Gp 3.2 Control Patch Md - Xerox DocuPrint C55 Service Manual

GP 3.2 CONTROL PATCH MD

PURPOSE
NOTE: This adjustment only applies to IOT
Firmware version 75 and above.
C55/C55mp ESS Firmware version 3.5.2 and up
and NC60 firmware includes this adjustment in
the Service menu.
Refer to GP 3.2A for firmware version 75.
Refer to GP 3.2B for the (C55/C55mp) ESS
version 3.5.2 and above adjustment.
Refer to GP 3.2C for the [NC60] adjustment.
The purpose of this adjustment is to switch the
density patch toner check on and off. When this
feature is on, the density is checked using
development patches before
condition is declared.
This setting should normally be left OFF if can
cause EA Fault codes.
PROCEDURE
3.2A (C55/C55mp) IOT FIRMWARE
VERSION 75
1. Enter Normal Diagnostics (Press Menu &
Enter, Power ON),
2. If the message display indicates,
PCU DIAG MODE 75
or higher, continue with the adjustment. If
the display indicates any version lower than
75, exit from diagnostics, do not perform the
adjustment.
3. With PCU DIAG MODE 75 displayed, press
On Line then Enter. Release both keys at
the same time.
DocuPrint C55/C55mp/[NC60]
4. The message display will indicate,
PCU DIAG SPECIAL
5. With PCU DIAG SPECIAL displayed, press
Medial Server then Previous. Release both
keys at the same time.
6. The message display will indicate,
DIAG BACK GROUND
7. Press Menu to scroll to:
CONTROL K DVBIAS
a low toner
8. Use Next/Previous to scroll to:
CONTROL PATCH MD
9. Press Enter. The display will indicate:
OFF/ON
10. Use Next/Previous to change the setting to
ON or OFF.
11. To store the change actuate and hold the
Bypass switch, (insert a piece of paper in the
bypass slot) then press the Form Feed key.
The ON Line LED will switch on and then off
when the change is stored.
12. Exit from diagnostics by switching the printer
off. Wait 10 seconds, then switch the printer
on.
GP 3.2B CONTROL PATCH (C55/C55mp)
ADJUSTMENT USING SERVICE MENU
(ESS FIRMWARE V3.5.2 AND UP)
1. Press On Line to enter the Off Line mode,
2. Press Next until SERVICE is displayed, then
3. Press
4. Press Next until PATCH CONTROL is
5. Switch the PATCH CONTROL ON or OFF.
GP 3.2C CONTROL PATCH [NC60]
ADJUSTMENT USING SERVICE MENU
1. Press Menu Up until Service is displayed.
2. Press Item Down until patch Control is
3. Press Value Up until the Patch control is ON
2/99
6-45
then press Menu.
press Enter.
Next until ADJUSTMENTS
displayed, then press Enter.
displayed, then press Enter.
displayed.
or OFF, then press Enter.
REPAIRS/ADJUSTMENTS
is
GP 3.2