Q2431-90912 Chapter 7 Troubleshooting 301
Jams in tray 1
Jams in tray 2
Table 44. Causes of tray 1 jams
Cause Solution
The pickup roller is dirty, worn, or damaged. Clean the pickup roller. If it is dirty after cleaning, or
if it is worn or damaged, replace the pickup roller.
The separation pad is dirty, worn, or damaged. Clean the separation pad. If it is dirty after cleaning,
or if it is worn or damaged, replace the separation
pad.
The drive gears are damaged. Check the drive gears in the tray 1 pickup assembly.
Replace the pickup assembly if the gears are
damaged.
The tray 1 pickup solenoid (SL102) is defective. 1. Disconnect the connector for the tray 1 pickup
solenoid from the DC controller PCA
(location J79).
2. Measure the resistance between the cable
connectors.
3. If the measured resistance is not approximately
160 ohms, replace the tray 1 pickup solenoid.
The tray 1 pickup assembly is defective. Replace the tray 1 paper-pickup assembly. See
“Tray 1 paper-pickup assembly” on page 192.
The DC controller PCA is defective. Replace the DC controller PCA. See
“DC controller PCA” on page 181.
Table 45. Causes of tray 2 jams
Cause Solution
The feed or separation rollers are dirty, worn, or
damaged.
Clean the rollers. If they are dirty after cleaning, or if
they are worn or damaged, replace the rollers.
The pickup roller is worn or damaged. Replace the pickup roller.
The tray 2 paper pickup assembly drive gears are
damaged or the assembly is defective.
Check the drive gears in the paper pickup drive
assembly. Replace the pickup drive assembly if the
gears are damaged. See “Paper-pickup assembly,”
on page 183.
The tray 2 pickup solenoid (SL101) is damaged. 1. Disconnect the connector for the tray pickup
solenoid from the DC controller PCA
(location J92).
2. Measure the resistance between the cable
connectors.
3. If the measured resistance is not approximately
160 ohms, replace the tray 2 pickup solenoid.
The tray 2 lifter-drive assembly or the stack position
sensor (PS107) is defective.
Replace the lifter-drive assembly. See “Tray 2 lifter-
drive assembly” on page 179 and/or “Printer
switches and sensors” on page 336
The DC controller PCA is defective. Replace the DC controller PCA. See
“DC controller PCA” on page 181.
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