setpoint.
5. To store the change insert a sheet of paper
into the bypass slot to actuate the Bypass
Switch, then press the Form Feed [1] key.
The On Line LED will switch on and then
off when the change is stored.
6. Press the Media Server [2] key to return
the TONER LEVEL list. Repeat steps 2
through 5 to change other setpoints.
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