Xerox WorkCentre 5790 Series Service Manual page 294

Figure 2 Circuit diagram
Status Indicator RAPs
09-341, 09-342, 09-350
09-350 Erase Lamp Failure RAP
09-350 The photoreceptor erase lamp has failed.
Procedure
Ensure that the electricity to the machine is switched off while performing tasks that do
not need electricity. Refer to GP
death or injury. Moving parts can cause injury.
NOTE: The xerographic module must be in the machine for the lamp to illuminate.
Do not illuminate the erase lamp for an extended length of time as this may cause damage to
the xerographic drum.
NOTE: The door interlock switch must be cheated when checking +24V components.
Cheat the door interlock switch. Enter
start. Figure 1. Observe the erase lamp. All the LEDs of the erase lamp are lit.
Y N
Some of the LEDs of the erase lamp are lit.
Y N
Go to Flag 1. +24V is available at
Y N
Install a new LVPS and base module,
Go to Flag 2. +24V is available at
Y N
Go to Flag 1. Check the inline fuse. The fuse is good.
Y N
Install a new fuse,
If the fuse blows again, perform the
Go to:
• Go to 01G +24V Distribution RAP.
• 01B 0V Distribution RAP.
Go to Flag 3. +13V is available at
Y N
NOTE: To gain access to the erase lamp wiring, remove the main drive module,
(35-55 ppm) PL 4.15 Item
Check the wiring,
good.
Y N
Repair the wiring.
Perform the steps that follow:
• Check that the connector PJ41 is located correctly in the IOT frame,
ure 1.
• Install a new erase lamp, (35 ppm)
Item 1.
Perform OF7 IOT PWB Diagnostics RAP before a new IOT PWB is installed,
1.10 Item 2.
A B
May 2013
2-262
WARNING
14. Disconnect the power cord. Electricity can cause
CAUTION
dC330 code 09-022, photoreceptor erase lamp. Press
P/J17 pin 1 on the LVPS.
PL 1.10 Item 3.
P/J41 pin 1.
GP 7, PL 1.10 Item 9.
01G +24V Disribution RAP.
P/J5 pin 14.
1, (65-90 ppm) PL 4.10 Item 1.
GP 7, from the in-line fuse to P/J41, pin 2. The wiring is
PL 9.22 Item 1, (40-90 ppm)
Xerox® WorkCentre® 5790 Family
Fig-
PL 9.20
PL