HP LaserJet Enterprise 500 Maintenance Manual - Page 37

Clear Paper Jam

Page 37 highlights

List of Messages Message CLEAR PAPER JAM (continued) CLEARING PROGRAM FROM FLASH Table 2. Message List Explanation Status message: emulation software successfully loaded into printer RAM and the checksum matched. The old program is now being deleted from flash memory. Solution 8. Bottom out the platen open motor pulley on the motor shaft and torque the 1/16 inch set screw to 9 ± 2 inchpounds (1.02 ± 0.23 N•m). Tighten the 7/64 inch setscrew in the platen shaft pulley, then open and close the forms thickness lever and check that the platen pulley setscrew does not hit the left ribbon guide. 9. Inspect the tractors and tractor door springs for damage or excessive wear. If either tractor is worn or damaged, replace both tractor assemblies. 10. Check the condition and tension of the paper feed belt. Adjust the paper feed belt. Replace the belt if it is damaged. 11. Check and adjust the platen gap. 12. Clean the paper motion detector with a cotton swab and alcohol. At the control panel, set the paper motion detector (PMD) fault setting to DISABLE. Load paper. Run a print test and observe how the paper feeds. If the message appears, replace the CMX controller board. Record the message and return it with defective CMX board. If the message does not appear, replace the paper detector switch assembly and set the paper motion detector (PMD) to ENABLE. No action required. 37

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List of Messages
37
CLEAR PAPER JAM
(continued)
8.
Bottom out the platen open motor
pulley on the motor shaft and torque
the 1/16 inch set screw to 9
±
2 inch-
pounds (1.02
±
0.23 N•m). Tighten
the 7/64 inch setscrew in the platen
shaft pulley, then open and close the
forms thickness lever and check that
the platen pulley setscrew does not
hit the left ribbon guide.
9.
Inspect the tractors and tractor door
springs for damage or excessive
wear. If either tractor is worn or
damaged, replace both tractor
assemblies.
10.
Check the condition and tension of
the paper feed belt. Adjust the paper
feed belt. Replace the belt if it is
damaged.
11.
Check and adjust the platen gap.
12.
Clean the paper motion detector with
a cotton swab and alcohol. At the
control panel, set the paper motion
detector (PMD) fault setting to
DISABLE. Load paper. Run a print
test and observe how the paper
feeds. If the message appears,
replace the CMX controller board.
Record the message and return it
with defective CMX board. If the
message does not appear, replace
the paper detector switch assembly
and set the paper motion detector
(PMD) to ENABLE.
CLEARING PROGRAM
FROM FLASH
Status message: emulation
software successfully loaded
into printer RAM and the
checksum matched. The old
program is now being deleted
from flash memory.
No action required.
Table 2. Message List
Message
Explanation
Solution