Rep 3.2 Cassette Pwb; Rep 3.3 Pcu Pwb; Rep 3.4 Ess Pwb - Xerox DocuPrint C55 Service Manual

REP 3.2 CASSETTE PWB

PARTS LIST ON PL 3.1
REMOVAL
WARNING
Switch the Main Power off and disconnect the
Power Cord.
1. Remove the Low Voltage Power Supply
(REP 3.1).
2. (Figure 1): Remove screws and remove
cassette PWB.
Cassette PWB
Figure 1. Removing the Cassette PWB
DocuPrint C55/C55mp/[NC60]

REP 3.3 PCU PWB

PARTS LIST ON PL 4.2
NOTE: Before removing the PCU PWB you must
obtain some of the old NVM values.
values will then be entered in the new PWB
NVM.
Refer to ADJ. 3.3A, and perform the following:
DETERMINING THE CONSUMABLE USAGE
AND TONER CONCENTRATION
steps 1 through 6.
NOTE: If these steps cannot be performed
because of a PCU PWB problem, use the values
from the Diagnostic Test Pattern.
REMOVAL
WARNING
Switch the Main Power off and disconnect the
Power Cord.
1. Remove the PCU PWB Cover.
2. Disconnect all of the Connectors.
3. Remove 4 screws and remove the PCU
PWB.
REPLACEMENT
1. Install the new PWB.
2. Reconnect the Connectors.
3. Refer to ADJ. 3.3B, and perform the
following:
D6
INITIALIZING THE NVM
steps 1 through 7.
4. Reinstall the PCU PWB Cover.
2/99
4-7

REP 3.4 ESS PWB

PARTS LIST ON PL 3.1
NOTE: If the ESS PWB is being replace with one
These from another printer rather than a new PWB, the
serial number from the other printer may still be
stored in the ESS memory. If this is the case,
refer to the replacement notes in this procedure.
REMOVAL
VALUES,
WARNING
Switch the Main Power off and disconnect the
Power Cord.
1. Disconnect all of the Connectors.
2. Loosen the two thumb screws.
3. Remove the ESS PWB.
4. Remove any customer RAM and reinstall in
the new PWB.
REPLACEMENT
1. Install the new PWB.
2. Notify the customer so that they can setup
the network values.
NOTE 1: If the customer is using CentreWare
have the customer write their printer serial
number over any existing serial number.
NOTE 2: If this printer is connected as a parallel
printer you cannot enter the serial number, use
GP 3.5 to perform a factory reset. This will erase
any existing serial number.
REPAIRS/ADJUSTMENTS
REP 3.2, 3.3, 3.4